Bolthole Index

Granite County, Montana

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

56Index Score / 100
#33 of 56 in Montana

Granite County, Montana does not issue county building permits for structures, but that does not mean a project is permit-free1. Every property must obtain a septic permit from the Tri-County Sanitarian before construction, and property in the Georgetown Lake Zoning District needs a zoning permit before construction21. Commercial buildings, potentially including multifamily projects, may require a Montana state building permit1.

At a glance

County building permit
Not required for structures; some commercial or multifamily work may need a state permit1
Zoning
Georgetown Lake has a mapped zoning district with a zoning compliance permit3
Septic permit
Required before construction through the Tri-County Sanitarian2
Floodplain work
A county floodplain permit is required before alterations in a floodplain4
County-road driveway
New, relocated or reconstructed driveways need a county encroachment permit5
Private RV living
A general rule for one private RV could not be confirmed; ask Planning for the parcel6
Owner-builder
No specific owner-builder exemption was confirmed7
Well permit
The Tri-County page limits its well-permit requirement to Anaconda-Deer Lodge County8

Who to call

Planning & zoning

Granite County Planning Department

Land divisions, zoning, floodplain permits and Georgetown Lake zoning compliance permits

406-859-7021

[email protected]

P.O. Box 925, Philipsburg, MT 59858

Septic permits

Tri-County Environmental Health

Septic permitting, licensing and inspection oversight for Granite County

406-563-4066

800 South Main St, Anaconda, MT 59711

Roads & driveways

Granite County Road Department

County roads and bridges; road questions and encroachment-permit materials

406-859-3720

Contact details are copied from each office’s official page and were checked against it on September 28, 2026.

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

Granite County does not have a county building-permit program and does not require county building permits for structures1. Montana may still require a state permit for commercial buildings, potentially including multifamily housing, while state exemptions include residential buildings with fewer than five dwelling units unless they serve transient guests19. State electrical and plumbing permits are separate from the county building-permit question10. A home site can also trigger a septic permit, a Georgetown Lake zoning compliance permit, a floodplain permit or a county-road encroachment permit depending on the project and parcel2345.

Who handles building and land permits in Granite County?

Granite County has no county structural building-permit program, so the Granite County Planning Department is the practical first call for land-use questions rather than a building department110. Planning oversees land divisions, zoning and floodplain administration, including Georgetown Lake zoning compliance permits10. Tri-County Environmental Health handles septic permitting and inspection oversight for Granite County from its Anaconda office21112. The Granite County Commissioners issue encroachment permits for new, relocated or reconstructed driveways onto county roads, while the Road Department maintains county roads and provides road contacts and permit materials513. A driveway onto a Montana state highway follows the separate state approach-permit process14.

Does Granite County, Montana have zoning?

Granite County publishes a Georgetown Lake Zoning District, but the official material reviewed does not establish that zoning applies countywide3. Property inside the Georgetown Zoning Area needs a zoning compliance permit before construction, including dirt work, and a residential-to-commercial change of use must be permitted before commercial activity begins15. The application requires sketch plans showing setbacks and structure height plus a $100 fee submitted to Granite County Planning16. The reviewed sources did not confirm numeric setback, height, lot-coverage, minimum-lot-size or minimum-home-size standards, so ask Planning for the ordinance and parcel-specific zoning before designing the site10.

How do septic permits work in Granite County?

All Granite County properties must obtain a septic permit from the Tri-County Sanitarian before construction2. Tri-County Environmental Health provides permitting and licensing for septic systems and oversees inspections; certified installers may self-inspect their installations1112. A Montana Certificate of Subdivision Approval does not replace the local drainfield permit17. Only 2% of Granite County soils are rated without severe limitations for a conventional septic drain field, so obtain the site evaluation before committing to a house location18. The Tri-County page says a well-drilling permit is required only in Anaconda-Deer Lodge County, but separate Montana water-right requirements may still apply in Granite County8.

