Bolthole Index

Mineral County, Montana

Building permits, zoning and land rules in Mineral County, Montana

75Index Score / 100
#4 of 56 in Montana

Unincorporated Mineral County, Montana does not require a county building permit for a home, and most single-family construction under state jurisdiction is exempt from a state building permit12. Mineral County has no countywide zoning; the county plan identifies Alberton as the only incorporated community with adopted zoning3. Mineral County Environmental Health and Planning handles septic and floodplain permits45.

At a glance

Building permit
Not required for a single-family home under state jurisdiction12
Owner-builder
Conditional contractor-registration and self-performed plumbing exemptions apply; other approvals remain67
Zoning
No countywide zoning; Alberton has local zoning districts89
Septic
County permit required through Environmental Health and Planning4
RV on your own land
Superior regulates camping; countywide long-term occupancy for one RV remains unconfirmed10
Driveway / road approach
New or modified state-highway approaches require MDT authorization11
New or expanded well
Small uses can qualify as an exempt well, but need a Notice of Intent filed starting Jan. 1, 202612
Manufactured home in Alberton
Town standards include a permanent foundation and at least 1,000 square feet13

Who to call

Septic permits

Mineral County Environmental Health and Planning

Septic/wastewater treatment system permits, subdivision review and floodplain permits for Mineral County

(406) 822-3525

PO Box 550, 300 River Street, Superior, MT 59872

Floodplain permits

Mineral County Environmental Health and Planning (floodplain administrator)

Floodplain permits, floodplain determinations and the county's floodplain regulations

(406) 822-3525

PO Box 550, 300 River Street, Superior, MT 59872

Roads & driveways

Mineral County Road Department

Maintenance of county roads and bridges, and driveway/road approach permits

(406) 822-3560

roaddept@blackfoot.net

595 Diamond Match Road, PO Box 97, Superior, MT 59872

Building permits

Montana Building Codes Program (Department of Labor & Industry)

State building permits for the rare Mineral County project that isn't exempt (commercial buildings, multi-unit residential, or buildings serving transient guests)

(406) 841-2056

buildingcodes@mt.gov

P.O. Box 200517, Helena, MT 59602

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

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Do you need a building permit in Mineral County, Montana?

A single-family home in unincorporated Mineral County does not need a building permit1. Mineral County is under state building-code jurisdiction, where residential buildings with fewer than five dwelling units and farm and ranch buildings are exempt from state building permits214. An owner working on the owner's property is conditionally exempt from contractor registration, but the exemption does not erase zoning, septic, floodplain, subdivision or other applicable requirements6. A residence serving transient guests is outside the residential exemption, so a short-term rental project may need a state building permit and a state Property Manager license unless another exemption applies215.

Who handles building permits, septic and floodplain in Mineral County?

Mineral County does not operate a local building-permit program1. Mineral County Environmental Health and Planning handles septic regulation and publishes forms for land-use, subdivision and floodplain applications, although its page does not give a complete review timeline45. The office can be reached at (406) 822-352516. The FY 2024 schedule lists $100 for a floodplain determination, $175 with a site visit, $400 for a small-scale floodplain permit and $1,000 for a large-scale permit17. County-road driveway and approach permits go through the Mineral County Road Department at (406) 822-356018. For a nonexempt project, building permits and inspections come from the Montana Building Codes Program at (406) 841-20561920.

Does Mineral County have zoning?

Mineral County has no countywide zoning, while the Town of Alberton has local zoning districts that the town—not the county—administers89. Subdivision and floodplain rules can still affect development outside a zoning district2122. In Alberton's R-1 district, a permitted use generally needs a 5,000-square-foot lot at least 34.5 feet wide; existing recorded lots, multifamily dwellings, mobile-home parks and other land uses have separate standards23. R-1 permitted-use setbacks are 15 feet in front, 5 feet in the rear and at least 7.5 feet at the side, with separate rules for conditional uses, corner lots, alleys and accessory buildings24. An Alberton manufactured home treated as a single-family dwelling must be at least 1,000 square feet, sit on a permanent foundation and meet the ordinance's other conditions13.

How do septic permits work in Mineral County?

Mineral County Environmental Health and Planning regulates and permits septic and wastewater treatment systems and publishes the county regulations and permit request4. The application must include the applicable fee before review, and construction without an issued installation permit or approved site evaluation carries a $500 fee25. The installer must notify the department at least 48 hours before completion, and the completed system needs a final inspection before it is covered26. Only 0.1 percent of Mineral County soils are rated without severe limitations for a conventional septic drain field, so make septic feasibility an early purchase contingency27. State subdivision sanitation approval does not replace the local drainfield permit28.

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

Inside the Town of Superior, camping on private property requires the owner's explicit permission, while public-place camping is restricted by season and overnight hours unless the appropriate agency authorizes it1029. Superior also requires RV sink water and sewage to go only to a disposal site approved by Mineral County Environmental Health and Planning10. We could not confirm a countywide rule allowing or prohibiting one household from living in one RV, or a countywide tiny-home rule; ask Environmental Health and Planning about the parcel's wastewater plan and floodplain status before moving an RV or tiny home onto the site1630.

