Pondera County, MT Building Permits, Zoning & Septic Rules

Unincorporated Pondera County, Montana does not require a building permit for an ordinary home, because state law exempts residential buildings with fewer than 5 dwelling units and the county's certified program covers commercial construction only¹. The county does not have zoning regulations, but Conrad and Valier administer their own zoning²³. Septic systems still require local permitting through the Pondera County Sanitarian⁴.

At a glance

Building permit: Not required for residential construction; Pondera County's certified building program covers commercial construction only¹
Zoning: None countywide; only the City of Conrad and the Town of Valier have their own zoning ordinances²³
Septic permits: Pondera County Sanitarian, administering septic permitting under Montana DEQ rules⁴
RV parks: A development with 2 or more RV spaces for rent or lease goes through county subdivision review, with a 20-foot separation between RVs⁵
Minimum dwelling size, lot coverage, building height (county): None set; Pondera County has no zoning regulations⁶⁷⁸
Owner-builder exemption: Not established; largely moot with no residential building-permit program at the county or state level here⁹
Agricultural land-division exemption: Available for a land split outside a platted subdivision if the parties covenant to use it exclusively for agriculture¹⁰
Septic soil difficulty: Only 14.9% of county soils are free of severe limits for a conventional drain field¹¹

Who to call

Septic permits

Pondera County Sanitarian

Septic system permitting under Montana DEQ programs, along with water quality, subdivision sanitation review, solid waste, air quality, and inspection of trailer courts and RV parks

(406) 271-4020

[email protected]

20 4th Avenue SW, Conrad, Montana 59425-2340

Floodplain permits

Pondera County Disaster & Emergency Services (Floodplain Permits)

Floodplain permits for proposed work in Montana waterways and floodplains, and the county's E-911 addressing system

(406) 271-4040

[email protected]

20 4th Avenue SW, Conrad, Montana 59425-2340

Roads & driveways

Pondera County Road & Bridge Department, Valier Shop

County road maintenance and Encroachment Agreements for access onto county roads, submitted to the Commissioners or Road & Bridge Administrator

(406) 279-3751

[email protected]

726 Teton Avenue, Valier, Montana 59486

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 Pondera County, Montana?

No, not for an ordinary home. Montana's state building code is enforced statewide, but state law exempts residential buildings with fewer than 5 dwelling units, farm and ranch buildings, and private garages or storage buildings used only for the owner's own use from needing a state building permit, as long as the home doesn't serve transient guests¹². Pondera County's own certified local building program only covers commercial construction, not residential, so an ordinary single-family home here doesn't go through a county building-permit review either¹³. If you are building something commercial, Pondera County's certified building official can be reached at 788-3398¹³. A Montana certificate of occupancy applies to a building constructed under the state building code or a local building code, so it generally wouldn't apply to a residential build that's exempt from both¹⁴.

Who handles septic, floodplain and road permits in Pondera County, and how do you reach them?

Pondera County has no residential building department to call, because its certified program covers commercial construction only¹³. Commercial projects in unincorporated Pondera County are the limited class that goes through the county's building-code program¹⁵. Septic goes through the Pondera County Sanitarian at 20 4th Avenue SW, Conrad, Montana 59425-2340, (406) 271-4020¹⁶. Floodplain permits are listed by Pondera County Disaster & Emergency Services at the same courthouse address and (406) 271-4040¹⁷. The Road & Bridge page provides forms for submission to the Commissioners or Road & Bridge Administrator, but we could not confirm from the published material whether every new county-road driveway requires an Encroachment Agreement; ask the department before designing access¹⁸. A new or modified approach to a state highway follows a separate Montana Department of Transportation process¹⁹.

Does Pondera County have zoning?