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

Granite County's reviewed material does not give a general answer for long-term residence in one private RV or for tiny-home occupancy, so ask the Planning Department about the specific parcel and intended use10. What is confirmed is narrower: establishing more than one RV site for rental purposes is treated as a subdivision under Montana law6. Rental units are not allowed on property in the Georgetown Lake Zoning District, and a primary structure offered through VRBO or Airbnb must be discussed with the Tri-County Sanitarian before listing19. Creation of new RV or mobile-home parcels is reviewed under the Granite County Subdivision Regulations10.

What are the steps to build a home in Granite County?

  1. Ask Granite County Planning whether the parcel lies in the Georgetown Lake Zoning District and whether it lies in a floodplain1034.
  1. Obtain the Tri-County septic permit before construction and confirm the approved septic and well locations220.
  1. If Georgetown zoning applies, submit the zoning compliance application, setback-and-height sketches and the $100 fee before any construction or dirt work15.
  1. Confirm state electrical and plumbing permits, and ask the Montana Building Codes Program whether any commercial or multifamily aspect needs a state building permit101.
  1. Obtain a Granite County encroachment permit before building, relocating or reconstructing a driveway onto a county road5.

What should you check before buying Granite County land?

Start with septic feasibility: only 2% of Granite County soils are rated without severe limitations for a conventional drain field18. Check the parcel's mapped floodplain status because alterations such as grading, bank stabilization and construction require a floodplain permit in Granite County floodplains4. Confirm legal access and whether a county-road encroachment permit or a state-highway approach permit will be needed514. Granite County is 69.5% wooded, 65.2% federally owned and only 22.7% gentle land, so parcel-level slope, wildfire exposure and adjoining ownership deserve close review212223. The effective property-tax rate is about 0.6%, and the median annual property-tax bill is about $2,0612425.

Watch-outs

  • Granite County's lack of a county building permit does not remove septic, Georgetown Lake zoning, floodplain, electrical, plumbing or driveway requirements1234510.
  • A general rule for one private RV, tiny-home occupancy, minimum dwelling size, minimum lot size and numeric setbacks could not be confirmed; ask Granite County Planning about the parcel and proposed use10.
  • Only 2% of Granite County soils are rated without severe limitations for a conventional septic drain field, so septic feasibility can change the usable building area and budget18.

Sources

  1. Planning Department, quoted and re-checked
  2. Planning Department, quoted and re-checked
  3. Planning Department, quoted and re-checked
  4. Planning Department, quoted and re-checked
  5. Planning Department, quoted and re-checked
  6. Planning Department | Granite County, MT, quoted and re-checked
  7. (2026 county census)
  8. Tri-County Environmental Health, quoted and re-checked
  9. Building Permits (Montana statewide rule), quoted and re-checked
  10. Granite County Planning Department (granitecountymt.gov)
  11. Tri-County Environmental Health, quoted and re-checked
  12. Tri-County Environmental Health (granitecountymt.gov)
  13. Granite County Road Department (granitecountymt.gov)
  14. Approach Manual for Landowners and Developers (Montana statewide rule), quoted and re-checked
  15. Planning Department | Granite County, MT, quoted and re-checked
  16. Planning Department, quoted and re-checked
  17. Engineering Infrastructure & Subdivisions (Montana statewide rule), quoted and re-checked
  18. Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
  19. Planning Department, quoted and re-checked
  20. Engineering Infrastructure & Subdivisions (Montana statewide rule), quoted and re-checked
  21. Wooded share of land: Bolthole Index county data
  22. Federal land share: Bolthole Index county data
  23. Share of land at 15% slope or less: Bolthole Index county data
  24. Effective property tax rate: Bolthole Index county data
  25. Median property tax bill: Bolthole Index county data

Written September 28, 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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County locator

