Bolthole Index

Judith Basin County, Montana

Building permits, zoning and land rules in Judith Basin County, Montana

71Index Score / 100
#12 of 56 in Montana

An ordinary home on unincorporated land in Judith Basin County, Montana does not need a county building permit: the county has no local building-code program, and private homes with 4 or fewer units are exempt from Montana's state permit unless they serve transient guests12. Montana's statewide building codes still apply, and Central Montana Environmental Health requires a septic permit and inspection3456.

At a glance

Building permit
Not required for an ordinary home in unincorporated Judith Basin County712
Zoning
No county zoning code or ordinance in unincorporated Judith Basin County89
Septic permit
Required through Central Montana Environmental Health before installation begins10116
RV living
Private-land occupancy is unconfirmed; regulated campgrounds and RV parks follow state establishment rules1213
Tiny home
No county zoning rule restricts placement or occupancy in unincorporated areas14
Owner-builder
An owner may work on the property; a homeowner doing personal-residence plumbing personally may be exempt from the plumbing permit1516
Well water
A qualifying small groundwater development may use the state permit exception after advance notice17

Who to call

Septic permits

Central MT Environmental Health

Septic-system permits and inspections, subdivision review and water-quality programs

P.O. BOX 427, STANFORD, MT 59479

Also useful

Judith Basin County

General county contact for parcel-specific land-use questions that do not have a listed department

(406) 566-2277

91 3rd Street North, Stanford, MT 59479

Contact details are copied from each office’s official page and were checked against it on October 7, 2026.

Off-grid gear

Going off-grid in Judith Basin County means bringing your own water and power. The kit we’d start with:

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Do you need a building permit in Judith Basin County, Montana?

An ordinary single-family home in unincorporated Judith Basin County does not need a county building permit. Judith Basin County has not adopted a local building-code program, while Montana exempts private homes and apartments with 4 or fewer units from the state building permit unless they serve transient guests12. Farm and ranch buildings and private, noncommercial garages and storage buildings are also exempt from the state building permit, but the farm or ranch exemption does not remove separate septic, floodplain, electrical, plumbing or mechanical requirements182.

Montana's adopted building codes still apply in Judith Basin County outside a certified local program, subject to the listed exemptions3. Projects outside those exemptions remain in the State Building Codes Program: covered construction, additions, alterations and repairs need a state permit, and the permit holder must call for required inspections and provide access1920. A commercial building, short-term lodging use or larger residential project therefore needs a different answer than a typical rural house.

Who handles building permits in Judith Basin County, and how do you reach them?

Judith Basin County has no locally adopted building-code program, so there is no county building department issuing permits for an ordinary home on unincorporated land17. The general county contact is at 91 3rd Street North, Stanford, MT 59479, and the main number is (406) 566-227721. Ask that office about a parcel-specific use that is not answered by the county's published rules, especially RV or tiny-home occupancy.

For a project within state building-permit jurisdiction, use the Montana Building Codes Program. A covered application requires plans and the state's Building Permit/Plan Review Application; complete plans have an average review time of 2 to 3 weeks, and construction ordinarily cannot begin before issuance22. State building-permit charges vary by project, with a plan-review charge equal to 35 percent of the building-permit fee23. An owner may work on the owner's property under Montana's contractor-licensing exemption15. A homeowner who personally installs plumbing in a personal-use residence that is not intended for resale or rental is exempt from the plumbing permit, but the work must meet code and be inspected before it is covered16.

Does Judith Basin County have zoning?

Unincorporated Judith Basin County has no county zoning code or ordinance, and the same official planning table reports no zoning code for Hobson or Stanford89. In unincorporated areas, the county therefore sets no zoning minimum for dwelling size or lot size and no county zoning setback; septic, subdivision, floodplain, access and incorporated-town rules may still apply142425.

Land divisions remain regulated under Montana subdivision law unless a statutory exemption applies26. Central Montana Environmental Health participates in water and sanitation review, including wells, wastewater, drainage, soils, groundwater and water quality27. For a proposed subdivision with a boundary within 500 feet of a qualifying public water or wastewater component, connection is required unless the Department grants a waiver28. A lease or rental division for farming or agricultural purposes may avoid subdivision requirements only when it is not structured to evade subdivision law29.

How do septic permits work in Judith Basin County?

Central Montana Environmental Health administers septic permits and inspections for Judith Basin County under programs regulated by Montana DEQ3031. Submit the application and applicable fee first; installation cannot begin until the sanitarian issues a permit to construct5. A final inspection is required before burial, and the installer's report is due within 10 days after that inspection; the permit holder must give at least 24 hours' notice before a required inspection6. A disposal system that discharges to state waters, including groundwater, may also need a site-specific Montana Ground Water Pollution Control System permit from DEQ32.

Only 2.8 percent of mapped soils avoid a “very limited” rating for conventional septic drain fields, so a site evaluation belongs in pre-purchase due diligence33. On subdivision parcels subject to Montana's sewage-system rules, new pit privies are prohibited; sealed pit privies are limited to government facilities or uses authorized by the Department of Public Health and Human Services3435. A waste-segregation system may use dry toilet-waste treatment with separately permitted subsurface gray-water disposal36.

Can you live in an RV or tiny home on your land in Judith Basin County?

Unincorporated Judith Basin County has no county zoning minimum for dwelling size, but septic, subdivision, building-code, floodplain and incorporated-town rules can still affect a tiny home14. We could not confirm whether an RV may be occupied long-term on private land, so call Judith Basin County at (406) 566-2277 with the parcel location and proposed use before moving one onto the land21.

Central Montana Environmental Health licenses and inspects organized trailer courts and RV parks, but those rules do not answer whether an individual RV may serve as a residence on private land outside such a facility12. The health district likewise regulates organized campgrounds, youth camps and work camps without establishing a rule for an individual's temporary private-land camping13. A short-term rental is a public accommodation subject to state lodging and tax requirements, with plans reviewed by county sanitarians3738.

Building a home in Judith Basin County: the steps, in order

  1. Call Judith Basin County with the parcel and proposed use, especially if the plan includes an RV or unusual occupancy21.
  2. Ask Central Montana Environmental Health for the septic site-review and permit steps before finalizing the house location; installation must wait for the permit to construct305.
  3. Plan the water supply. A groundwater development of 35 gallons per minute or less and no more than 10 acre-feet per year may qualify for Montana's permit exception, but a Notice of Intent is required before putting the water to use17.
  4. Check whether the building site is in a designated Special Flood Hazard Area; covered development there requires a floodplain permit from the local administrator39.
  5. If access meets a state highway, obtain an approach permit or right-of-way agreement for a new or modified approach40.
  6. Confirm that the project fits the residential state-permit exemption; covered projects go through state plan review and inspections1920.

