Bolthole Index

Flathead County, Montana

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

68Index Score / 100
#19 of 56 in Montana

Unincorporated Flathead County, Montana does not require a county building permit, but state building permits and county site-plan review may still apply12. County zoning does not cover every unincorporated parcel, and district rules can control uses and dimensions3456. Flathead County Environmental Health issues required septic permits for new and replacement systems78.

At a glance

Building permit
Not required in unincorporated Flathead County; state permits and county site-plan review may still apply910
Zoning
Not countywide; where county zoning applies, uses, setbacks, height and lot coverage vary by district3456
Septic permits
Required through Flathead County Environmental Health for new and replacement systems87
Owner-builder
You may build your own home in unincorporated areas; state trade licensing may still apply11
RV living
District-specific: Little Bitterroot Lake separates shorter and longer stays; North Fork distinguishes private from public use121314
Tiny homes
County-zoned districts may allow a 350–750-square-foot tiny dwelling on a permanent foundation where single-family dwellings are permitted1516
Wells
A Montana permit exception has flow and annual-volume limits, plus notice and completion filings17
Floodplain
Development in a designated Special Flood Hazard Area requires a local floodplain permit18

Who to call

Building permits

Montana Department of Labor & Industry - Building Codes Bureau

State building-code questions, permits and inspections for covered projects; Flathead County Planning & Zoning handles any required county site plan review

406-841-2056

301 S Park Ave, Helena MT, 4th Floor

Online permits →

Zoning

Flathead County Planning & Zoning Department

Zoning, site plan review, subdivision and floodplain questions for unincorporated Flathead County

(406) 751-8200

40 11th Street West, Suite 220, Kalispell, MT 59901

Septic permits

Flathead City-County Health Department - Environmental Health

Septic permits, existing-permit lookups, groundwater monitoring, installer licensing and septic complaints

(406) 751-8130

40 11th St W, Suite 210, Kalispell, MT 59901

Floodplain permits

Flathead County Planning & Zoning - Floodplain Administration

Floodplain administration through the Planning & Zoning Department

(406) 751-8200

40 11th Street West, Suite 220, Kalispell, MT 59901

Roads & driveways

Flathead County Road and Bridge Department

County-road questions, including approach encroachments and utility encroachments

(406) 758-5790

1249 Willow Glen Drive, Kalispell, MT 59901

Online permits →

Contact details are copied from each office’s official page and were checked against it on October 12, 2026.

Off-grid gear

Going off-grid in Flathead 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 Flathead County, Montana?

Unincorporated Flathead County does not require a county building permit for construction1. County site-plan review is still required before construction in the BS, BR-4, HO, I-1H and WV zones, although WV review applies only to neighborhood convenience stores2. Montana administers building codes in Flathead County outside certified local programs; the 2024 state codes took effect September 26, 20261920. In state jurisdiction, state law exempts farm and ranch buildings, qualifying owner-use garages and storage buildings, and qualifying residential buildings unless they serve transient guests21. A covered project must receive its state building permit before related plumbing, mechanical or electrical permits and before that work begins22. An owner may build a home in unincorporated Flathead County without seeking an owner-builder exemption from a county permit that is not required, though state trade licensing can still matter11.

Who handles Flathead County building permits and zoning questions?

Flathead County has no building department; the Montana Department of Labor & Industry Building Codes Bureau handles covered state building permits and has a local inspector23. Reach the bureau at 406-841-2056 or use its eBiz application portal23. Flathead County Planning & Zoning handles parcel zoning and site-plan questions at (406) 751-820024. Inside Kalispell and Whitefish, city offices issue required building permits; septic permits remain with Flathead County Environmental Health252627. Flathead County publishes planning, zoning, subdivision and floodplain fees, plus a separate septic fee schedule; we could not confirm amounts, so ask Planning & Zoning or Environmental Health for the applicable charge28292430. State plan review costs 35% of the state building-permit fee in addition to that fee31. State building-permit holders must notify the inspector when work is ready and provide inspection access32.

Does Flathead County have zoning?

County zoning applies to mapped districts in unincorporated Flathead County, with some areas unzoned; use Flathead County Interactive Mapping to find the applicable regulations333. Setbacks, height, story limits and impervious-surface coverage depend on the district343536. The R-1 district requires at least 1 acre and generally 150 feet of lot width, with a 60-foot cul-de-sac width exception37. The Canyon Area Land Use Regulatory System (CALURS) requires at least 6,000 square feet and 50 feet of front lot width for a new structure requiring water or sewer38. CALURS new land divisions require at least 6,000 square feet within designated community and service centers; outside those centers, minimums are 10 acres in Middle Canyon, Upper Canyon, Nyack, Pinnacle and Essex, and 20 acres in Bear Creek3940. Kalispell, Whitefish and Columbia Falls administer city zoning; septic permitting remains with Flathead County Environmental Health41424327.