Granite County in Montana

56
County map
Granite County highlighted among the Montana counties · colored by Index score

How Granite County scores

Seclusion83100% ev.
Self-Sufficiency26100% ev.
Admin Boringness5590% ev.
Durability39100% ev.
Property Autonomy83100% ev.
Carry Cost77100% 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 →

$474kTypical home
0.6%Property tax
$2,808Land / acre
23.9"Annual rain
16.1% of yrsSevere drought
0.3 / yr (+0.3)Mid-century 100°F days
16.5 daysMid-century dry spell
1.24" (+9%)Mid-century 1-day rain
1.23×Wildfire change factor
100%Forward climate coverage
$1,608Home insurance / yr
1.3% / yrInsurance growth
1.1%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
251,956People within 2 hr
2,384Radius comparison (15 mi)
2.1People / sq mi
65.2%Federal land
22.7%Land at 15% slope or less
2%Septic soil without severe limits
21,701 acWorkable land screen
69.5%Wooded land
31.6 tonsBiomass / forest ac
39.4°FAvg temp

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Answers from the rulebook for Granite County

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

Granite County rules

  • Building permitLimited

    Structures in unincorporated Granite County.

    • Granite County does not require county building permits for structures.
    • All properties must obtain a septic permit before construction.
    • Georgetown Lake Zoning District properties must obtain a zoning permit before construction.
    • Commercial buildings, potentially including multifamily housing, may require a Montana state building permit.
    “Granite County does not have a building permit program. Building permits are not required by the County for structures. However, all properties must obtain a septic permit from the Tri-County Sanitarian before construction. Additionally, properties located in the Georgetown Lake Zoning District must obtain a zoning permit before construction. Commercial buildings, which may include multi-family housing structures, may require a building permit from the State of Montana.”
  • Local zoningVaries (with conditions)

    Aggregate local-zoning conclusion for Granite County, including the county-administered Georgetown Lake Zoning District and other local jurisdictions.

    • Properties in the Georgetown Lake Zoning District require a zoning compliance permit before construction, including dirt work.
    • The Georgetown Lake Zoning District covers specified sections in Townships 5 and 6 North, Ranges 13 and 14 West.
    • This aggregate claim does not assert that Granite County administers every municipal or local ordinance.

    zoning compliance permit fee: 100 USD

    “Properties located within the Georgetown Zoning Area must obtain a zoning compliance permit before any construction, including dirt work. [...] Georgetown Lake Zoning District covers all properties located in Township 6 North, Range 13 West, Sections 28, 29, 31, 32 and 33; Township 6 North, Range 14 West, Section 36; and Township 5 North, Range 14 West, Sections 1, 11, 12, 13, 14, 15, 22, 23, 24 and 26.”
  • Zoning districtsPublished (with conditions)

    Properties within the Georgetown Lake Zoning District in Granite County, including the listed PLSS sections and mapped neighborhood conservation/subdistrict areas.

    • A zoning compliance permit is required before any construction, including dirt work, within the Georgetown Zoning Area.
    • A change of use from residential to commercial must be permitted before commercial activities begin.
    • The zoning compliance permit application requires sketch plans showing setback and height of structures.
    • The application fee is $100, payable to Granite County, Planning, P.O. Box 925, Philipsburg, MT 59858.
    • The Georgetown Lake Zoning District covers all properties in Township 6 North, Range 13 West, Sections 28, 29, 31, 32 and 33; Township 6 North, Range 14 West, Section 36; and Township 5 North, Range 14 West, Sections 1, 11, 12, 13, 14, 15, 22, 23, 24 and 26.
    • The official county map identifies Denton's Point Neighborhood Conservation District, Edwards Lakefront Subdistrict, Edwards Neighborhood Conservation District, and Dude Ranch - Rising Sun Neighborhood Conservation District within the mapped Georgetown Lake zoning area.
    • The county page states that Georgetown Lake Zoning District regulations are available online.