No, Pondera County does not currently have zoning regulations². That absence is specific to the county: the City of Conrad utilizes zoning and requires city approval before new construction or alterations, and the Town of Valier also employs a zoning ordinance, though a large portion of Valier is unzoned airport land³. Outside those two municipalities, the county sets no minimum dwelling size, no lot-coverage limit and no building-height limit through zoning, because there is no zoning ordinance to set them⁶⁷⁸. Montana law would let Pondera County adopt zoning if its commissioners chose to, once the county has adopted a growth policy, but the county hasn't taken that step for unincorporated land²⁰. The county's own subdivision regulations still reach some land-use questions even without zoning: a landowner splitting off agricultural land outside a platted subdivision can use an exemption if the parties covenant that the divided land will be used exclusively for agricultural purposes, with any later residential, commercial or industrial use requiring full subdivision review¹⁰. A specific countywide numeric minimum lot size or setback for ordinary residential building outside a subdivision was not found in the county's official materials, so confirm any dimensional question directly with the county before you rely on one.

How do septic permits work in Pondera County?

Every new, altered, repaired or extended wastewater treatment and disposal system in Pondera County needs a permit, administered locally by the Pondera County Sanitarian under statewide Montana rules¹⁶²¹. Soils are the real constraint here: only 14.9% of Pondera County's land is free of severe limitations for a conventional septic drain field, so budget for a site evaluation and the possibility of an alternative system¹¹. If a department-approved public sewer system is readily available within 200 feet of your property line, Montana rule requires connecting to it instead of installing a new onsite system, unless the connection is physically or economically impractical, defined as costing at least 3 times what an approvable onsite system would cost²². Off-grid alternatives are narrow and conditional: holding tanks are limited to seasonal use of no more than 120 days a year absent a variance, sealed and unsealed pit privies are limited to seasonal or remote use, and new cesspools are prohibited outright²³²⁴. Even where a subdivision has a Certificate of Subdivision Approval from Montana DEQ, a separate drainfield permit is still required from the local health department before the septic system goes in²⁵²⁶.

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

The county rule that is on the books covers RV parks, not living in your own RV or tiny home on your own land: a development offering 2 or more spaces for rent or lease to recreational vehicles goes through county subdivision review, with RVs separated by at least 20 feet, set back at least 25 feet from a public street or highway boundary, and at least 15 feet from other park boundary lines⁵. That same subdivision-review trigger applies to temporary camping use principally by the public, again describing a commercial RV park or campground rather than a homeowner's own land²⁷. No official Pondera County source located for this guide addresses whether you can live full-time in an RV or a tiny home on your own private, unzoned land outside a park, so treat that as an open question and confirm directly with the county before you buy land specifically for that purpose. Because the county has no zoning ordinance, there's also no published zoning district or setback standard that would otherwise answer the question for an individual homesite.

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

Confirm the parcel and any proposed land division with the county; subdivision in the county's jurisdiction is regulated, while the agricultural exemption requires a covenant limiting the divided land to agricultural use²⁸¹⁰.

Order a septic site evaluation early, because only 14.9% of county soils are free of severe limits for a conventional drain field¹¹.

Apply through the Pondera County Sanitarian before installing or changing the wastewater system, and determine whether an available public sewer must be used²¹²².

Ask Disaster & Emergency Services whether the site is in a designated flood hazard area, where development requires a floodplain permit²⁹¹⁷.

Confirm road access with Road & Bridge; a state-highway approach goes through the Montana Department of Transportation¹⁸¹⁹.

For an ordinary home with fewer than 5 dwelling units that does not serve transient guests, no state or Pondera County residential building permit is required¹².

What to check before you buy land in Pondera County

Water and soils deserve the first look: Pondera County gets about 15.9 inches of precipitation a year, severe drought occurs in roughly 14.9% of years, and only 14.9% of soils are free of severe septic limitations³⁰³¹¹¹. For a qualifying groundwater use of no more than 35 gallons per minute and 10 acre-feet per year, Montana's permit exception still requires a Notice of Intent before water is put to use beginning in 2026; larger groundwater uses require a water permit³²³³. Confirm whether the parcel is inside Conrad or Valier, since both municipalities zone their own land³. Check flood status before grading or placing a home, because development in a designated Special Flood Hazard Area requires a permit²⁹. If the tract was split recently, verify subdivision approval or the terms of any agricultural covenant²⁸¹⁰. Typical property tax is about 0.9%, with a median annual bill near $1,584³⁴³⁵.