How do septic permits work in Flathead County?

Flathead County Environmental Health requires a septic permit to construct, alter, perform major repairs on or operate an onsite sewage treatment system; municipal- and sewer-district-owned systems are excepted44. Reach Environmental Health at (406) 751-8130 for applications and existing-permit lookups30. Complete a Land Research Request and wait for the county response before applying; engineers and consultants may skip that step with a complete, documented application458. Properties over 20 acres without previous approval generally use Site Evaluation; most properties under 20 acres with prior approval use Site Review8. A Certificate of Subdivision Approval does not replace a local septic permit for drainfield installation or modification46. Flathead County Environmental Health reviews proposed subdivisions with lots under 20 acres for sanitation compliance under contract with Montana DEQ, including water supply, wastewater, drainage and well separation47. Public-sewer connection is generally required when an approved line is readily available within 200 feet of the property line and the utility approves, subject to exceptions48. Only 2.2% of county soils are rated “not limited” for conventional drain fields; site evaluation may identify an engineered solution rather than rule out septic49.

Can you live in an RV or tiny home in Flathead County?

The Little Bitterroot Lake district permits occasional private RV occupancy up to 90 days per calendar year with legal sewage disposal; permanent residence is excluded12. Little Bitterroot Lake RV stays of 91 days or more are conditional uses; construction occupancy needs an Administrative Conditional Use Permit and is capped at 12 months12. Little Bitterroot Lake RV setbacks are 50 feet front and from the lake or a year-round stream, 10 feet each side, and 20 feet rear and side-corner; only 1 RV may be stored outside a garage12. Ashley Lake excludes permanent RV residence, limits placement to 2 RVs and requires setbacks; undeveloped-land use needs an administrative conditional-use application and adequate wastewater facilities50. North Fork lists private RV/camping use as permitted and public use as conditional1314. LaBrant/Lindsey Lane and Rogers Lake permit temporary private RV/camping use without a stated duration in those use provisions5152. County zoning allows tiny dwellings where single-family dwellings are permitted: 350–750 square feet on a permanent foundation16. CALURS uses the same tiny-dwelling definition; neither definition establishes a minimum size for ordinary homes5315.

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

  1. Confirm whether the parcel is inside a city, in a county zoning district or in an unzoned area54.
  1. If county zoning applies, obtain the district's use, setback, height and lot-coverage rules and ask whether site-plan review is required5545610.
  1. Ask Environmental Health whether public-sewer connection is required; otherwise complete the Land Research Request and follow the county's Site Evaluation or Site Review path4856.
  1. Ask the Floodplain Administrator whether the site is in a designated Special Flood Hazard Area before placing fill or beginning development1857.
  1. Confirm legal access: creating, changing or improving access to a county road generally requires a county approach permit, while a state-highway approach needs state approval5859.
  1. For a non-exempt state project, submit plans and the Building Permit/Plan Review Application; the bureau calculates valuation and fees, resolves plan comments, and issues the permit after fees are paid60.

What should you check before buying land in Flathead County?

Confirm whether county or municipal zoning applies, then obtain the parcel's use, setback, height, lot-coverage and site-plan rules before treating the absence of a county building permit as approval for a design544569. Check whether a land division needs subdivision review and whether the parcel's Certificate of Subdivision Approval restricts another dwelling6162. Check mapped flood hazards with the Floodplain Administrator and verify road access with the relevant road authority5758. If a well is planned, Montana's permit exception is limited to 35 gallons per minute and 10 acre-feet per year, with notice and completion filings required17. We could not confirm whether off-grid sanitation systems are allowed; ask Flathead County Environmental Health before designing one30.

Watch-outs

  • No county building permit does not mean no review: state building permits, county site-plan review and septic approval may still apply108.
  • County zoning is not universal in unincorporated Flathead County; verify the parcel's mapped status before relying on any district rule3.
  • Adding a tiny home or RV site can count as a second dwelling and violate a parcel’s Certificate of Subdivision Approval; a restrictive approval requires a Montana DEQ rewrite before adding a dwelling62.
  • Short-term rentals are allowed only in specified zones and may require conditional-use approval, performance standards, licensing and neighbor notice63.