    zoning compliance permit fee: 100 USD

    “Georgetown Lake Zoning District regulations are available online.”
    3 more reviewed findings on this topic
    • Partial — Published Georgetown Lake Zoning District materials in Granite County.
      “Georgetown Lake Zoning District covers all properties located in Township 6 North, Range 13 West, Sections 28, 29, 31, 32 and 33; Township 6 North, Range 14 West, Section 36; and Township 5 North, Range 14 West, Sections 1, 11, 12, 13, 14, 15, 22, 23, 24 and 26. Georgetown Lake Zoning District regulations are available online.”
    • Published (with conditions) — The Georgetown Lake Zoning District in Granite County, including the mapped Denton's Point Neighborhood Conservation District, Edwards Lakefront Subdistrict, Edwards Neighborhood Conservation District, and Dude Ranch–Rising Sun Neighborhood Conservation District.
      “Georgetown Lake Zoning District regulations are available online.”
    • Published (with conditions) — Published Georgetown Lake zoning and neighborhood-conservation districts shown in Granite County's official zoning map.
      “DPNC Denton's Point Neighborhood Conservation District ELS Edwards Lakefront Subdistrict ENC Edwards Neighborhood Conservation District DR-RSNC Dude Ranch - Rising Sun Neighborhood Conservation District Georgetown Lake Zoning District”
  • Living in an RVLimited

    Establishment of more than one RV site for rental purposes in Granite County.

    • Establishment of more than one RV site for rental purposes is considered a subdivision under Montana state law.
    • Subdivision review under applicable Granite County subdivision regulations is therefore implicated.
    • The source separately states that more than 5 rental units, such as cabins, multi-family, and apartments, require review under the Granite County Rent and Lease Regulations.
    • Rental units are not allowed on properties located in the Georgetown Lake Zoning District.

    RV sites requiring subdivision treatment: > 1 additional site threshold (Applies to rental purposes.) · rental units requiring Granite County Rent and Lease Regulations review: > 5 units (The source lists cabins, multi-family, and apartments as examples.)

    “Establishment of more than one RV site for rental purposes is considered a subdivision under the MT state law. Establishment of more than 5 rental units, such as cabins, multi-family, apartments, etc., on a property requires review under the Granite County Rent and Lease Regulations. Please note that rental units are not allowed on properties located in the Georgetown Lake Zoning District.”
    2 more reviewed findings on this topic
    • Limited — Establishment of more than one RV site for rental purposes in Granite County.
      “Establishment of more than one RV site for rental purposes is considered a subdivision under the MT state law.”
    • Limited — Rental or multiple-RV-site occupancy in Granite County.
      “Establishment of more than one RV site for rental purposes is considered a subdivision under the MT state law.”
  • Who permits septicLocal (with conditions)

    Septic, well, and sanitation permitting for Granite County within the Tri-County jurisdiction.

    • The Tri-County Environmental Health Department serves Anaconda-Deer Lodge, Granite, and Powell counties.
    • The department administers permitting and licensing to meet state water-quality standards.
    “We serve the Tri-county region of Anaconda-Deer Lodge, Granite, and Powell counties. [...] The Environmental Health Department provides education, permitting, and licensing to the Tri-County area for septic systems, wells, and sanitation in subdivisions to meet state water quality standards.”
  • Septic permitRequired

    All properties in Granite County before construction.

    • The permit is obtained from the Tri-County Sanitarian.
    • Tri-County wastewater and state water-quality requirements may apply.
    “However, all properties must obtain a septic permit from the Tri-County Sanitarian before construction.”
  • Septic inspectionLimited

    Septic systems in Granite County within the Tri-County jurisdiction.

    • Certified installers may perform self-inspections.
    • The department provides permitting and inspection-related oversight.
    • Requirements may vary by installer certification and parcel circumstances.
    “Being a certified installer is not required in order to install septic systems in the Tri-County jurisdiction. Certified Installers have demonstrated knowledge and awareness of correct procedures, permitting and inspection of systems through examination. They are allowed to perform self-inspections of their installations.”
  • Well permitNot required (with conditions)

    Local Tri-County well permits for Granite County.