Building a home in Mineral County: the steps, in order

  1. Confirm whether the parcel is inside Alberton's zoning jurisdiction or Superior, where the town camping rule applies929.
  2. Confirm that the project qualifies for Montana's building-permit exemption; contact the Montana Building Codes Program about a nonexempt project21419.
  3. If you will do the plumbing personally, confirm that the home is for your own use and is neither speculative resale construction nor a rental before relying on the state plumbing-permit exemption7.
  4. Start septic review with Environmental Health and Planning and make feasibility a purchase contingency because only 0.1 percent of local soils are rated without severe limits for a conventional drain field427.
  5. Ask the Floodplain Administrator whether the site is in a Special Flood Hazard Area before placing fill, cutting a road, installing a culvert or starting construction2230.
  6. For a new or expanded well, check the permit-exception limits and file the required Notice of Intent before using the water12.
  7. Obtain any required state-highway approach authorization and county land-use, subdivision or floodplain approvals before work begins115.

What to check before you buy land in Mineral County

Mineral County is steep, forested and mostly public land: only 8.1 percent of the county is at a 15 percent slope or less, 91.8 percent is wooded, and 82 percent is federal land313233. Only 0.1 percent of county soils are rated without severe limitations for a conventional septic drain field, so make buildability and septic feasibility purchase contingencies27. Ask the Floodplain Administrator whether a streamside parcel is in a Special Flood Hazard Area; permitting can apply to fill, roads, culverts, manufactured homes and building work2230. An agricultural-use-only land division may qualify for exemption from local subdivision review, but adding a building that needs water or sewer or later changing the parcel's use can trigger review21. The effective property-tax rate is about 0.6 percent, and the median annual property-tax bill is about $1,7283435.

Watch-outs

  • Mineral County has no countywide zoning, but Alberton zoning and parcel-specific subdivision or floodplain requirements can still constrain development892122.
  • Superior's camping ordinance does not answer whether unincorporated Mineral County allows long-term living in one RV; ask Environmental Health and Planning before moving onto a rural parcel1016.
  • A Mineral County floodplain permit obtained during or after the project is charged at double the published fee, so contact the Floodplain Administrator before site work begins1730.

Sources

  1. Montana DLI - Certified City, County and Town Programs (2026 county census)
  2. Certified City, County and Town Programs, quoted and re-checked
  3. Mineral County 2018 Community Wildfire Protection Plan, quoted and re-checked
  4. Environmental Health and Planning - Mineral County MT, quoted and re-checked
  5. co.mineral.mt.us, quoted and re-checked
  6. esd.dli.mt.gov, quoted and re-checked
  7. Plumbing Permits, quoted and re-checked
  8. Mineral County, Alberton and Superior Growth Policy 2016, quoted and re-checked
  9. Zoning Ordinance, Town of Alberton, Montana, quoted and re-checked
  10. Chapter 7.12 Camping, quoted and re-checked
  11. Approach Manual for Landowners and Developers, quoted and re-checked
  12. Apply for Water Rights, quoted and re-checked
  13. Zoning Ordinance – Town of Alberton, Montana, quoted and re-checked
  14. Building Permits, quoted and re-checked
  15. Property Management Program (Montana statewide rule), quoted and re-checked
  16. Mineral County Environmental Health and Planning (co.mineral.mt.us)
  17. County of Mineral Land Use Fee Schedule, quoted and re-checked
  18. Mineral County Road Department (co.mineral.mt.us)
  19. Montana Building Codes Program (Department of Labor & Industry) (bsd.dli.mt.gov)
  20. Certified City, County and Town Programs, quoted and re-checked
  21. Mineral County Subdivision Regulations Revised Fee Schedule, quoted and re-checked
  22. Stream Permitting, quoted and re-checked
  23. Zoning Ordinance, Town of Alberton, Montana, quoted and re-checked
  24. Zoning Ordinance, Town of Alberton, Montana, quoted and re-checked
  25. Mineral County Wastewater Treatment System Permit Request, quoted and re-checked
  26. Mineral County Wastewater Treatment System Regulations, quoted and re-checked
  27. 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
  28. Engineering Infrastructure & Subdivisions (Montana statewide rule), quoted and re-checked
  29. Chapter 7.12 Camping, quoted and re-checked
  30. Mineral County Environmental Health and Planning (floodplain administrator) (co.mineral.mt.us)
  31. Share of land at 15% slope or less: Bolthole Index county data
  32. Wooded share of land: Bolthole Index county data
  33. Federal land share: Bolthole Index county data
  34. Effective property tax rate: Bolthole Index county data
  35. 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

Unlike 5 of its 6 neighbors, Mineral County requires no county building permit for a home.