Sources

  1. flatheadcounty.gov, quoted and re-checked
  2. Building Information, quoted and re-checked
  3. Planning & Zoning Department | Flathead County, MT, quoted and re-checked
  4. Zoning Information, quoted and re-checked
  5. Zoning Information, quoted and re-checked
  6. Zoning Information, quoted and re-checked
  7. Sewage and Septic, quoted and re-checked
  8. Sewage and Septic, quoted and re-checked
  9. flatheadcounty.gov, quoted and re-checked
  10. flatheadcounty.gov, quoted and re-checked
  11. Montana law on county zoning and building authority
  12. Flathead County Zoning Regulations, quoted and re-checked
  13. Flathead County Zoning Regulations, quoted and re-checked
  14. Flathead County Zoning Regulations, quoted and re-checked
  15. Flathead County Zoning Regulations, quoted and re-checked
  16. Flathead County Zoning Regulations, quoted and re-checked
  17. Exceptions To Permit Requirements, quoted and re-checked
  18. Stream Permitting (Montana statewide rule), quoted and re-checked
  19. Building Information, quoted and re-checked
  20. Montana Building Codes Program, quoted and re-checked
  21. Building Permits, quoted and re-checked
  22. Building Permits, quoted and re-checked
  23. Montana Department of Labor & Industry - Building Codes Bureau (flatheadcounty.gov)
  24. Flathead County Planning & Zoning Department (flatheadcounty.gov)
  25. Kalispell: Building | Kalispell, MT (Flathead County), quoted and re-checked
  26. Whitefish: Building Permits / Inspections (Flathead County), quoted and re-checked
  27. Sewage & Septic, quoted and re-checked
  28. Documents & Applications, quoted and re-checked
  29. Zoning Information, quoted and re-checked
  30. Flathead City-County Health Department - Environmental Health (flatheadcounty.gov)
  31. Documents & Applications, quoted and re-checked
  32. Building Permits, quoted and re-checked
  33. Zoning Information, quoted and re-checked
  34. Zoning Information, quoted and re-checked
  35. Zoning Information, quoted and re-checked
  36. Zoning Information, quoted and re-checked
  37. Flathead County Zoning Regulations, quoted and re-checked
  38. Canyon Area Land Use Regulatory System (CALURS), quoted and re-checked
  39. Canyon Area Land Use Regulatory System (CALURS), quoted and re-checked
  40. Canyon Area Land Use Regulatory System (CALURS), quoted and re-checked
  41. Kalispell: Chapter 27.02 Establishment of Districts (Flathead County), quoted and re-checked
  42. Whitefish: 11-1-1: Title; Adoption (Flathead County), quoted and re-checked
  43. Columbia Falls: Title 18 Zoning Regulations—Current Regulations (Flathead County), quoted and re-checked
  44. Flathead County Regulations for Onsite Wastewater Treatment Systems, quoted and re-checked
  45. Documents & Applications, quoted and re-checked
  46. Septic Permit Application, quoted and re-checked
  47. Subdivision Review, quoted and re-checked
  48. flatheadcounty.gov, quoted and re-checked
  49. 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
  50. Flathead County Zoning Regulations, quoted and re-checked
  51. Flathead County Zoning Regulations, quoted and re-checked
  52. Flathead County Zoning Regulations, quoted and re-checked
  53. Canyon Area Land Use Regulatory System (CALURS), quoted and re-checked
  54. Zoning Information, quoted and re-checked
  55. Zoning Information, quoted and re-checked
  56. Septic Permit Application, quoted and re-checked
  57. Flathead County Planning & Zoning - Floodplain Administration (flatheadcounty.gov)
  58. County Roadway Permit Applications, quoted and re-checked
  59. Approach Manual for Landowners and Developers (Montana statewide rule), quoted and re-checked
  60. Building Permits, quoted and re-checked
  61. Documents & Applications, quoted and re-checked
  62. Trailer Courts and Campgrounds, quoted and re-checked
  63. Short-term Rentals, quoted and re-checked

Written October 12, 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 4 of its 6 neighbors, Flathead County has no countywide zoning.

RuleFlathead CountyLake CountyGlacier CountyLincoln CountySanders CountyPondera CountyMissoula County
Building permitNot requiredLimitedNot requiredNot requiredLimitedNot requiredRequired
County zoningNoYesYesYesNoNoYes
Septic permitsFlathead City-County Health Dept.County Board of HealthCounty SanitarianCounty Health Dept.County Env. HealthCounty SanitarianMissoula City-County Health Dept.

County locator

Flathead County in Montana

68
County map
Flathead County highlighted among the Montana counties · colored by Index score

How Flathead County scores

Seclusion67100% ev.
Self-Sufficiency44100% ev.
Admin Boringness6890% ev.
Durability47100% ev.
Property Autonomy83100% ev.
Carry Cost53100% 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 →

$654kTypical home
0.6%Property tax
$9,225Land / acre
35.9"Annual rain
12.9% of yrsSevere drought
0.2 / yr (+0.2)Mid-century 100°F days
16.7 daysMid-century dry spell
1.53" (+2.8%)Mid-century 1-day rain
1.4×Wildfire change factor
100%Forward climate coverage
$1,608Home insurance / yr
2.7% / yrInsurance growth
1.18%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
32,751People within 30 min
156,840People within 2 hr
36,998Radius comparison (15 mi)
22.3People / sq mi
75.6%Federal land
22.9%Land at 15% slope or less
2.2%Soils rated "not limited" for septic (strict USDA rating)
56,049 acWorkable land screen
81%Wooded land
34.9 tonsBiomass / forest ac
40.4°FAvg temp

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Cities and towns in Flathead 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.