What should you check before buying land in Judith Basin County?

Start with wastewater, water, flood exposure and legal access. Only 2.8 percent of mapped soils avoid a “very limited” conventional-drain-field rating, so make the septic site evaluation part of due diligence33. For a well, confirm both expected yield and the water-right path; the small-groundwater exception is capped at 35 gallons per minute and 10 acre-feet per year and requires advance notice to DNRC17.

Check whether streams or low ground trigger a designated Special Flood Hazard Area permit, and determine whether the driveway meets a county road or state highway; every new or modified state-highway approach requires an approach permit or right-of-way agreement3940. Confirm the tract's subdivision and sanitation history with Central Montana Environmental Health4130. An agricultural lease or rental division has a conditional state subdivision exemption, not a blanket exemption from sanitation or other rules42. Budget carrying costs too: the effective property-tax rate is about 0.5 percent and the median annual property-tax bill is $9714344.

Watch-outs

  • No private-land rule confirming long-term RV occupancy or temporary camping was found; ask Judith Basin County about the parcel and proposed use21.
  • A septic permit is required, and the final inspection must happen before the system is buried56.
  • The county has no locally adopted building-code program, but Montana's statewide codes and state permits still cover projects outside the residential and other listed exemptions1319.

Sources

  1. Multi-Jurisdictional Hazard Mitigation Plan — Annex I: Judith Basin County, quoted and re-checked
  2. Certified City, County and Town Programs, quoted and re-checked
  3. Current Codes, quoted and re-checked
  4. Central Montana Environmental Health, quoted and re-checked
  5. Outline of Septic System Permitting Process, quoted and re-checked
  6. Outline of Septic System Permitting Process, quoted and re-checked
  7. Montana DLI - Building Permits (2026 county census)
  8. Multi-Jurisdictional Hazard Mitigation Plan — Annex I: Judith Basin County, quoted and re-checked
  9. Central Montana Central Region Hazard Mitigation Plan, Annex I: Judith Basin County (2023–2028), quoted and re-checked
  10. Central MT Environmental Health – Judith Basin County, Montana, quoted and re-checked
  11. Outline of Septic System Permitting Process, quoted and re-checked
  12. Central MT Environmental Health – Judith Basin County, Montana, quoted and re-checked
  13. Central MT Environmental Health – Judith Basin County, Montana, quoted and re-checked
  14. Central Montana Central Region Hazard Mitigation Plan, Annex I: Judith Basin County, quoted and re-checked
  15. Montana Code Annotated, Title 37, Chapter 45, Construction Contractors (Montana statewide rule), quoted and re-checked
  16. Plumbing Permits, quoted and re-checked
  17. Exceptions To Permit Requirements, quoted and re-checked
  18. Building Permits, quoted and re-checked
  19. Building Permits, quoted and re-checked
  20. Building Permits, quoted and re-checked
  21. Judith Basin County (jbcountymt.gov)
  22. Is a State Building Permit Needed?, quoted and re-checked
  23. bsd.dli.mt.gov, quoted and re-checked
  24. Central Montana Central Region Hazard Mitigation Plan, Annex I: Judith Basin County, quoted and re-checked
  25. Central Montana Central Region Hazard Mitigation Plan, Annex I: Judith Basin County, quoted and re-checked
  26. 76-3-201. Exemption for certain divisions of land -- fees for examination of division, quoted and re-checked
  27. Central Montana Environmental Health, quoted and re-checked
  28. ARM 17.36 Subchapter 3 — Subdivision Requirements, quoted and re-checked
  29. 76-3-201. Exemption for certain divisions of land -- fees for examination of division, quoted and re-checked
  30. Central MT Environmental Health (jbcountymt.gov)
  31. Central MT Environmental Health – Judith Basin County, Montana, quoted and re-checked
  32. Ground Water Permitting (MGWPCS), quoted and re-checked
  33. Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
  34. ARM Title 17, Chapter 36, Subchapter 3, Subdivision Requirements, quoted and re-checked
  35. ARM Title 17, Chapter 36, Subchapter 3, Subdivision Requirements, quoted and re-checked
  36. ARM Title 17, Chapter 36, Subchapter 3, Subdivision Requirements, quoted and re-checked
  37. Public Accommodations, quoted and re-checked
  38. Public Accommodations, quoted and re-checked
  39. Stream Permitting, quoted and re-checked
  40. Approach Manual for Landowners and Developers, quoted and re-checked
  41. Subdivision Review for Lots Greater than 20 Acres, quoted and re-checked
  42. 76-3-201. Exemption for certain divisions of land, quoted and re-checked
  43. Effective property tax rate: Bolthole Index county data
  44. Median property tax bill: Bolthole Index county data

Written October 7, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.

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Compared with neighboring counties

Like 4 of its 6 neighbors, Judith Basin County requires no county building permit for a home.

RuleJudith Basin CountyMeagher CountyFergus CountyWheatland CountyCascade CountyChouteau CountyGolden Valley County
Building permitNot requiredNot requiredNot requiredNot requiredLimitedLimitedNot required
County zoningNoNot publishedNoNot publishedYesYesNot published
Septic permitsCentral Montana Health DistrictCounty SanitarianCounty Health Dept.County Env. HealthCCHDCounty SanitarianCounty Sanitarian

County locator

Judith Basin County in Montana

71
County map
Judith Basin County highlighted among the Montana counties · colored by Index score

How Judith Basin County scores

Seclusion91100% ev.
Self-Sufficiency35100% ev.
Admin Boringness8090% ev.
Durability45100% ev.
Property Autonomy83100% ev.
Carry Cost8294% ev.

Evidence strength: 98%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$301kTypical home
0.5%Property tax
$1,350Land / acre
19.4"Annual rain
10.5% of yrsSevere drought
1.4 / yr (+1.3)Mid-century 100°F days
17.3 daysMid-century dry spell
1.15" (+5.8%)Mid-century 1-day rain
1.27×Wildfire change factor
100%Forward climate coverage
state median fallbackInsurance basis
159People within 30 min
90,361People within 2 hr
1,278Radius comparison (15 mi)
1.1People / sq mi
26.1%Federal land
68.4%Land at 15% slope or less
2.8%Soils rated "not limited" for septic (strict USDA rating)
33,321 acWorkable land screen
29.7%Wooded land
28.9 tonsBiomass / forest ac
42°FAvg temp

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Cities and towns in Judith Basin County

Inside a city or town, that city usually issues building permits and sets zoning; the county’s rules above cover unincorporated land. Septic, wells and floodplain rules usually stay with the county or state everywhere.