RuleMineral CountySanders CountyLake CountyMissoula CountyRavalli CountyGranite CountyPowell County
Building permitNot requiredLimitedLimitedRequiredNot requiredLimitedRequired
County zoningNoNoYesYesYesYesYes
Septic permitsCounty Env. Health & PlanningCounty Env. HealthCounty Board of HealthMissoula City-County Health Dept.RCEHTri-County SanitarianTri-County Env. Health

County locator

Mineral County in Montana

75
County map
Mineral County highlighted among the Montana counties · colored by Index score

How Mineral County scores

Seclusion90100% ev.
Self-Sufficiency41100% ev.
Admin Boringness8090% ev.
Durability50100% ev.
Property Autonomy83100% ev.
Carry Cost72100% 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 →

$395kTypical home
0.6%Property tax
$5,629Land / acre
38.2"Annual rain
14.5% of yrsSevere drought
1.4 / yr (+1.3)Mid-century 100°F days
19.9 daysMid-century dry spell
1.78" (+3.8%)Mid-century 1-day rain
1.34×Wildfire change factor
100%Forward climate coverage
$1,598Home insurance / yr
0.6% / yrInsurance growth
1.67%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
1,731People within 30 min
479,032People within 2 hr
4,001Radius comparison (15 mi)
4.2People / sq mi
82%Federal land
8.1%Land at 15% slope or less
0.1%Soils rated "not limited" for septic (strict USDA rating)
967 acWorkable land screen
91.8%Wooded land
49.4 tonsBiomass / forest ac
42.3°FAvg temp

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Cities and towns in Mineral 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.

Town of Alberton · Town of Superior

Answers from the rulebook for Mineral County

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

Mineral County rules

  • Local zoningVaries (with conditions)

    The countywide zoning picture, aggregating Mineral County and incorporated communities within the county.

    • Mineral County itself has no countywide zoning.
    • The Town of Alberton is identified as the only incorporated community with adopted zoning in the cited county plan.
    • Alberton zoning includes minimum lot size, setback, and access requirements.
    • Countywide zoning and expansion of zoning in other areas were not anticipated at the time of the cited plan.
    “In Mineral County there is no county wide zoning, Alberton is the only incorporated community with adopted zoning.”
  • Zoning districtsPartial

    Mineral County as an aggregate jurisdiction; zoning districts are published for the Town of Alberton, while the countywide area does not have adopted zoning districts.

    • This is an aggregate conclusion and does not mean Mineral County administers the Town of Alberton zoning ordinance.
    • The 2016 Growth Policy states that Alberton was the only area in Mineral County with adopted zoning at the time of publication.
    • The Growth Policy's future land-use maps are guidance and do not regulate land-use proposals.
    “Currently, Alberton is the only area in Mineral County with adopted zoning. The zoning map (Figure 22) shows the three zoning districts within the current zoning jurisdiction of the Town of Alberton.”
  • Who permits septicCounty

    Septic and wastewater treatment system regulation and permitting in Mineral County, Montana.

    • The county page identifies the Environmental Health and Planning Department as the county office publishing the wastewater treatment system regulations and permit request.
    “Mineral County Environmental Health and Planning Department [...] Mineral County Wastewater Treatment System Regulations”
  • Septic permitRequired

    Wastewater treatment system installation and related systems in Mineral County, Montana.

    • The 2025 county form requires an application and county Environmental Health approval.
    • The fee schedule includes different permit categories, including tank-only or connection-only, holding tanks, conventional drainfields, alternative systems, temporary septic permits, and alterations.
    • The form lists a $500 fee for construction without an issued installation permit or approved site evaluation.
    • Application fees must be included before the application can be reviewed.

    application fee: 50 USD · construction without issued installation permit or approved site evaluation fee: 500 USD

    “Construction without an issued installation permit or approved site evaluation $500.00”
  • Septic inspectionRequired

    Final approval and use of a newly completed wastewater treatment system in Mineral County.

    • The installer must notify the Department at least 48 hours before completion.
    • The Department may require the system to be uncovered if it was covered before final inspection without approval; a second final inspection fee then applies.
    • The designer or authorized representative must be present at final inspection.
    • A Use Permit is not issued until required designer certification and an acceptable as-built drawing are received.
    • The Department inspection determines compliance with minimum regulatory requirements and does not guarantee workmanship, life expectancy, or operation.
    • The 2025 fee schedule lists $85 for septic re-inspection or site visit.

    advance notice before inspection: >= 48 hours · septic re-inspection or site visit fee: 85 USD

    “A final inspection by the Department of the installation is required prior to covering the completed wastewater treatment system.”
  • Subdividing landRegulated (with conditions)

    Subdivision and land divisions subject to the Montana Subdivision and Platting Act and Mineral County Subdivision Regulations, including county areas and the Towns of Alberton and Superior as stated in the regulations.

    • Agricultural-use-only divisions may qualify for an exemption from local review only if the parcel is used only for livestock or agricultural crops and no residential, commercial, or industrial buildings requiring water or sewer will be built.
    • Exemptions require the documents and evidence specified by the regulations and may be denied when the transaction is determined to evade the Montana Subdivision and Platting Act.
    • A change from agricultural use subjects the parcel to review as a minor subdivision.
    • Relocation or aggregation exemptions have separate limits; review is required if an exemption increases the number of lots or redesigns or rearranges six or more lots.
    “These regulations govern the subdivision of land within all of Mineral County.”
  • Building in a floodplainRequired

    New development in designated Special Flood Hazard Areas in Mineral County.