Answers from the rulebook for Flathead County

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

Flathead County rules

  • Building permitLimited

    County-level construction review in Flathead County.

    • The county has no building department and no county building permit requirement for new construction or remodeling.
    • Site plan review is required before construction in BS, BR-4, HO, I-1H, and WV zones; in WV, it is required only for neighborhood convenience stores.
    • A complete application and detailed site plan must be submitted to the zoning administrator, with an appropriate fee.
    • State building-code permits are administered by the Montana Department of Labor and Industry.
    “At this time, Flathead County does not administer the Uniform Building Code program, nor do we have a building permit requirement for new construction or remodeling.”
    3 more reviewed findings on this topic
    • Not required — County building permits in unincorporated Flathead County
      “county building permits are not required in unincorporated areas of Flathead County.”
    • Not required — County building permits for construction in unincorporated Flathead County.
      “Flathead County does not operate a County Building Department because county voters elected not to establish one. As a result, county building permits are not required in unincorporated areas of Flathead County.”
    • Not required — County building permits for construction in unincorporated Flathead County.
      “As a result, county building permits are not required in unincorporated areas of Flathead County.”
  • Owner-builder exemption · follows from the permit answerNot needed

    Unincorporated Flathead County: no county building permit is required, so there is no permit to be exempt from and you may build your own home. State licensing for electrical, plumbing and HVAC work may still apply.

    • City building departments may have jurisdiction depending on location.
    • State building, electrical, plumbing, mechanical, elevator, and boiler codes may still apply.
    “county building permits are not required in unincorporated areas of Flathead County.”
  • County-wide zoningAbsent (with conditions)

    County zoning coverage across Flathead County.

    • Flathead County has zoning regulations and zoning-designated areas, but the official county planning page expressly identifies applicable unzoned areas.
    • Questions concerning property within city limits must be directed to the appropriate city planning office.
    • The claim means zoning is not uniformly countywide, not that no county zoning exists.
    “Buildings for Lease or Rent (BLR) Learn about Buildings for Lease or Rent (BLR) in applicable unzoned areas of the county.”
  • Local zoningVaries (with conditions)

    Aggregate conclusion for county zoning, incorporated-city planning jurisdictions, and other local zoning areas in Flathead County.

    • The county page directs inquiries within city limits to the appropriate city planning office.
    • County zoning applies where a county zoning district has been created; incorporated municipalities may administer their own zoning.
    “*If you have questions regarding something within city limits, please contact the appropriate city planning office. You can find contact information here.”
  • Zoning districtsPublished

    Flathead County zoning districts and maps.

    • District-specific rules, uses, setbacks, and other regulations must be checked for the applicable property.
    • The zoning regulations were revised May 21, 2026, according to the document cover.
    “CHAPTER III - ESTABLISHMENT AND DEFINITION OF DISTRICTS”
    One more reviewed finding on this topic
    • Published — County zoning districts and applicable regulations in unincorporated Flathead County.
      “To look up your zoning please go to Flathead County's Interactive Mapping website.”
  • Minimum dwelling sizeSpecified

    Tiny dwelling units under Flathead County Zoning Regulations.

    • This measurement applies to the county-defined tiny dwelling unit category, not necessarily to every dwelling type.
    • The unit must be on a permanent foundation and used as a single-family dwelling.
    • The underlying zoning district must permit the use.

    minimum tiny dwelling area: >= 350 square feet · maximum tiny dwelling area: <= 750 square feet

    “8.05.165 Dwelling Unit, Tiny - A residential dwelling unit that is 350 to 750 square feet, is on a permanent foundation, and is used as a single-family dwelling.”
    One more reviewed finding on this topic
    • Specified — The defined tiny dwelling unit category within the CALURS jurisdiction.
      “7.12 DWELLING UNIT, TINY: A residential dwelling unit that is 350 to 750 square feet, is on a permanent foundation, and is used as a single-family dwelling.”
  • Minimum lot sizeDistrict specific (with conditions)

    New land divisions outside designated community centers and service centers in the CALURS regions and areas.

    • Middle Canyon Region: 10 acres.
    • Upper Canyon Region: 10 acres.
    • Nyack Area: 10 acres.
    • Pinnacle Area: 10 acres.
    • Essex Area: 10 acres.
    • Bear Creek Area: 20 acres.
    • Summit Mountain Area: not applicable under this table.
    • These are CALURS minimum lot sizes for new land divisions; other applicable rules may impose greater restrictions.

    minimum lot size: 10 acres (Applies to Middle Canyon, Upper Canyon, Nyack, Pinnacle, and Essex areas.) · minimum lot size: 20 acres (Applies to Bear Creek Area.)