    • The Tri-County page states that a well permit is required in Anaconda-Deer Lodge County only.
    • State DNRC water-right requirements and notices may still apply.
    “Well Drilling - A well permit is required in Anaconda-Deer Lodge County only.”
    One more reviewed finding on this topic
    • Not required — Well drilling in Granite County under the Tri-County Environmental Health page.
      “Well Drilling - A well permit is required in Anaconda-Deer Lodge County only.”
  • Subdividing landRegulated (with conditions)

    Subdivision of land within the jurisdictional area of Granite County.

    • If a proposed subdivision lies within specified distances of an incorporated city or town, the county must submit the preliminary plat for review and comment.
    • If partly within an incorporated city or town, both city/town and county approval are required.
    • Construction work may not occur on a proposed subdivision until preliminary-plat approval or conditional approval.
    • The regulations supplement zoning, floodplain, building, development, and fire regulations; the more restrictive requirements apply.
    “These regulations govern the subdivision of land within the jurisdicitional area of the governing body of Granite County.”
  • Driveway accessRequired

    New, relocated, or reconstructed driveways onto Granite County roads.

    • The encroachment permit must be obtained from the Granite County Commissioners before construction.
    “Driveways onto County Roads, which are new, to be relocated, or to be reconstructed, must obtain an encroachment permit from Granite County Commissioners before construction.”
  • Building in a floodplainRequired

    Property alterations and construction within Granite County floodplains.

    • A floodplain permit is required for alterations including adding or removing dirt, bank stabilization, and construction.
    • Floodplain status can be checked through FEMA's Physical Address Online.
    “All properties within the floodplain in Granite County must obtain a floodplain permit before any alterations of property within the floodplain, including adding or removing dirt, bank stabilizations, construction, etc.”
  • Short-term rentalsLimited

    Rental units and short-term rentals in Granite County, including the Georgetown Lake Zoning District.

    • More than five rental units on a property require review under the Granite County Rent and Lease Regulations.
    • Rental units are not allowed on properties located in the Georgetown Lake Zoning District.
    • Individuals intending to rent a primary structure through VRBO or Airbnb must contact the Tri-County Sanitarian before listing.

    rental-unit review threshold: > 5 units

    “Establishment of more than 5 rental units, such as cabins, multi-family, apartments, etc., on a property requires review under the Granite County Rent and Lease Regulations. Please note that rental units are not allowed on properties located in the Georgetown Lake Zoning District. Individuals who intend to rent the primary structure on a property under VRBO or Airbnb must contact the Tri-County Sanitarian's office at 406-563-4035 before listing.”
  • Permit feesPublished (with conditions)

    Georgetown Lake Zoning District zoning-compliance permits.

    • The $100 fee is for the zoning compliance permit application described on the county planning page.
    • The page does not establish fees for every county or state permit.

    zoning compliance permit fee: 100 USD

    “To obtain a zoning compliance permit, submit the application, necessary sketch plans showing setback and height of structures, and a $100 fee to Granite County, Planning, P.O. Box 925, Philipsburg, MT 59858.”
  • Permit processPublished (with conditions)

    Georgetown Lake Zoning District construction and change-of-use approvals.

    • A zoning compliance permit is required before any construction, including dirt work.
    • A residential-to-commercial change of use must be permitted before commercial activities begin.
    • The application requires sketch plans showing setbacks and structure height and a $100 fee.

    zoning compliance permit fee: 100 USD

    “Properties located within the Georgetown Zoning Area must obtain a zoning compliance permit before any construction, including dirt work. Change of use from residential to commercial must also be permitted before commercial activities begin. To obtain a zoning compliance permit, submit the application, necessary sketch plans showing setback and height of structures, and a $100 fee to Granite County, Planning, P.O. Box 925, Philipsburg, MT 59858.”
    One more reviewed finding on this topic
    • Partial — Zoning compliance permit process in the Georgetown Lake Zoning District.
      “To obtain a zoning compliance permit, submit the application, necessary sketch plans showing setback and height of structures, and a $100 fee to Granite County, Planning, P.O. Box 925, Philipsburg, MT 59858.”
  • County-wide zoningPresent

    The county administers zoning through designated districts such as the Georgetown Lake Zoning District and requires zoning compliance permits before construction or change of use, though zoning is not county-wide.