    • The source requires checking with the local floodplain administrator to determine whether an SFHA is designated for the stream of interest.
    • Covered activities include 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 available from the local floodplain administrator.
    • Application fees and timelines are established by the local government and vary widely; Mineral County publishes a fee schedule.
    • Mineral County subdivision regulations prohibit subdivision in a 100-year floodway for building or residential purposes or other uses that may increase flood hazards.
    “Anyone planning new development within a designated Special Flood Hazard Areas (SFHA). Check with local floodplain administrator to determine whether a Special Flood Hazard Areas (SFHA) has been designated for the stream of interest. [...] Permit applications are available from the local floodplain administrator. Application fees and timelines are established by the local government and vary widely throughout the state.”
  • Permit feesPublished

    Mineral County land-use and floodplain permit fees.

    • The published schedule distinguishes FY 2020 and FY 2024 amounts.
    • Floodplain permits obtained during or after the project are charged a double fee.

    floodplain determination: 100 USD (FY 2024 schedule) · floodplain determination with site visit: 175 USD (FY 2024 schedule) · small-scale floodplain permit: 400 USD (FY 2024 schedule) · large-scale floodplain permit: 1000 USD (FY 2024 schedule) · floodplain permit extension: 100 USD (FY 2024 schedule) · floodplain permit variance: 850 USD (FY 2024 schedule)

    “FLOODPLAIN PERMITS Floodplain Determination $65.00 $100.00 Floodplain Determination w/site visit $145.00 $175.00 Floodplain Permit - Small Scale $300.00 $400.00 Floodplain Permit - Large Scale $790.00 $1,000.00 Floodplain Permit Extension $50.00 $100.00 Floodplain Permit Variance $750.00 $850.00 Floodplain Permit - during/after project Double Fee Double Fee”
  • Permit processPartial

    Mineral County land-use, subdivision, and floodplain application process.

    • The county page publishes application forms and regulations, including a floodplain information form, joint floodplain application, subdivision pre-application request, and subdivision plat applications.
    • The page does not itself state a complete review timeline or all submission requirements.
    “Mineral County Floodplain Regulations 2024 [...] Mineral County Floodplain Information Form 2025 Joint Application for Proposed Work in Montana’s Streams, Wetlands, Floodplains, and Other Water Bodies [...] Mineral County Subdivision Regulations Mineral County Land Use Fee Schedule Subdivision Pre-Application Meeting Request 2025 Subdivision Plat Application – Appendix A Subdivision Final Plat Application – Appendix B”
  • County-wide zoningAbsent

    County-wide zoning is not in place; only the incorporated towns of Alberton and Superior have adopted zoning, while the county administers subdivision regulations rather than zoning in unincorporated areas.

    Mineral County Environmental Health and Planning ↗Scouted from the county site, not yet independently re-checked

Montana rules that apply here

  • Building permitLimited

    Construction in Mineral County areas outside a certified local government building-code jurisdiction, including non-exempt buildings, alterations, additions, repairs, moves, or changes of occupancy.

    • Mineral County is not identified as a certified local government jurisdiction on the cited state program page; the page states that all other areas are under the State Building Codes Bureau.
    • A state building permit is required before construction for certain types of new buildings, alterations, additions, and repairs.
    • State law exempts 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 state FAQ specifically states that a single-family residence does not require a building permit unless located inside a local government's jurisdiction that requires one by ordinance or resolution.
    • Required permits must be issued before plumbing, mechanical, or electrical permits can be issued and before work authorized under those permits can start.
    “A state building permit is required for any state owned agency or non-exempt building being built, remodeled, moved, or undergoing a change of occupancy, except for projects located within the jurisdictional limits of a local government program.”
    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 exemptionConditional

    A homeowner performing plumbing installation in the State's jurisdiction, including Mineral County where no certified local program governs the project.

    • The homeowner must perform the plumbing installation personally.
    • The residence must be for the owner's personal use.
    • The residence may not be built on speculation of resale or intended as a rental property.
    • Certified local governments may enforce plumbing code within their jurisdictional areas; all other areas fall under State jurisdiction.
    • This is an exemption from the State plumbing-permit requirement, not a determination about every possible building, electrical, mechanical, health, or local permit.
    “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.”
    3 more reviewed findings on this topic
    • Conditional — State building-permit exemptions applicable in areas outside cities certified to issue their own permits, including specified owner-use private garages and private storage buildings.
      “Briefly, all state-owned agencies must be permitted and, for areas outside cities certified to issue their own permits, state law exempts: (a) farm and ranch buildings; (b) mining buildings on mining property; (c) petroleum refineries and pulp and paper mills (except office and shop buildings); (d) residential buildings containing less than five dwelling units (except when serving transient guests); and (e) private garages and private storage buildings used for the owner's own use (not part of a commercial enterprise or business) from the need to obtain a state building permit.”
    • Conditional — Montana construction-contractor registration/licensing exemptions applicable to an owner working on the owner's property, including in Mineral County.
      “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 who is otherwise covered by this chapter who constructs an improvement on the owner's property with the intention and for the purpose of promptly selling the improved property, unless the owner has continuously occupied the property as the owner's primary residence for at least the last 12 months;”
    • 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”
  • Building code adoptedAdopted (with conditions)

    Montana's uniform state building code for residential and commercial buildings statewide.