    “Outside designated community centers and service centers minimum lot sizes shall be as follows: Region Minimum Lot Size Middle Canyon Region 10 acres Upper Canyon Region 10 acres Nyack Area 10 acres Pinnacle Area 10 acres Essex Area 10 acres Bear Creek Area 20 acres Summit Mountain Area Not Applicable”
    3 more reviewed findings on this topic
    • Specified — Lots in the Flathead County R-1 Suburban Residential zoning district.
      “3.10.040 Bulk and Dimensional Requirements (R-1). 1. Minimum Lot Area: 1 acre. 2. Minimum Lot Width: 150 feet. Cul-de-Sacs: 60 feet.”
    • Specified — New land divisions within designated community centers and service centers governed by CALURS.
      “Within designated community centers and service centers minimum lot sizes for new land divisions shall be 6,000 sq. ft.”
    • Specified — Placement, siting, or erection of a new structure requiring water or sewer, including a single-family dwelling, within the CALURS jurisdiction.
      “The minimum lot size for the placement, siting, or erection of any new structure requiring water or sewer, including single family dwellings, shall be 6,000 square feet with a minimum front lot width of 50 feet.”
  • SetbacksSpecified

    Zoned property in Flathead County

    • The applicable setback depends on the mapped zoning district and property location; the county page directs users to the applicable district regulations.
    • City-limit properties may be governed by city planning offices.
    “uses allowed, setbacks, and other regulations.”
    One more reviewed finding on this topic
    • Specified — Setbacks under applicable Flathead County zoning districts.
      “Once you find your zoning on the Flathead County GIS, you can look at the applicable zoning regulations on the right of this page for uses allowed, setbacks, and other regulations.”
  • Lot coverageSpecified

    Zoned property in Flathead County

    • The county zoning purpose statement identifies regulation of the percentage of a lot covered by impervious surfaces; the numeric limit must be taken from the applicable district regulation.
    “percentage of a lot that may be covered by impervious surfaces”
    One more reviewed finding on this topic
    • Specified — Lot coverage under applicable Flathead County zoning districts.
      “to regulate and restrict the height, number of stories, and size of buildings and other structures, the percentages of a lot that may be covered by impervious surfaces, the size of yards and other open spaces”
  • Building heightSpecified

    Zoned property in Flathead County

    • The county zoning purpose statement identifies regulation of height and number of stories; the numeric limit must be taken from the applicable district regulation.
    “To regulate and restrict the height, number of stories, buildings, and other structures, the percentage of a lot that may be covered by impervious surfaces, the size of yards and other open spaces, the location and use of buildings, structures, and land for trade, industry, residences, and/or uses; and”
    One more reviewed finding on this topic
    • Specified — Building height and number-of-stories controls under applicable Flathead County zoning districts.
      “to regulate and restrict the height, number of stories, and size of buildings and other structures”
  • Living in an RVAllowed

    Use of a recreational vehicle as a dwelling unit for an occasional, private, infrequent use in the Little Bitterroot Lake (LBL) zoning district for a stay of 90 days or less in a calendar year.

    • The rule applies to the occasional placement of a single recreational vehicle on a parcel that may or may not contain an existing residence, for private use of the owner, guest, or visitor, and not as a permanent residence.
    • The recreational vehicle must meet the district setbacks: front 50 feet, side 10 feet each, side corner 20 feet, rear 20 feet, and 50 feet from a lake or year-round stream.
    • The stay must be 90 days or less in a calendar year.
    • Legal and appropriate sewage disposal is required.
    • Only one recreational vehicle may be stored on property unless it is enclosed in a garage.
    • A recreational vehicle used as a temporary dwelling during construction of a permanent residence may not exceed 12 months and may require an Administrative Conditional Use Permit.
    • The regulation states that it is intended for infrequent family gatherings, special events, and holidays and is not to be construed to allow a de facto recreational vehicle park.
    • The source is marked REVISED: MAY 21, 2026; that revision notation is not treated as an effective date.

    maximum stay: <= 90 days per calendar year · maximum stored recreational vehicles: 1 vehicle (unless enclosed in a garage) · temporary dwelling during construction: <= 12 months (may be permitted subject to issuance of an Administrative Conditional Use Permit) · front setback: 50 feet · side setback: 10 feet each · side corner setback: 20 feet · rear setback: 20 feet · lake or year-round stream setback: 50 feet