Hobson · Town of Stanford

Answers from the rulebook for Judith Basin County

What the ordinances and state agencies actually say — one answer per question, each quoted from the official source and independently re-checked.

Judith Basin County rules

  • Building code adoptedNot adopted (with conditions)

    Local building-code adoption by Judith Basin County and the participating towns identified in the official plan.

    • The official 2023–2028 plan reports no building codes for Judith Basin County, Town of Hobson, or Town of Stanford.
    • The plan separately states that Judith Basin County should consider adopting building codes.
    • State building-code requirements may apply where no certified local-government program applies.
    “Plans and Regulations Judith Basin County Town of Hobson Town of Stanford Building Codes No No No Building Codes Year N/A N/A N/A”
  • County-wide zoningAbsent

    Countywide zoning code or ordinance in Judith Basin County.

    • The official 2023–2028 hazard mitigation plan reports no zoning code or ordinance for Judith Basin County.
    • Subdivision, septic, floodplain, building-code, and other state or local requirements may still apply.
    “Table I-17 Judith Basin County and Jurisdictions Regulatory Mitigation Capabilities [...] Plans and Regulations Judith Basin County Town of Hobson Town of Stanford [...] Zoning Code or Ordinance No No No”
  • Local zoningAbsent

    Local county zoning administered by Judith Basin County outside incorporated municipal boundaries.

    • The source's table separately lists the Town of Hobson and Town of Stanford and reports “No” for each in the zoning row.
    • This claim does not treat county subdivision controls or floodplain-related planning as zoning.
    “Stormwater Program, Plan, or Ordinance No No No Zoning Code or Ordinance No No No”
  • Zoning districts · by state lawNot published

    Unincorporated Judith Basin County: no county rule sets this, because Judith Basin County's own reviewed answer confirms it has no county-wide zoning ordinance.

    • Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
    • The official 2023–2028 hazard mitigation plan reports no zoning code or ordinance for Judith Basin County.
    • Subdivision, septic, floodplain, building-code, and other state or local requirements may still apply.
    “Table I-17 Judith Basin County and Jurisdictions Regulatory Mitigation Capabilities [...] Plans and Regulations Judith Basin County Town of Hobson Town of Stanford [...] Zoning Code or Ordinance No No No”
  • Minimum dwelling sizeNone

    Minimum dwelling size in Judith Basin County unincorporated areas, to the extent regulated only through county zoning.

    • The official state hazard-mitigation plan reports no county zoning code or ordinance.
    • Septic, subdivision, building-code, health, floodplain, and other non-zoning requirements may still apply.
    • Incorporated municipalities may have separate rules.
    “Table I-17 Judith Basin County and Jurisdictions Regulatory Mitigation Capabilities [...] Plans and Regulations Judith Basin County Town of Hobson Town of Stanford [...] Zoning Code or Ordinance No No No”
  • Minimum lot sizeNone

    County zoning minimum lot-size requirements in Judith Basin County unincorporated areas.

    • The official state hazard-mitigation plan reports no county zoning code or ordinance.
    • Subdivision review, septic requirements, and other non-zoning land-division or health requirements may still apply.
    • Incorporated municipalities may have separate rules.
    “Table I-17 Judith Basin County and Jurisdictions Regulatory Mitigation Capabilities [...] Plans and Regulations Judith Basin County Town of Hobson Town of Stanford [...] Zoning Code or Ordinance No No No”
  • SetbacksNone

    County zoning setbacks in Judith Basin County unincorporated areas.

    • The official state hazard-mitigation plan reports no county zoning code or ordinance.
    • Non-zoning setbacks, including septic-system, subdivision, floodplain, access, or other state requirements, may still apply.
    • Incorporated municipalities may have separate rules.
    “Table I-17 Judith Basin County and Jurisdictions Regulatory Mitigation Capabilities [...] Plans and Regulations Judith Basin County Town of Hobson Town of Stanford [...] Zoning Code or Ordinance No No No”
  • Lot coverage · by state lawNone

    Unincorporated Judith Basin County: no county rule sets this, because Judith Basin County's own reviewed answer confirms it has no county-wide zoning ordinance.

    • Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
    • The official 2023–2028 hazard mitigation plan reports no zoning code or ordinance for Judith Basin County.
    • Subdivision, septic, floodplain, building-code, and other state or local requirements may still apply.
    “Table I-17 Judith Basin County and Jurisdictions Regulatory Mitigation Capabilities [...] Plans and Regulations Judith Basin County Town of Hobson Town of Stanford [...] Zoning Code or Ordinance No No No”
  • Building height · by state lawNone

    Unincorporated Judith Basin County: no county rule sets this, because Judith Basin County's own reviewed answer confirms it has no county-wide zoning ordinance.

    • Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
    • The official 2023–2028 hazard mitigation plan reports no zoning code or ordinance for Judith Basin County.
    • Subdivision, septic, floodplain, building-code, and other state or local requirements may still apply.
    “Table I-17 Judith Basin County and Jurisdictions Regulatory Mitigation Capabilities [...] Plans and Regulations Judith Basin County Town of Hobson Town of Stanford [...] Zoning Code or Ordinance No No No”
  • Living in an RVLimited

    Operation and occupancy-related regulation of trailer courts and RV parks within the Central Montana Health District, including Judith Basin County.

    • Central Montana Environmental Health licenses, inspects, and enforces rules for trailer courts and RV parks.
    • The source identifies regulation of organized trailer courts and RV parks but does not establish the rule for an individual RV occupied on private land outside those facilities.
    • The programs are regulated by the Department of Public Health and Human Services (DPHHS).
    “Environmental Health (EH) oversees multiple programs that are designed to protect the health of our community. EH licenses, inspects, enforces rules, and provides education for programs regulated by the Department of Public Health and Human Services (DPHHS), such as: Food Service Establishments (Restaurants, Bars, Food Trucks, Sr. Centers, etc.) Public Accommodations (Hotels & Motels, Bed & Breakfasts, and Tourist Homes) Body Art Establishments (Tattoos, Piercings, Cosmetic Tattoos, Microblading) Trailer Courts, Campgrounds, Youth Camps, and Work Camps, RV Parks”
  • Camping on your landLimited

    Campgrounds, youth camps, and work camps within the Central Montana Health District, including Judith Basin County.