    • The currently listed codes are amended and adopted through Administrative Rules of Montana Title 24, Chapter 301.
    • Cities, counties, and towns may enforce local building codes, all or in part, only through certified local building-code-enforcement programs.
    • State-owned agencies must be permitted through the Montana Department of Labor and Industry.
    • The listed 2021 International Building, Residential, and Existing Building Codes and related codes are effective June 11, 2022; the listed ASME boiler and pressure-vessel codes are effective November 6, 2021.

    International Building Code edition: 2021 · International Residential Code edition: 2021 · effective date for listed principal codes: 2022-06-11 (ASME boiler and pressure-vessel codes listed on the official page are effective 2021-11-06)

    “In addition, the program is responsible for adopting a uniform state building code, which is enforced statewide for residential and commercial buildings across Montana.”
    One more reviewed finding on this topic
    • Partial — Montana's statewide building-code framework for residential and commercial construction.
      “In Montana, cities, counties and towns have the option to enforce local building, electrical, plumbing, and mechanical codes, all or in part (except for state-owned agencies, which must be permitted through this Department). These local building code enforcement programs must be certified by the BC Program. The remaining cities, counties and towns that have chosen not to enforce building codes, fall under the jurisdiction of the BC Program. [...] the program is responsible for adopting a uniform state building code, which is enforced statewide for residential and commercial buildings across Montana.”
  • 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 Mineral County subject to a state building permit and located outside a certified local government building-code jurisdiction.
      “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.”
  • Living in an RVLimited

    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.
    • On leased or licensed land, the stay limit is 2 days.
    • On unleased or unlicensed land, the stay limit is 16 days within a 30-day period.
    • Within a designated campground, the stay limit is 16 days within a 30-day period.
    • The local DNRC field office should be contacted to confirm whether land is leased.
    • Pets must be leashed or otherwise controlled.
    • Overnight horses must be restrained, may not remain in a stream riparian zone for more than one hour, and must use certified weed-seed-free feed.
    • Campfires are generally permitted within designated campgrounds and on unleased or unlicensed land but are not allowed on leased land.
    • Cutting firewood requires a separate permit from the local DNRC field office, and fireworks are not allowed on state land.
    • State Parks, Fishing Access Sites, and Wildlife Management Areas are managed by Montana Fish, Wildlife and Parks rather than under this DNRC camping page.

    RV/trailer distance from customary access point: <= 50 ft (Motorized vehicles must be parked within 50 feet; the page states the camper or trailer may not be driven farther to set it up.) · maximum stay on leased or licensed land: 2 days · maximum stay on unleased or unlicensed land: 16 days within a 30-day period · maximum stay within designated campground: 16 days within a 30-day period

    “TRAILER/RV etc. Camp within 50 ft of a customary access point. Motorized vehicles must be parked within 50 ft of a customary access point. You may not drive further to set up a camper or trailer. 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”
  • Manufactured homesAllowed (with conditions)

    Manufactured housing used as residential housing within Montana municipalities that exercise zoning powers under MCA Title 76, chapter 2, part 3.

    • Municipal zoning regulations may not treat manufactured housing or factory-built housing units differently from other residential units.
    • Placement remains subject to applicable municipal zoning districts, permits or variances where required, building-code requirements, and other applicable health and safety rules.
    • The statute defines manufactured housing as a single-family dwelling built offsite in a factory and compliant with applicable prevailing HUD standards; a manufactured home does not include a mobile home or housetrailer as defined in 15-1-101, MCA.
    • The source addresses municipal zoning and does not establish unrestricted occupancy on unzoned or county land statewide.
    “Zoning regulations adopted under this part may not treat manufactured housing or factory-built housing units differently from any other residential units.”
  • Accessory dwellingsAllowed (with conditions)

    Accessory dwelling units in jurisdictional areas where a Montana county has established zoning regulations under MCA Title 76, chapter 2, part 2.

    • The county zoning regulations must allow at least one accessory dwelling unit by right on a lot or parcel containing a single-family dwelling.
    • The unit may be attached, detached, or internal.
    • The county may not require owner occupancy, a familial, marital, or employment relationship between occupants, or impact fees; private restrictive covenants remain possible but cannot be required as a permit, license, or use condition.
    • A county may charge up to $250 for a one-time ADU application-review fee, in addition to usual building fees.
    • Applicable building codes, fire codes, and public-health and safety regulations still apply.
    • The county may require expedited sanitation review for an ADU on a parcel with existing public water and wastewater capacity; the 15-day expedited-review provision terminates September 30, 2029.
    • The statute applies to a county that exercises zoning powers; it does not itself create county zoning where none exists.

    maximum one-time application-review fee: <= 250 USD (Usual building fees may also be required.) · expedited sanitation review: 15 days (Parcel must have existing public water and wastewater service with capacity.)

    “In jurisdictional areas where the board of county commissioners has established zoning regulations under this part, the regulations must allow a minimum of one accessory dwelling unit by right on a lot or parcel that contains a single-family dwelling.”
    One more reviewed finding on this topic
    • Allowed (with conditions) — Accessory dwelling units in Montana municipalities that exercise zoning powers under MCA Title 76, chapter 2, part 3.
      “A municipality shall adopt regulations under this chapter that allow a minimum of one accessory dwelling unit by right on a lot or parcel that contains a single-family dwelling.”
  • 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.”
    2 more reviewed findings on this topic
    • Limited — New or expanded groundwater uses and wells serving property in Mineral County, Montana, under Montana water-right law.
      “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.”
    • 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.”
  • Agricultural exemptionAvailable

    Farm and ranch buildings in Mineral County areas under the State Building Codes Bureau's jurisdiction.