    “(1) Length of stay 90 days or less in a calendar year, permitted use; must have legal and appropriate sewage disposal.”
    8 more reviewed findings on this topic
    • Limited — Private recreational-vehicle placement and occupancy in the Ashley Lake zoning district, whether or not the parcel contains a residence, excluding permanent residence use.
      “The placement of recreational vehicle(s) on a parcel of land, which may or may not contain a residence, for private use of the owner or guest and not as a permanent residence shall be regulated as follows:”
    • Limited — Use of a recreational vehicle as a dwelling unit in the Little Bitterroot Lake (LBL) zoning district for a stay of 91 days or more in a calendar year.
      “(2) Length of stay 91 days or more in a calendar year, conditional use.”
    • Limited — Temporary private recreational-vehicle occupancy in the Little Bitterroot Lake zoning district.
      “(1) Length of stay 90 days or less in a calendar year, permitted use; must have legal and appropriate sewage disposal. (2) Length of stay 91 days or more in a calendar year, conditional use.”
    • Allowed — Private temporary recreational-vehicle or camping use in the LaBrant/Lindsey Lane zoning district.
      “9. Temporary recreational vehicle or camping (private use).”
    • Allowed — Private recreational-vehicle or camping use in the North Fork zoning district.
      “13. Recreational Vehicle or Camping (private).”
    • Limited — Public recreational-vehicle or camping use in the North Fork zoning district.
      “12. Recreational Vehicle or Camping (public).”
    • Allowed — Temporary recreational-vehicle or camping use in the Rogers Lake zoning district.
      “7. Temporary recreational vehicle or camping.”
    • Limited — Recreational vehicle park use in the Lakeside zoning district, specifically property abutting U.S. Highway 93 and Stoner Loop between Bierney Creek Road and Ben Williams Lane.
      “3.39.030 Uses Allowed For Property Abutting U.S. Highway 93 And Stoner Loop Between Bierney Creek Road and Ben Williams Lane (Commercial)”
  • Tiny homesLimited

    Adding or renting a tiny home on property in Flathead County.

    • The addition of a tiny home can be considered a second dwelling and may violate the parcel's Certificate of Subdivision Approval (COSA).
    • Most properties have a COSA that often restricts the parcel to a single-family dwelling.
    • Adding a dwelling or living unit to a parcel with that COSA restriction requires rewriting the COSA with Montana DEQ.
    • Structures producing wastewater must have approved wastewater disposal facilities, which may include a permitted onsite wastewater treatment system.
    • Having more than one spot available to rent for a camper, RV, or tent is considered a campground and requires a campground/trailer court license.
    “The addition of an RV site or a tiny home can be considered a second dwelling, which may violate the Certificate of Subdivision Approval (COSA) for the parcel. Most properties have a COSA, which often restricts the parcel to a single-family dwelling. Adding a dwelling or living unit to a parcel with such a COSA restriction requires a rewrite of the COSA with Montana DEQ. Additionally, structures that produce wastewater must have approved wastewater disposal facilities, which may include a permitted onsite wastewater treatment system.”
    One more reviewed finding on this topic
    • Limited — Tiny residential dwelling units in Flathead County county-zoned districts where single-family dwellings are permitted, including the R-1, R-2, R-3, and R-4 districts.
      “8.05.165 Dwelling Unit, Tiny - A residential dwelling unit that is 350 to 750 square feet, is on a permanent foundation, and is used as a single-family dwelling.”
  • Who permits septicMixed (with conditions)

    On-site wastewater and subdivision sanitation review in Flathead County.

    • Flathead County Environmental Health administers septic permitting and sanitation review.
    • The county subdivision review program operates under agreement or contract with the Montana Department of Environmental Quality.
    • The Flathead City-County Board of Health adopted amended septic regulations effective April 1, 2026.
    “Flathead County Environmental Health works under contract with the Montana Department of Environmental Quality to review eligible subdivision applications for sanitation facilities.”
    2 more reviewed findings on this topic
    • County — Flathead County Environmental Health Land and Septic program
      “The Land and Septic program works to reduce contamination of high-quality state waters through education and enforcement of safe practices. This includes environmental analysis, permitting of septic systems, and investigating violations and complaints.”
    • County — Flathead County Environmental Health septic and wastewater program.
      “The Land and Septic program works to reduce contamination of high-quality state waters through education and enforcement of safe practices. This includes environmental analysis, permitting of septic systems, and investigating violations and complaints.”
  • Septic permitRequired

    Construction, alteration, major repair, and operation of sewage treatment systems in Flathead County.

    • The regulations cover all wastewater treatment systems in Flathead County except municipal and publicly owned sewage treatment systems as defined in the regulations.
    • A permit is not a building permit or any other permit that may be required by other agencies to erect a structure.
    • The permit is required unless the system is municipal-owned or Sewer District-owned.
    • Permit applications are made to the Department; individual sewage treatment plans are processed at the county level.
    • Certain multi-user and all public sewage system plans may also be reviewed by the Montana Department of Environmental Quality if required.
    • All new wastewater systems must comply with Montana non-degradation standards unless previously reviewed under the Sanitation in Subdivisions Act.
    • A fee for non-degradation review is assessed under the fee schedule adopted by the governing body.

    permit applicability: construct, alter, perform a major repair, and/or operate any sewage treatment system (municipal or Sewer District owned sewage treatment systems) · regulation effective date: 2026-04-01