    • Central Montana Environmental Health licenses, inspects, and enforces rules for campgrounds, youth camps, and work camps.
    • The source does not establish a rule for temporary camping by an individual on private land outside a regulated campground, youth camp, or work camp.
    • The programs are regulated by the Department of Public Health and Human Services (DPHHS).
    “Environmental Health (EH) oversees multiple programs that are designed to protect the health of our community. EH licenses, inspects, enforces rules, and provides education for programs regulated by the Department of Public Health and Human Services (DPHHS), such as: Food Service Establishments (Restaurants, Bars, Food Trucks, Sr. Centers, etc.) Public Accommodations (Hotels & Motels, Bed & Breakfasts, and Tourist Homes) Body Art Establishments (Tattoos, Piercings, Cosmetic Tattoos, Microblading) Trailer Courts, Campgrounds, Youth Camps, and Work Camps, RV Parks”
  • Tiny homes · by state lawUnrestricted

    Unincorporated Judith Basin County: no county rule sets this, because Judith Basin County's own reviewed answer confirms it has no county-wide zoning ordinance.

    • Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
    • The official 2023–2028 hazard mitigation plan reports no zoning code or ordinance for Judith Basin County.
    • Subdivision, septic, floodplain, building-code, and other state or local requirements may still apply.
    “Table I-17 Judith Basin County and Jurisdictions Regulatory Mitigation Capabilities [...] Plans and Regulations Judith Basin County Town of Hobson Town of Stanford [...] Zoning Code or Ordinance No No No”
  • Manufactured homes · by state lawUnrestricted

    Unincorporated Judith Basin County: no county rule sets this, because Judith Basin County's own reviewed answer confirms it has no county-wide zoning ordinance.

    • Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
    • The official 2023–2028 hazard mitigation plan reports no zoning code or ordinance for Judith Basin County.
    • Subdivision, septic, floodplain, building-code, and other state or local requirements may still apply.
    “Table I-17 Judith Basin County and Jurisdictions Regulatory Mitigation Capabilities [...] Plans and Regulations Judith Basin County Town of Hobson Town of Stanford [...] Zoning Code or Ordinance No No No”
  • Accessory dwellings · by state lawUnrestricted

    Unincorporated Judith Basin County: no county rule sets this, because Judith Basin County's own reviewed answer confirms it has no county-wide zoning ordinance.

    • Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
    • The official 2023–2028 hazard mitigation plan reports no zoning code or ordinance for Judith Basin County.
    • Subdivision, septic, floodplain, building-code, and other state or local requirements may still apply.
    “Table I-17 Judith Basin County and Jurisdictions Regulatory Mitigation Capabilities [...] Plans and Regulations Judith Basin County Town of Hobson Town of Stanford [...] Zoning Code or Ordinance No No No”
  • Who permits septicMixed (with conditions)

    Subsurface wastewater treatment systems and septic permitting in Judith Basin County, which is served by the Central Montana Health District.

    • Central Montana Environmental Health administers permitting, inspections, monitoring, enforcement, and resources for septic programs regulated by the Montana Department of Environmental Quality (DEQ).
    • The district's septic-process document covers Judith Basin County and the other Central Montana Health District counties: Musselshell, Wheatland, Golden Valley, and Petroleum.
    • Before installation work begins, a completed permit application and applicable fee must be received and a permit to construct must be issued by the sanitarian.
    • The process begins with a Site Visit Request Form, Site Visit Request Map Form, and a $275 site-visit fee; the request should be sent two weeks before the desired site-visit date.
    • For installation within 12 months of the site visit, the Subsurface Wastewater Permit Application and payment must be returned to CMHD before the site-visit date.
    • A hole 8 feet deep and within 25 feet of the proposed septic drainfield must be dug; a CMHD sanitarian analyzes the soil profile and drafts a lot plan based on the planned number of bedrooms.
    • The standard fee is $475 for a certified installer and $650 for an owner or noncertified installer, including the site visit.
    • For a CMHD-approved subdivision in a previously approved location, the fee is $150 with a certified installer or $300 with a noncertified or owner installer; regular pricing applies if the system is moved more than 10 feet from the previously approved location.
    • Replacement permit fees are $150 for a certified-installer drainfield and $75 for a certified-installer tank; for an uncertified installer or owner, they are $300 for a drainfield and $125 for a tank.
    • A final inspection is required before burial, an installer report is required before a septic permit may be issued, and the report is due within 10 days after the final inspection.
    • After the final inspection and receipt of the report, a CMHD sanitarian issues the final septic permit.
    • For septic-permit inquiries, the Central Montana Environmental Health District page lists 406-566-2277 Option 1 and 406-566-2277 ext. 109 at 91 Third Street North, Stanford, Montana.

    environmental health phone: 406-566-2277 Option 1 · environmental health phone extension: 406-566-2277 ext. 109 · site visit fee: 275 USD · test hole depth: 8 feet · test hole distance from proposed drainfield: <= 25 feet · standard certified-installer fee: 475 USD (Includes site visit) · standard owner or noncertified-installer fee: 650 USD (Includes site visit) · approved-subdivision certified-installer fee: 150 USD (Previously approved location) · approved-subdivision noncertified or owner-installer fee: 300 USD (Previously approved location; regular pricing applies if moved more than 10 feet) · installer report deadline: <= 10 days (After final inspection)

    “After a final inspection has been completed and the report form received, a CMHD sanitarian will issue the final septic permit. We will send you a copy for your property records. The original will be kept on file in the CMHD office for future references. Musselshell, Wheatland, Judith Basin, Golden Valley & Petroleum Counties”
    2 more reviewed findings on this topic
    • Local — Subsurface wastewater treatment systems, including septic systems, in Judith Basin County as administered by Central Montana Environmental Health/Central Montana Health District.
      “EH permits, inspects, monitors, enforces rules, and provides resources for programs regulated by the Department of Environmental Quality (DEQ), such as: Subsurface Wastewater Treatment Systems (Septic Systems)”
    • Local (with conditions) — Septic-system permitting and administration in Judith Basin County through the Central Montana Health District.
      “After a final inspection has been completed and the report form received, a CMHD sanitarian will issue the final septic permit. We will send you a copy for your property records. The original will be kept on file in the CMHD office for future references.”
  • Septic permitRequired

    Installation of a septic system in Judith Basin County administered through Central Montana Health District.

    • A completed permit application and applicable fee must be received before work begins.
    • A permit to construct must be issued by the sanitarian before installation begins.
    • A site visit and soil analysis are part of the standard process.
    • Certified-installer and owner/noncertified-installer fees differ.
    • Approved subdivisions have different fees when the system is installed in a previously approved location.
    • A replacement system has separate tank and drainfield fees.

    site visit fee: 275 USD (Separate site visit request process; standard new-system fees include the site visit.) · new system fee with certified installer: 475 USD (Includes site visit.) · new system fee with owner or noncertified installer: 650 USD (Includes site visit.) · approved-subdivision fee with certified installer: 150 USD (Previously approved location.) · approved-subdivision fee with owner or noncertified installer: 300 USD (Previously approved location; regular pricing applies if moved more than 10 feet.) · permit validity period: 12 months (Permit is invalid if the system is not installed within 12 months of issuance.)