    • The exemption applies to the need to obtain a state building permit.
    • The rule applies in the State's jurisdiction; certified city, county, or town programs may have jurisdiction in their certified areas.
    • The source separately lists other exemptions and exceptions, including petroleum refineries and pulp and paper mills except office and shop buildings, residential buildings containing fewer than five dwelling units except when serving transient guests, and private garages and private storage buildings used for the owner's own use that are not part of a commercial enterprise or business.
    “In the State's jurisdiction, state law exempts the following from the need to obtain state building permits: 1. farm and ranch buildings”
  • Driveway accessRequired

    New or modified approaches connecting property to a Montana state highway, including such approaches in Mineral County.

    • An approach permit or a right-of-way agreement is required.
    • A new approach permit is required when the use of property abutting a state highway changes or an existing approach changes use.
    • The landowner is responsible for obtaining the new permit when the property or approach use changes.
    • The landowner is the proper applicant and must sign an application prepared by another person before review and approval.
    • The appropriate MDT District Office determines whether an approach permit can be granted or whether the Systems Impact Process is necessary.
    • Approaches on an existing or proposed access-control highway, generating significant traffic volume, or having significant environmental impacts must follow the Systems Impact Process.
    • The applicant must provide a dimensional site plan; individual residential or farm-field approaches may use a simplified drawing supplemented by photographs.
    • The applicant must submit an Environmental Checklist Form and may not begin construction until it is reviewed and approved as necessary and requested approval conditions are incorporated.
    “ALL NEW OR MODIFIED APPROACHES REQUIRE EITHER AN APPROACH PERMIT OR A RIGHT-OF-WAY AGREEMENT. CHANGES IN THE USE OF PROPERTY ABUTTING A STATE HIGHWAY OR CHANGE IN USE OF AN EXISTING APPROACH REQUIRE A NEW APPROACH PERMIT.”
    One more reviewed finding on this topic
    • Limited — New or modified driveway approaches intersecting Montana state highways, and changes in use of property abutting a state highway or an existing approach.
      “ALL NEW OR MODIFIED APPROACHES REQUIRE EITHER AN APPROACH PERMIT OR A RIGHT-OF-WAY AGREEMENT.”
  • Short-term rentalsLimited

    Short-term rentals operated in Montana.

    • A Property Manager license is required unless the operator qualifies for an exemption under MCA § 37-56-104 or MCA § 50-51.
    • Local land-use, lodging, tax, and public-accommodation requirements may also apply.

    application fee: 50 USD

    “Short Term Rentals: A Property Manager license is required for short term rentals unless an operator qualifies for an exemption”
  • Campground & park staysLimited

    Camping in Montana Fish, Wildlife & Parks public-use sites.

    • Camping is prohibited except in areas specifically designated or marked for camping.
    • A camping unit, vehicle, equipment, or personal items may not be left overnight without a person present.
    • Camping longer than 7 nights at one or more campsites in a public use area during any consecutive 30-day period is prohibited unless otherwise posted by the department.
    • Designated occupancy limits must not be exceeded.
    • Special-use-permit terms must be followed unless otherwise posted.
    • Campsites must be vacated by 1 p.m. on the day of departure; camping facilities must be vacated by 12 p.m. on the day of departure.

    maximum camping duration: <= 7 nights per consecutive 30-day period (unless otherwise posted by the department) · campsite departure time: 1 p.m. · camping-facility departure time: 12 p.m.

    “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;”
    One more reviewed finding on this topic
    • 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.”

Inside cities and towns in Mineral County

Municipal rules found while researching the county. They apply inside that city or town, not to unincorporated land.

  • Local zoningPresent (with conditions)

    Land, buildings, structures, and uses within the Town of Alberton, Montana, as shown on the Official Zoning Map.

    • The ordinance was adopted under Ordinance No. 13 on November 5, 2013.
    • Permitted uses require application and approval of a zoning compliance permit.
    • Conditionally permitted uses require application and approval of a conditional use permit.
    • Development that is a subdivision under the Montana Subdivision and Platting Act must also comply with the Mineral County and towns’ subdivision regulations.
    “This ordinance shall apply to all land, buildings, structures, and uses thereof located within the Town of Alberton, as shown on the Official Zoning Map.”
    2 more reviewed findings on this topic
    • Present (with conditions) — Land, buildings, structures, and uses located within the Town of Alberton, Mineral County, Montana.
      “This ordinance shall apply to all land, buildings, structures, and uses thereof located within the Town of Alberton, as shown on the Official Zoning Map.”
    • Present (with conditions) — Land, buildings, structures, and uses located within the Town of Alberton as shown on the Official Zoning Map.
      “This ordinance shall apply to all land, buildings, structures, and uses thereof located within the Town of Alberton, as shown on the Official Zoning Map.”
  • Zoning districtsPublished (with conditions)

    The Town of Alberton zoning jurisdiction.