    “4.1 A permit issued by the department is required for any person to construct, alter, perform a major repair, and/or operate any sewage treatment system within Flathead County unless the system is either a municipal or a Sewer District owned sewage treatment system.”
    2 more reviewed findings on this topic
    • Required — New residential and commercial septic systems and replacement systems administered by Flathead County Environmental Health.
      “Do not submit a septic permit application until you have completed a Land Research Request and received our response. We will tell you which application process to start with after we review your information.”
    • Required — Residential and commercial septic systems and drainfield installation or modification in Flathead County.
      “A COSA or previous subdivision approval does not replace the need for local permits. For example, a property owner may still need a septic permit before installing or modifying a drainfield.”
  • Mandatory utility hookupConditional

    Connection to an approved public sewer system for property in Flathead County

    • Connection is required when an approved public municipality or sewer-district sewer line is readily available within 200 feet and the publicly owned entity approves.
    • Exceptions include a connection cost greater than three times the cost of an approvable onsite system, physical impracticality, inability to obtain necessary easements, or concurrence by the publicly owned entity with onsite installation or repair.

    sewer-line distance: <= 200 feet (Readily available public sewer line)

    “If an approved public municipality or sewer district sewer line is readily available within 200 feet of the property line”
  • Subdividing landRegulated (with conditions)

    Proposed subdivisions with lots under 20 acres, for sanitation review.

    • Review is for compliance with Montana’s Sanitation in Subdivisions Act.
    • The county review focuses on water supply, wastewater treatment, solid waste disposal, storm drainage, lot layout, setbacks, replacement areas, and separation from wells, surface water, floodplains, and other features.
    • The county works under contract with Montana DEQ.

    lot size threshold: < 20 acres (Proposed subdivisions with lots under 20 acres.)

    “Flathead County Environmental Health reviews proposed subdivisions with lots under 20 acres for compliance with Montana’s Sanitation in Subdivisions Act.”
    One more reviewed finding on this topic
    • Regulated (with conditions) — Subdivision and land-division review in Flathead County.
      “Subdivision Regulations Version X (Effective 10.09.25)”
  • Driveway accessRequired

    Creating, changing, or improving access between private property and a Flathead County road.

    • The source qualifies the requirement as generally required; it does not enumerate exceptions on this page.
    • The permit allows County review of location, drainage, safety, and construction standards before work begins.
    • Applicants must submit a complete application and all required supporting documents.
    • Maps, traffic-control plans, or detour information must be provided when required.
    • Affected agencies must be coordinated with if the project affects traffic or access.
    • Applicants should apply early enough to allow time for review.
    • Each permit has its own application, requirements, and approval conditions.
    “This permit is generally required when creating, changing, or improving access between private property and a county road.”
  • Short-term rentalsLimited

    Short-term rentals in Flathead County zoning and CALURS areas

    • A short-term rental is a residential use for periods of less than 30 days.
    • Administrative conditional-use permits are required in the listed AG, SAG, R, RA, RC, B-3, B-5, B-6, AL, LBL, LL, LS, RL, and WV zones.
    • Short-term rentals are permitted uses in RR, B-2, B-4, BM-1, BM-2, BR-2, BR-4, CVR, SC, and NF zones, subject to Section 5.11 performance standards, a valid Public Accommodations License, a compliance letter, and certified-mail notifications to neighboring properties within 150 feet.
    • Short-term rentals are not allowed in any other zones.
    • In CALURS, Upper Canyon rentals are exempt uses and Middle Canyon rentals require minor land-use review.

    neighbor notification distance: 150 feet (Listed permitted FCZR zones)

    “administrative conditional use permits are required”
  • Permit feesPublished (with conditions)

    County planning, zoning, and septic permit fee schedules.

    • The county zoning page links a fee schedule.
    • The county septic page links a septic fee schedule.
    • No specific fee amount was established from the opened page text.
    “2026 Application Submittal Deadlines Fee Schedule”
    2 more reviewed findings on this topic
    • Published (with conditions) — County planning, zoning, septic, and related permit fees
      “A plan review fee must be paid in addition to the building permit fee. The plan review fee is 35 percent of the building permit fee as established in Table 109.2.”
    • Published — Flathead County planning, zoning, subdivision, floodplain, and related application fees.
      “Fees and Deadlines 2026 & 2027 Application Submittal Deadlines Fee Schedule”
  • Permit processPartial

    County septic permitting and zoning/site-plan review processes.

    • A Land Research Request generally precedes a septic permit application.
    • Complete applications from engineers and consultants may skip the Land Research Request.
    • Site plan review requires a complete application, detailed site plan, and appropriate fee in specified zones.
    • The septic application page provides separate site-evaluation and site-review paths based partly on acreage and prior approval.

    site-evaluation threshold: > 20 acres (Property over 20 acres without previous approval generally uses site evaluation.)