    “Work may not begin on the installation of the septic system until a completed permit application and applicable fee have been received and a permit to construct has been issued from the sanitarian.”
    One more reviewed finding on this topic
    • Required — Installation of septic systems in Judith Basin County within the Central Montana Health District.
      “Work may not begin on the installation of the septic system until a completed permit application and applicable fee have been received and a permit to construct has been issued from the sanitarian.”
  • Septic inspectionRequired

    Septic system installation in Judith Basin County administered through Central Montana Health District.

    • A final inspection is required before the system is buried.
    • The installer’s report form is due within 10 days after the final inspection.
    • The final septic permit is issued after the inspection is completed and the report is received.
    • The permit application fee includes final inspections.
    • The permit holder must provide 24-hour notice before any required department inspection.

    installer report deadline: 10 days (After completion of the final inspection.) · inspection notice: >= 24 hours (Before any required inspection by the department.)

    “A final inspection is required before the system is buried. You may want to schedule this at least a week in advance. A completed installer’s report form is also required before a septic permit may be issued. This is due within 10 days after the final inspection has been completed.”
    One more reviewed finding on this topic
    • Required — Septic-system installation inspections in Judith Basin County within the Central Montana Health District.
      “A final inspection is required before the system is buried. You may want to schedule this at least a week in advance. A completed installer’s report form is also required before a septic permit may be issued. This is due within 10 days after the final inspection has been completed.”
  • Subdividing landRegulated (with conditions)

    Subdivision review for lots greater than 20 acres in Judith Basin County within the Central Montana Health District service area.

    • The official review form requires water, wastewater, storm-water, solid-waste, lot-layout, soil-profile, groundwater-separation, water-availability, water-quality, and groundwater-impact information.
    • For proposed wastewater systems, the form requires a minimum 4-foot vertical separation between the bottom of the permeable surface of the proposed wastewater treatment system and a limiting layer.
    • If groundwater is within 7 feet of the natural ground surface, evidence is required that groundwater will not exceed the minimum vertical separation distance.
    • The form identifies Judith Basin County among the counties served by the Central Montana Health District.

    minimum vertical separation from limiting layer: >= 4 feet · groundwater screening depth: 7 feet below natural ground surface (If the soil profile or other information indicates groundwater is within this depth.)

    “Subdivision Review for Lots Greater than 20 Acres [...] (ii) demonstration that the soil profile contains a minimum of 4 feet of vertical separation distance between the bottom of the permeable surface of the proposed wastewater treatment system and a limiting layer; and (iii) in cases in which the soil profile or other information indicates that ground water is within 7 feet of the natural ground surface, evidence that the ground water will not exceed the minimum vertical separation distance provided in subsection (1)(d)(ii);”
    One more reviewed finding on this topic
    • Regulated (with conditions) — Subdivision review and related water and sanitation requirements administered for Judith Basin County through Central Montana Environmental Health/Central Montana Health District.
      “EH permits, inspects, monitors, enforces rules, and provides resources for programs regulated by the Department of Environmental Quality (DEQ), such as: • Subsurface Wastewater Treatment Systems (Septic Systems) • Subdivisions”
  • Permit feesVariable (with conditions)

    Environmental-health permits and licenses administered for Judith Basin County, including public accommodations, septic systems, subdivisions, and water-quality programs.

    • A $10 fee applies per copy when requesting copies of septic permits.
    • Other permit or license fees are shown on the applicable subsequent forms.

    septic permit copy fee: per 10 USD per copy

    “To request copies of septic permits, please contact our office directly via email, phone or walk-in. Please note: there is a $10 fee per copy. All other permit/license fees are indicated on the appropriate subsequent forms.”

Montana rules that apply here

  • Building permitLimited

    Construction, remodeling, moving, additions, alterations, repairs, or changes of occupancy in Judith Basin County that fall within Montana state building-code jurisdiction.

    • A state building permit is required before construction for covered new buildings, alterations, additions, and repairs.
    • The state permit rule applies except for projects located within the jurisdictional limits of a certified local government program.
    • State-jurisdiction exemptions include farm and ranch buildings; mining buildings on mining property; petroleum refineries and pulp and paper mills except office and shop buildings; residential buildings containing less than five dwelling units except when serving transient guests; and private garages and private storage buildings used for the owner's own use and not part of a commercial enterprise or business.
    • The official sources reviewed did not establish whether Judith Basin County has a certified local building-code program or a local override.

    residential dwelling units: < 5 dwelling units (Residential buildings containing less than five dwelling units are exempt, except when serving transient guests.)

    “In Montana a state building permit is required prior to the start of construction for certain types of new buildings, and/or for alterations, additions, and repairs.”
    One more reviewed finding on this topic
    • Limited — Construction, remodeling, moving, alterations, additions, repairs, or changes of occupancy for buildings subject to Montana state building-code jurisdiction.
      “In Montana a state building permit is required prior to the start of construction for certain types of new buildings, and/or for alterations, additions, and repairs.”
  • Owner-builder exemptionAvailable (with conditions)

    Owner-performed plumbing installation in a residence within Montana state plumbing-code jurisdiction, including applicable projects in Judith Basin County outside a certified local-government jurisdiction.

    • The homeowner must perform the plumbing installation themselves.
    • The residence must be for the owner's personal use.
    • The residence must not be built on speculation of resale.
    • The residence must not be intended as a rental property.
    • Certified local governments may enforce the plumbing code within their jurisdictional area; other areas fall under state jurisdiction.
    • All plumbing must meet the Uniform Plumbing Code, and inspections must be requested before covering any portion of the plumbing work.
    “All other areas fall under the State's jurisdiction. [...] Homeowners do not need to obtain a plumbing permit provided he/she is doing the plumbing installation themselves and the residence is for the owner's personal use and not built on speculation of resale or intended as a rental property.”
    2 more reviewed findings on this topic
    • Conditional — A homeowner performing plumbing installation personally at the owner's residence in Montana state plumbing jurisdiction.
      “Homeowners do not need to obtain a plumbing permit provided he/she is doing the plumbing installation themselves and the residence is for the owner's personal use and not built on speculation of resale or intended as a rental property.”
    • Available — An owner working on the owner's property, or an owner contracting for work performed by a registered construction contractor, under Montana's construction-contractor licensing chapter.
      “(13) to an owner working on the owner's property, whether occupied by the owner or not, but this exemption does not apply to an owner”
  • InspectionsLimited

    Buildings and other projects requiring permits under Montana state building-code jurisdiction; certified local governments may perform inspections within their certified jurisdictional areas.