    • The ordinance states that district locations and boundaries are shown on the Official Planning and Zoning Map on file in the Town Clerk's office.
    • Permitted uses require application and approval of a zoning compliance permit.
    • Conditional uses require application and approval of a conditional use permit.
    • Subdivision development must also comply with applicable Mineral County and town subdivision regulations.
    “The following zoning districts and their boundaries, as shown on the Official Planning and Zoning Map, are established: 1. Residential 1 (R-1) 2. General Commercial (GC) 3. Public/Open Space (P)”
  • Minimum lot sizeSpecified

    Permitted and other uses in the Town of Alberton Residential 1 (R-1) zoning district.

    • Except as provided in subsections (b) and (e), the minimum lot size for permitted uses is 5,000 square feet with a minimum lot width of 34.5 feet.
    • Two-family and multiple-family dwellings require 5,000 square feet per dwelling unit and a minimum lot width of 50 feet.
    • All other land uses require a minimum lot size of 20,000 square feet.
    • Existing recorded lots are exempt from the area requirements, but no new noncompliant lots may be created.
    • Mobile home parks are governed by Section 13.0503.

    minimum lot size for permitted uses: 5000 square feet (Except as provided in 13.0207(3)(b) and (e).) · minimum lot width for permitted uses: 34.5 feet (Except as provided in 13.0207(3)(b) and (e).) · minimum lot area for two-family and multiple-family dwellings: per 5000 square feet per dwelling unit · minimum lot width for two-family and multiple-family dwellings: 50 feet · minimum lot size for all other land uses: 20000 square feet

    “Except as provided in (b) and (e) below, the minimum lot size required for all permitted uses is 5,000 square feet with a minimum lot width of 34.5 feet”
    2 more reviewed findings on this topic
    • Specified — Development within the Town of Alberton's zoning jurisdiction.
      “Except as provided in (b) and (e) below, the minimum lot size required for all permitted uses is 5,000 square feet with a minimum lot width of 34.5 feet”
    • District specific (with conditions) — Development in the Residential 1 (R-1) district within the Town of Alberton, as shown on the Official Zoning Map.
      “Except as provided in (b) and (e) below, the minimum lot size required for all permitted uses is 5,000 square feet with a minimum lot width of 34.5 feet”
  • SetbacksDistrict specific (with conditions)

    Development in the Residential 1 (R-1) district within the Town of Alberton, as shown on the Official Zoning Map.

    • A zoning compliance permit requires application and approval for a permitted use; a conditional use requires a conditional-use permit.
    • For R-1, accessory buildings other than garages may be no closer than 3 feet rear and 5 feet front and sides; garages must be 15 feet when entered from the alley and 5 feet when not entered from the alley.
    • The Town Council may grant a reasonable variance when listed setbacks cannot be met on existing lots.

    R-1 front setback for permitted uses: 15 feet (Measured from the right-of-way of streets and highways.) · R-1 front setback for conditional uses: 20 feet (Measured from the right-of-way of streets and highways.) · R-1 rear setback for permitted uses: 5 feet · R-1 rear setback for conditional uses: 20 feet · R-1 side-yard setback: >= 7.5 feet (Must also be at least one-third of building height; street-side yard parallel to an alley or on a corner lot must be at least 10 feet.)

    “The minimum front yard setback from the right-of-way of streets and highways for all structures shall be 15 feet for permitted uses, 20 feet for conditional uses.”
    One more reviewed finding on this topic
    • Specified — Structures and accessory buildings within the Town of Alberton's zoning jurisdiction.
      “The minimum front yard setback from the right-of-way of streets and highways for all structures shall be 15 feet for permitted uses, 20 feet for conditional uses.”
  • Living in an RVLimited

    Use of a recreational vehicle as a camp facility for outdoor living within the Town of Superior.

    • Camping on private property requires the explicit permission of the property owner or authorized representative.
    • Camping in a public place is restricted from May 1 through October 1 unless specifically authorized.
    • Camping in a public place is restricted between 10:00 PM and 6:00 AM from October 2 through April 30 unless specifically authorized.
    • Specific authorization may be obtained from the appropriate public agency.
    • Sink water or sewage from a vehicle designed for camping must be deposited only at a disposal site approved by the Mineral County Environmental Health and Planning Department under the Mineral County Wastewater Treatment System Regulations.
    “C) Camp- means to pitch or occupy camp facilities; or to use camp paraphernalia, for living purposes in an outdoor area. The act of sleeping on its own does not constitute camping. D) Camp facilities- include, but are not limited to, tents, recreational vehicles, other vehicles, huts, unapproved shacks or temporary shelters. [...] Section 3. Unlawful Camping. It shall be unlawful for any person to camp within the Town of Superior: A) At any time on private property without the explicit permission of the property owner or their authorized representative. B) In or upon any public place, unless otherwise specifically authorized, from May 1 through October 1 of each year. C) In or upon any public place, unless otherwise specifically authorized, between the hours of 10:00 PM and 6:00 AM, from October 2 through April 30 of each year. Specific authorization may be obtained from the appropriate public agency. Section 4. Unlawful Waste Disposal. It is unlawful for any person to dump or deposit any sink water or sewage from a motor vehicle or vehicle designed for camping anywhere except in a disposal site approved by the Mineral County Environmental Health and Planning Department in accordance with the Mineral County Wastewater Treatment System Regulations.”
  • Camping on your landLimited

    Temporary camping within the Town of Superior.