    “Do not submit a septic permit application until you have completed a Land Research Request and received our response. We will tell you which application process to start with after we review your information.”
    One more reviewed finding on this topic
    • Partial — Flathead County planning, zoning, subdivision, floodplain, septic, and related permitting processes
      “Do not submit a septic permit application until you have completed a Land Research Request and received our response. We will tell you which application process to start with after we review your information.”

Montana rules that apply here

  • Building code adoptedAdopted (with conditions)

    Residential and commercial building-code adoption and enforcement applicable in Flathead County through Montana's statewide building-code program.

    • Montana cities, counties, and towns may enforce local building, electrical, plumbing, and mechanical codes, all or in part, if their programs are certified by the Building Codes Program.
    • Cities, counties, and towns that do not enforce building codes fall under the jurisdiction of the Montana Building Codes Program.
    • State-owned agencies must be permitted through the Department.
    • Flathead County's official building page states that building codes are administered by the State Department of Labor and Industry.
    • The state page states that the 2024 codes take effect September 26, 2026.

    2024 state building codes effective date: 2026-09-26 · code categories expressly identified: building, electrical, plumbing, and mechanical

    “In addition, the program is responsible for adopting a uniform state building code, which is enforced statewide for residential and commercial buildings across Montana.”
    3 more reviewed findings on this topic
    • Adopted (with conditions) — State-administered building codes applicable in Flathead County.
      “All of the codes listed below are amended and adopted by: Administrative Rules of Montana (ARM) Title 24, Chapter 301”
    • Adopted (with conditions) — Montana's uniform state building code for residential and commercial buildings statewide.
      “In addition, the program is responsible for adopting a uniform state building code, which is enforced statewide for residential and commercial buildings across Montana.”
    • 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
    • Required — Inspection of projects requiring a Montana building permit.
      “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.”
  • 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 — Groundwater wells and other groundwater developments in Flathead County under Montana water-rights law
      “35 gallons per minute or less, not to exceed 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.”
  • Building in a floodplainRequired

    New development within a designated Special Flood Hazard Area in Montana.

    • The applicant must check with the local floodplain administrator to determine whether an SFHA has been designated.
    • Covered development includes placement of fill, roads, bridges, culverts, transmission lines, irrigation facilities, storage of equipment or materials, excavation, new construction or development, placement or replacement of manufactured homes, and new construction, additions, or substantial improvements to residential and commercial buildings.
    • Permit applications are obtained from the local floodplain administrator.
    • Application fees and timelines are established by the local government and vary widely throughout the state.
    “Anyone planning new development within a designated Special Flood Hazard Areas (SFHA).”
  • 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.”

Still unanswered

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

  • Camping on your land — Temporary camping on private land in Flathead County.
  • Septic inspection — Inspection of septic systems in Flathead County.
  • Off-grid sanitation — Off-grid sanitation systems in Flathead County.
  • Agricultural exemption — Agricultural exemptions from county zoning or building-related requirements.

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.

Water rights & wells in Flathead County

Whether a new home can legally get its own water here — the sub-state groundwater regime, from Montana’s water agency.

Actively managed

This basin is under active state management — new water use is scrutinized, though a domestic well is usually still allowed.

Household wellExempt up to a limit

Montana's exempt-well exception (85-2-306 MCA) was tightened after Upper Missouri Waterkeeper v. DNRC (2024), and from Jan 1, 2026 appropriators must file a Notice of Intent with DNRC before putting exempt groundwater to use.

Limit: 35 gpm or less AND ≤10 acre-ft/yr; a combined appropriation exceeding 10 acre-ft needs a permit regardless of flow rate

Montana DNRC — Water Rights Permit Exceptions (Exempt Wells) ↗

Prior-appropriation state (first in time, first in right). Groundwater rules change and basin boundaries follow the aquifer, not the county line — confirm current well and appropriation rules with the Montana state water agency before you buy or drill.Groundwater governance as of Jul 2026, cited to each administering agency.

Living off-grid in Flathead County, Montana

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

Flathead County scores 68/100 on the Bolthole Index, a strong county profile. Its strengths: a stronger property-autonomy legal backdrop and low administrative friction for a quiet rural property.

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

Flathead 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 Flathead City-County Health Department - Environmental Health (Sewage & Septic). 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 Flathead County?

Living in an RV on your own land in Flathead 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 limited to specific cases. Confirm with the county before relying on it.

How much does land cost in Flathead County, Montana?

Land in Flathead County runs about $9,225 per acre, based on the latest county data.

What is the water situation in Flathead County?

Flathead County gets about 35.9" of rain a year, with severe drought in roughly 12.9% of years. On water rights, Flathead County lies in the BNSF Somers Site Controlled Groundwater Area — ~86 acres at Somers (former tie-treating plant); contamination-driven CGWA restricting new wells to permitted remedial/monitoring uses..

How remote is Flathead County?

A representative private-land location has about 32,751 people within a 30-minute drive and 156,840 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 Flathead compares in Montana

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