    • The Montana Building Codes Program performs inspections for projects requiring a permit under state jurisdiction.
    • The permit holder must notify the inspector when work is ready for inspection and provide access for required inspections.
    • Cities, counties, and towns may enforce local building codes and perform inspections only through certified local government programs; remaining areas fall under the state Building Codes Program.
    “The BC Program establishes and enforces statewide codes by issuing permits and performing inspections.”
    One more reviewed finding on this topic
    • Limited — Projects in Judith Basin County subject to a Montana state building permit and the required state inspections.
      “It is the responsibility of the permit hold to notify the inspector when work is ready for inspection and to provide access for required inspections.”
  • Certificate of occupancyLimited

    Buildings constructed in accordance with the Montana state building code or a county, city, or town building code.

    • The certificate must certify that the building conforms to the applicable building regulations.
    • The statute addresses certificates for buildings constructed under the state or local building code; it does not establish a universal certificate requirement for every structure or every occupancy.
    “A certificate of occupancy for a building constructed in accordance with the provisions of the state building code or county, city, or town building code must certify that the building conforms to the requirements of the building regulations applicable to it.”
  • Off-grid sanitationLimited

    Waste-segregation sanitation systems and associated gray-water irrigation on subdivision parcels subject to review under Title 76, chapter 4, MCA.

    • Gray-water treatment and disposal must otherwise comply with the wastewater-treatment requirements and applicable department circulars.
    • Gray-water irrigation requires a permit from the local health department before installation.
    • Gray-water irrigation must be subsurface and designed, installed, and used in accordance with Department Circular DEQ-4.
    • Gray water may not irrigate plants consumed by humans, except nut and fruit trees are excluded from that definition.
    • Gray-water systems may not be located within a floodplain.
    • At least four feet of natural soil must separate the application point from a limiting layer.
    • Unless waived, gray-water irrigation must be at least 100 feet from wells, 100 feet from surface water, 100 feet from a floodplain, and two feet from a property line.
    • Kitchen gray water may be used for irrigation only when a waste-segregation system is used.
    • Subdivision systems generally require approval under Title 76, chapter 4, MCA, subject to stated exceptions.

    minimum natural soil separation: >= 4 feet · setback from wells: >= 100 feet (Unless department waiver is granted.) · setback from surface water: >= 100 feet (Unless department waiver is granted.) · setback from floodplain: >= 100 feet (Unless department waiver is granted.) · setback from property line: >= 2 feet (Unless department waiver is granted.)

    “gray water from kitchens may be used for irrigation only where a waste segregation system is used. For purposes of this rule, a "waste segregation system" consists of dry disposal of toilet waste by a method such as composting, chemical, dehydrating, or incinerator treatment, with a separate disposal method for gray water;”
    2 more reviewed findings on this topic
    • Prohibited — New sewage systems using pit privies on subdivision parcels subject to Montana subdivision sewage-system rules.
      “The following sewage systems may not be used for new systems, but may be used as replacement systems subject to the limitations provided in Department Circular DEQ-4:”
    • Limited — Sealed pit privies in facilities subject to Montana subdivision sewage-system rules.
      “Sealed pit privies may be used only in facilities owned and operated by a local, state, or federal unit of government, or in facilities where use of a sealed pit privy is authorized by the Department of Public Health and Human Services.”
  • Well permitLimited

    New groundwater developments in Montana using 35 gallons per minute or less and no more than 10 acre-feet per year.

    • All water uses starting after June 30, 1973, require a water right either through a water-use permit or an exception to the permitting process.
    • The development may qualify for the exception; qualification is not automatic.
    • Completed groundwater uses that meet the permit exception receive a Groundwater Certificate rather than a water permit.
    • A permitted water right is required for a combined appropriation from the same source by two or more wells or developed springs exceeding 10 acre-feet, regardless of flow rate.
    • All lots in a multi-phase subdivision must share a combined water-use limit of 10 acre-feet per year to qualify for a permit exception.
    • Beginning January 1, 2026, a water user intending to develop water use through a permit exception must file a Notice of Intent with DNRC before using water from an exempt well.
    • DNRC reviews a correct and complete Notice of Intent within 10 business days; if eligible, it authorizes the Notice of Intent and gives the user five years to complete the project, put the water to use, and file a Notice of Completion.
    • If the proposed use is not eligible, the Notice of Intent is denied and the user is directed to the water-right permit process.
    • The Notice of Intent filing fee is $400.
    • An authorized Notice of Intent expires after five years, with an opportunity for one five-year extension.

    maximum flow rate: <= 35 gpm · maximum annual volume: <= 10 acre-feet per year · Notice of Intent fee: 400 USD (Beginning January 1, 2026) · Notice of Intent review period: 10 business days (For a correct and complete Notice of Intent) · authorized Notice of Intent term: 5 years (One five-year extension opportunity is available)

    “Permit Exceptions, a.k.a. Exempt Wells: Small groundwater developments that use 35 gpm or less and do not exceed 10 acre-feet per year are known as “exempt wells” and may qualify for an exception to the water permit process.”
    3 more reviewed findings on this topic
    • Limited — Groundwater wells and other groundwater developments in Judith Basin County under Montana's statewide water-right permitting rules.
      “Permit Exceptions, a.k.a. Exempt Wells: Small groundwater developments that use 35 gpm or less and do not exceed 10 acre-feet per year are known as “exempt wells” and may qualify for an exception to the water permit process.”
    • Limited — New groundwater wells and groundwater developments in Judith Basin County.
      “A person is not required to apply for a permit to develop a groundwater well, spring, pit, or pond with a use of 35 gallons per minute or less, not to exceed 10 acre-feet per year. Beginning on January 1, 2026, appropriators are required to notify DNRC of their intent to use groundwater under the exception to the permitting process described in 85-2-306(3)(a)(iii) or (iv), MCA, by submitting a Notice of Intent to Appropriate Groundwater (Form 602I) prior to putting the water to use.”
    • Required — Surface-water uses and groundwater uses exceeding 35 gallons per minute or 10 acre-feet per year in Montana.
      “Water Permits: A water permit is required for all surface water use and groundwater uses over 35 gallons per minute (gpm) or 10 acre-feet per year.”
  • Mandatory utility hookupWater and sewer (with conditions)

    New water supply and sewage disposal facilities in proposed subdivisions in Judith Basin County, including unincorporated areas, under Montana's statewide subdivision requirements.