    • Private-property camping requires explicit permission of the property owner or authorized representative.
    • Public-place camping is not allowed from May 1 through October 1 unless specifically authorized.
    • Public-place camping is not allowed between 10:00 PM and 6:00 AM from October 2 through April 30 unless specifically authorized.
    • Specific authorization may be obtained from the appropriate public agency.
    • Violations after a 24-hour period may result in escalating fines: up to $100 for a first conviction, up to $200 for a second conviction within one year, and penalties under Section 1.08.010 for a third or subsequent conviction within one year.
    “Section 3. Unlawful Camping. It shall be unlawful for any person to camp within the Town of Superior: A) At any time on private property without the explicit permission of the property owner or their authorized representative. B) In or upon any public place, unless otherwise specifically authorized, from May 1 through October 1 of each year. C) In or upon any public place, unless otherwise specifically authorized, between the hours of 10:00 PM and 6:00 AM, from October 2 through April 30 of each year. Specific authorization may be obtained from the appropriate public agency. [...] Section 5. Violations; Penalties. Unless otherwise provided, any person who violates this Section, after a twenty-four (24) hour period, shall be punishable as follows: A) Upon the first conviction, by a fine of not more than $100. B) Upon the second conviction, within one year after the first conviction, by a fine of not more than $200. C) Upon a third or subsequent conviction, within one year after the first, shall be punishable as provided in Section 1.08.010 of the Town Code.”
  • Manufactured homesLimited

    Manufactured or mobile-home residential occupancy within the Town of Alberton.

    • A manufactured home treated as a single-family dwelling must comply with the National Manufactured Home Construction and Safety Standards Act or Uniform Building Code at production, be at least 1,000 square feet, be attached to a permanent foundation, be connected to public water and sewer where available, have a pitched roof, eaves, and customary site-built-home siding, and have been factory-built on or after January 1, 1990.
    • Recreational vehicles, mobile homes, and travel trailers are not single-family dwellings for purposes of the ordinance.
    • Mobile homes used for residential purposes at ordinance passage may continue subject to the ordinance's replacement and setback conditions.
    • A replacement mobile home requires a zoning permit and must meet applicable setbacks or not infringe the original mobile home's setbacks.
    • On a single lot, a removed mobile home must be replaced by a double-wide at least 20 feet wide and 40 feet long, permanently affixed by permanent foundation, and qualified for VA or FHA financing.
    • Mobile-home parks must contain at least 3 acres, may have no more than 11 mobile homes per acre, and must provide at least 3,000 square feet per mobile home, plus the listed setbacks, parking, utility, age, and other standards.

    minimum manufactured-home floor area: >= 1000 sq ft · replacement double-wide width: >= 20 ft (single-lot replacement) · replacement double-wide length: >= 40 ft (single-lot replacement) · mobile-home park minimum area: >= 3 acres · mobile homes per acre in park: <= 11 homes/acre · mobile-home park minimum lot size: >= 3000 sq ft

    “Dwelling, Single Family – A detached building designed for occupancy by one family or household. Also includes manufactured homes that (a) comply with the National Manufactured Home Construction and Safety Standards Act or the Uniform Building Code at the time of production, (b) are at least 1,000 square feet in size, (c) are attached to a permanent foundation, (d) are connected to public water and sewer where available, (d) have a pitched roof, eaves and siding materials that are customarily used on site-built homes in the Town of Alberton, and (e) are built offsite in a factory on or after January 1, 1990. Recreational vehicles, mobile homes and travel trailers are not single family dwellings for the purposes of this ordinance.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission — ask the county directly.

  • Minimum dwelling size — Minimum dwelling-size requirements within the Town of Alberton.
  • Tiny homes — Occupancy of a tiny house as a dwelling in unincorporated Mineral County, Montana.
  • Mandatory utility hookup — Whether property must connect to public water, public sewer, both, or neither in Mineral County, Montana.

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 Mineral County, Montana

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

Mineral County scores 75/100 on the Bolthole Index, a strong county profile. Its strengths: deep seclusion — about 1,731 people within a 30-minute drive and a stronger property-autonomy legal backdrop. Watch-outs: limited workable ground: 8.1% at 15% slope or less and 0.1% without a severe conventional-septic limitation.

Do you need a building permit in Mineral County, Montana?

Mineral 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 Mineral County Environmental Health and Planning. 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 Mineral County?

Living in an RV on your own land in Mineral 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. Confirm with the county before relying on it.

How much does land cost in Mineral County, Montana?

Land in Mineral County runs about $5,629 per acre, based on the latest county data.

What is the water situation in Mineral County?

Mineral County gets about 38.2" of rain a year, with severe drought in roughly 14.5% of years.

How remote is Mineral County?

A representative private-land location has about 1,731 people within a 30-minute drive and 479,032 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 Mineral compares in Montana

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