    Granite County Planning Department ↗Scouted from the county site, not yet independently re-checked

Montana rules that apply here

  • 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.”
    2 more reviewed findings on this topic
    • Partial — State building-code and permit requirements applicable in Granite County where the State of Montana has 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. [...] In the State's jurisdiction, state law exempts the following from the need to obtain state building permits:”
    • Adopted (with conditions) — Montana's statewide building-code program, including areas where a local government does not enforce building codes.
      “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 Granite County that require a Montana state 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.”
  • Agricultural exemptionAvailable (with conditions)

    Farm and ranch buildings in Granite County under Montana's state building-permit jurisdiction.

    • The exemption is from the need to obtain a state building permit.
    • Other county, zoning, septic, electrical, plumbing, floodplain, or subdivision requirements may still apply.
    “In the State's jurisdiction, state law exempts the following from the need to obtain state building permits: 1. farm and ranch buildings”
  • 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;”
  • county zoning authorityGeneral

    Montana boards of county commissioners adopting zoning regulations for all or parts of their jurisdictional areas, including unincorporated land.

    • The board of county commissioners must have adopted a growth policy pursuant to Montana Code Annotated chapter 1.
    • Zoning regulations must be adopted in accordance with Title 76, chapter 2.
    • The statute also contains a temporary provision for counties that adopted a master plan before October 1, 1999; that provision authorized adoption or revision only until October 1, 2006.
    “a board of county commissioners that has adopted a growth policy pursuant to chapter 1 is authorized to adopt zoning regulations”

Still unanswered

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

  • Owner-builder exemption — Owner-builder exemptions for construction in Granite County.
  • Minimum dwelling size — Minimum dwelling size requirements in applicable Granite County zoning districts.
  • Minimum lot size — Minimum lot sizes in applicable Granite County zoning districts.
  • Setbacks — Building setbacks in the Georgetown Lake Zoning District and elsewhere in Granite County.
  • Lot coverage — Lot coverage in applicable Granite County zoning districts.
7 more unanswered
  • Building height
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Off-grid sanitation
  • Mandatory utility hookup

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 Granite County, Montana

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

Granite County scores 56/100 on the Bolthole Index, a solid county profile. Its strengths: deep seclusion — about 2,384 people within 15 miles and a stronger property-autonomy legal backdrop. Watch-outs: thin water margin (23.9″/yr rainfall) and elevated current hazard exposure.

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

Granite County requires a building permit only in limited cases (such as floodplains or specific zones), and it enforces county zoning. Onsite septic is permitted by Tri-County Sanitarian (Tri-County Health Department serving Deer Lodge, Granite, and Powell counties). 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 Granite County?

Living in an RV on your own land in Granite County is limited to specific cases: Establishment of more than one RV site for rental purposes in Granite County. Establishment of more than one RV site for rental purposes is considered a subdivision under Montana state law. Subdivision review under applicable Granite County subdivision regulations is therefore implicated. Confirm with the county before relying on it.

How much does land cost in Granite County, Montana?

Land in Granite County runs about $2,808 per acre, based on the latest county data.

What is the water situation in Granite County?

Granite County gets about 23.9" of rain a year, with severe drought in roughly 16.1% of years.

How remote is Granite County?

A typical private-land location has about 2,384 people within 15 miles and 506,814 within 100 miles. These radius catchments are the published fallback where road routing is unavailable.

Off-grid gear

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

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How Granite compares in Montana

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