    • The rule applies when any boundary of the proposed subdivision is within 500 feet of any component of the public water supply or wastewater system.
    • The public system must meet ARM 17.36.328(2)(a) and (b).
    • The Department may grant a waiver under ARM 17.36.601 if the applicant demonstrates that connection is physically or economically impractical or that easements cannot be obtained.
    • A connection is economically practical when its construction cost is less than or equal to three times the cost of constructing approvable systems on the site.
    • Unless a waiver is granted, the reviewing authority may not approve connection to an existing public system unless the system is Department-approved and complies with Title 75, chapter 6, part 1, MCA, and ARM Title 17, chapters 30 and 38.
    • The public-system managing entity must certify adequate capacity, authorization of the connections, compliance with ARM Title 17, chapter 38 and other applicable Department regulations, and existence of appropriate water rights.
    • The applicant must submit the public system's name and public water supply ID number.
    • If proposed additional connections create a new public system, the applicant must submit plans and specifications for the entire existing and proposed system for Department review and approval.

    public-system proximity threshold: <= 500 feet (Any boundary of the proposed subdivision must be within 500 feet of any component of the public system.) · economic-practicality threshold: <= 3 times cost ratio (Cost of constructing the connection compared with cost of constructing approvable systems on site.)

    “must be provided by a connection to a public water supply or wastewater system if any boundary of the subdivision is within 500 feet”
  • Agricultural exemptionAvailable (with conditions)

    Farm and ranch buildings in Montana's state building-permit jurisdiction, including applicable projects in Judith Basin County outside a certified local-government program.

    • The exemption applies to the need to obtain a state building permit.
    • The state page separately states that projects located within the jurisdictional limits of a certified local government program are excepted from the state permitting jurisdiction.
    • The source does not establish exemption from septic, subdivision, floodplain, electrical, plumbing, mechanical, or other requirements administered under separate laws or programs.
    “In the State's jurisdiction, state law exempts the following from the need to obtain state building permits: 1. farm and ranch buildings”
    2 more reviewed findings on this topic
    • Available (with conditions) — Divisions of land created by lease or rental for farming and agricultural purposes in Montana, including Judith Basin County.
      “Unless the method of disposition is adopted for the purpose of evading this chapter, the requirements of this chapter may not apply to any division of land that: [...] (f) is created by lease or rental for farming and agricultural purposes;”
    • Conditional — Land divisions created by lease or rental for farming and agricultural purposes in Judith Basin County.
      “Unless the method of disposition is adopted for the purpose of evading this chapter, the requirements of this chapter may not apply to any division of land that: [...] (f) is created by lease or rental for farming and agricultural purposes;”
  • Driveway accessLimited

    New or modified driveway approaches intersecting Montana state highways, and changes in use of property abutting a state highway or an existing approach.

    • A new or modified approach requires either an approach permit or a right-of-way agreement.
    • A change in property use or change in use of an existing approach requires a new approach permit.
    • The landowner is responsible for obtaining the new permit.
    • The application must be made to the appropriate MDT District Office.
    • A detailed site plan and Environmental Checklist Form are required.
    • The requirement concerns state highways; local roads may be administered by local governments.
    “ALL NEW OR MODIFIED APPROACHES REQUIRE EITHER AN APPROACH PERMIT OR A RIGHT-OF-WAY AGREEMENT.”
    One more reviewed finding on this topic
    • Required — New or modified driveway approaches connecting property in Judith Basin County to a Montana state highway.
      “ALL NEW OR MODIFIED APPROACHES REQUIRE EITHER AN APPROACH PERMIT OR A RIGHT-OF-WAY AGREEMENT.”
  • Building in a floodplainRequired

    New development in a designated Special Flood Hazard Area within Judith Basin County, including development in floodplain or floodway areas.

    • The applicant must check with the local floodplain administrator to determine whether an SFHA has been designated for the stream of interest.
    • Covered development includes placement of fill, roads, bridges, culverts, transmission lines, irrigation facilities, storage of equipment or materials, excavation, manufactured homes, and new construction, additions, or substantial improvements to residential and commercial buildings.
    • Permit applications are obtained from the local floodplain administrator.
    • Local requirements and fees may vary.
    “Anyone planning new development within a designated Special Flood Hazard Areas (SFHA).”
    One more reviewed finding on this topic
    • Required — New development within a designated Special Flood Hazard Area in Montana.
      “Anyone planning new development within a designated Special Flood Hazard Areas (SFHA).”
  • Short-term rentalsLimited

    Short-term rentals and vacation rentals offered for compensation in Judith Basin County.

    • Short-term rentals are treated as public accommodations under the state public-accommodation program.
    • Plans for public accommodations are reviewed by county sanitarians.
    • Taxable lodging accommodations include vacation rentals and short-term rental marketplaces.
    • A lodging accommodation required to collect and remit lodging taxes must apply for a seller's permit before doing business.
    • The combined lodging facility sales and use tax is 8%, consisting of 4% use tax and 4% sales tax.
    • Units or spaces rented 30 continuous days or more to the same purchaser are among the listed exemptions from lodging tax collection.

    combined lodging facility sales and use tax: 8 percent (4% use tax plus 4% sales tax)

    “Public accommodations include (but are not limited to) hotels, motels, bed and breakfasts, and tourist homes/short-term rentals such as Airbnb's and VRBO's.”
    2 more reviewed findings on this topic
    • Limited — Tourist homes and short-term rentals such as Airbnb and VRBO properties operated in Judith Basin County.
      “Public accommodations include (but are not limited to) hotels, motels, bed and breakfasts, and tourist homes/short-term rentals such as Airbnb's and VRBO's.”
    • Limited — Short-term rentals operated in Montana.
      “Short Term Rentals: A Property Manager license is required for short term rentals unless an operator qualifies for an exemption”
  • Permit processPublished (with conditions)

    State-administered Montana building permits for covered non-exempt construction outside certified local-government jurisdictions.

    • A state permit applies to certain new buildings and alterations, additions, and repairs.
    • Projects within the jurisdictional limits of a certified local government program are excluded from the state permit program.
    • Construction plans and a Building Permit/Plan Review Application must be submitted for review and approval.
    • The permit is issued after plan-review comments are satisfactorily answered and fees are paid.
    • Separate electrical, plumbing, and mechanical permits may be required.
    • The permit holder must notify the inspector when work is ready and provide access for required inspections.

    average plan review time: three weeks (Actual timing depends on workload, project size, and deficiencies.)

    “To obtain a state building permit, submit construction plans and a Building Permit/Plan Review Application to the Building Codes Program for review and approval.”
    One more reviewed finding on this topic
    • Published (with conditions) — State building permit applications for applicable projects in Judith Basin County.
      “Two to three (2 - 3) weeks is the average time required for the plan review process, if plans are complete”
  • Campground & park staysLimited

    Occupancy of recreational vehicles as camping units in Montana campgrounds, trailer courts, work camps, or youth camps, including establishments in Judith Basin County.

    • The camping-unit rules apply to establishments regulated under Montana Code Title 50, chapter 52 and ARM 37.111.1201 et seq.
    • A person operating an establishment must possess a current department license; a state-owned or political-subdivision campground need not obtain a license but must comply with applicable department rules.
    • The cited rules do not establish a general authorization or prohibition for a single RV on private land outside a regulated establishment.
    • Local regulatory authority requirements, wastewater, water-supply, subdivision, and other applicable state or local rules still apply.
    “"Camping unit" means [...] recreational vehicle”
    3 more reviewed findings on this topic
    • Limited — Temporary or occasional camping at a special-event campground in Judith Basin County or elsewhere in Montana.
      “A special event campground may be licensed [...] for 14 days or less.”
    • Limited — Camping in Montana Fish, Wildlife & Parks public-use sites.
      “Unless otherwise posted by the department, within a public use site it is prohibited to: [...] camp at one or more campsites in a public use area for a period of longer than 7 nights during any consecutive 30-day period, beginning with the first night occupied unless otherwise posted by the department;”
    • Limited — Dispersed and designated-campground temporary camping on legally accessible Montana state trust land administered by DNRC.
      “Dispersed camping is allowed on state trust land with the appropriate permit and with certain restrictions. Dispersed camping on state trust land is allowed with a Conservation License. Camping that is incidental to hunting or fishing is permitted through your conservation license, and no additional permitting is required. Group camping requires a special recreational use license. On leased or licensed land: 2 days On unleased/unlicensed land: 16 days within a 30-day period Within designated campground: 16 days within a 30-day period”
  • county zoning authorityGeneral

    Montana county boards of commissioners' authority to adopt zoning regulations, including in unincorporated portions of established jurisdictional areas.

    • The board of county commissioners must have adopted a growth policy pursuant to Title 76, chapter 1.
    • Zoning may be adopted for all or parts of the jurisdictional area in accordance with Title 76, chapter 2, part 2.
    • Within unincorporated portions of an established jurisdictional area, the board may establish zoning regulations by resolution or divide the county into zoning districts.
    • Zoning regulations may regulate the erection, construction, reconstruction, alteration, repair, location, or use of buildings or structures and the use of land.
    • An action challenging creation of a zoning district or adoption of zoning regulations must be commenced within 6 months after the board's order.
    • Regulations in one district may differ from those in other districts.
    • The statute also states that zoning regulations may not treat manufactured housing or factory-built housing units differently from other residential units, subject to the statutory presumption concerning placement.

    challenge period: 6 months (after the date of the board order creating the district or adopting the regulations)

    “For the purpose of promoting the public health, safety, morals, and general welfare, a board of county commissioners that has adopted a growth policy pursuant to chapter 1 is authorized to adopt zoning regulations for all or parts of the jurisdictional area in accordance with the provisions of this part.”
    One more reviewed finding on this topic
    • General — Montana county boards of commissioners adopting zoning regulations for all or parts of their jurisdictional areas, including unincorporated portions where the statutory prerequisites are met.
      “a board of county commissioners that has adopted a growth policy pursuant to chapter 1 is authorized to adopt zoning regulations”
  • county building authorityGeneral

    Montana counties may adopt and enforce building codes and require construction permits for residential construction in unincorporated county areas, subject to the statutory certification, geographic, code-content, and permit requirements.

    • A county may adopt a building code by ordinance or resolution, or authorize adoption by administrative action.
    • A county may adopt its building code on a countywide basis unless a city or town within the county has adopted a building code; the county may not enforce its county building code within that city or town.
    • The county code-enforcement program must be certified by the Montana Department of Labor and Industry.
    • The current adopted code, current fee list, and current enforcement plan must be filed with and approved by the Department.
    • Inspectors must satisfy the stated state-licensing or approved national-certification requirements.
    • Except for voluntary incentive-based energy-conservation standards, the county may not adopt or enforce a building code more stringent than the code adopted by the Department or required by state law.
    • The county may prohibit construction from commencing until the required permit is issued after compliance is shown.
    • The general construction-permit requirement applies to buildings subject to Title 50, chapter 60, parts 1 through 4.
    • State agency-owned buildings remain under state Department jurisdiction for plan review, permitting, and inspections.
    “The local legislative body of a county, city, or town may adopt a building code to apply to the county, city, or town by an ordinance or resolution, as appropriate: (a) adopting a building code; or (b) authorizing the adoption of a building code by administrative action.”
    One more reviewed finding on this topic
    • General — Montana counties' authority to adopt and enforce building codes and require building-code administration for construction in county areas, including unincorporated areas.
      “The local legislative body of a county, city, or town may adopt a building code to apply to the county, city, or town by an ordinance or resolution, as appropriate: (a) adopting a building code; or (b) authorizing the adoption of a building code by administrative action.”

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Living off-grid in Judith Basin County, Montana

Is Judith Basin County a good place to live off-grid or homestead?

Judith Basin County scores 71/100 on the Bolthole Index, a strong county profile. Its strengths: deep seclusion — about 159 people within a 30-minute drive and a stronger property-autonomy legal backdrop. Watch-outs: thin water margin (19.4″/yr rainfall).

Do you need a building permit in Judith Basin County, Montana?

Judith Basin County does not require a county building permit for a home in unincorporated areas, and it has no county-wide zoning. Onsite septic is permitted by Central Montana Health District (Central MT Environmental Health). Owner-builders may act as their own contractor to build their home. These answers are quoted from official sources and independently re-checked. Rules change and cities within the county differ — always confirm with the county before you buy or build.

Can you live in an RV or tiny home on your land in Judith Basin County?

Living in an RV on your own land in Judith Basin County is limited to specific cases: Statewide rule. RV, camper-trailer, and other trailer overnight use for general recreation on legally accessible Montana state trust land administered by DNRC. A Conservation License is required for dispersed camping on state trust land. RV or trailer camping must be within 50 feet of a customary access point; motorized vehicles must be parked within 50 feet of a customary access point, and the camper or trailer may not be set up farther away by driving beyond that point. A tiny home is allowed. Confirm with the county before relying on it.

How much does land cost in Judith Basin County, Montana?

Land in Judith Basin County runs about $1,350 per acre, based on the latest county data.

What is the water situation in Judith Basin County?

Judith Basin County gets about 19.4" of rain a year, with severe drought in roughly 10.5% of years.

How remote is Judith Basin County?

A representative private-land location has about 159 people within a 30-minute drive and 90,361 within two hours. The road-network catchments count population across county lines and clusters of smaller cities; straight-line radius values remain available as a comparison.

How Judith Basin compares in Montana

Compare side-by-side →See all 56 Montana counties ranked →