Watch-outs

No official Pondera County source addresses living in an RV or tiny home on your own private land outside a licensed RV park; the county's only published RV rule covers commercial parks with 2 or more rental spaces, so confirm directly with the county before buying land for that purpose⁵.
A countywide numeric minimum lot size or general dwelling setback outside a platted subdivision was not found in Pondera County's official materials; the subdivision regulations set project-specific standards rather than one general rule, so confirm dimensional requirements directly with the county³⁶.
Pondera County's certified building program (commercial construction only) is a separate track from the state's residential exemption; if you're building anything commercial, confirm permit requirements with the certified building official rather than assuming the residential exemption applies¹³.

Sources

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.

How Pondera County scores

Seclusion85100% ev.

Self-Sufficiency33100% ev.

Admin Boringness8590% ev.

Durability50100% ev.

Property Autonomy83100% ev.

Carry Cost82100% 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 →

$269kTypical home

0.9%Property tax

$1,751Land / acre

15.9"Annual rain

14.9% of yrsSevere drought

1.4 / yr (+1.3)Mid-century 100°F days

22.8 daysMid-century dry spell

1.25" (+5.3%)Mid-century 1-day rain

1.24×Wildfire change factor

100%Forward climate coverage

$1,527Home insurance / yr

4.2% / yrInsurance growth

2.43%Nonrenewal rate

county median (2+ published ZIPs)Insurance basis

116,721People within 2 hr

3,875Radius comparison (15 mi)

3.8People / sq mi

12.7%Federal land

83.9%Land at 15% slope or less

14.9%Septic soil without severe limits

152,159 acWorkable land screen

10.7%Wooded land

25.6 tonsBiomass / forest ac

42°FAvg temp

Answers from the rulebook for Pondera County

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

Pondera County rules

Building permitLimited
Commercial building construction within the portion of unincorporated Pondera County covered by the county building-code enforcement program.
- Pondera County's certified building program is commercial only.
- The permit requirement applies to buildings subject to Montana Code Annotated Title 50, chapter 60, parts 1 through 4.
- Conrad city limits are administered separately by the City of Conrad and are not included in this county claim.
- Construction must comply with the applicable state or county building code and other applicable county ordinances or resolutions.
“Pondera County | B (commercial only) | Kyle Harlan | 788-3398 | County”
Certified City, County and Town Programs ↗Re-checked Sep 26, 2026
Building code adoptedPartial
Pondera County's certified local building-code program.
- The Montana Department of Labor and Industry identifies Pondera County's jurisdiction as “County.”
- The listed code is Building (B) and is limited to commercial construction; the source key defines B as Building.
- This claim does not establish county adoption of residential building-code enforcement or of plumbing, electrical, mechanical, pool, or WUI codes.
“Pondera County | B (commercial only) | Kyle Harlan | 788-3398 | County”
Certified City, County and Town Programs ↗Re-checked Sep 11, 2026
County-wide zoningAbsent
Pondera County's county-administered zoning regulations, including unincorporated county areas.
- This finding concerns county zoning regulations; the official Growth Policy separately identifies zoning administered by the City of Conrad and the Town of Valier.
- County subdivision and floodplain regulations are separate land-use controls and are not county zoning regulations.
“does not currently have Zoning Regulations”
2024 Pondera County Growth Policy ↗Re-checked Sep 11, 2026
Local zoningVaries (with conditions)
Aggregate of zoning administered by local governments within Pondera County; it does not state that Pondera County administers municipal zoning.
- Pondera County does not currently have zoning regulations.
- The City of Conrad utilizes zoning and requires City approval before work begins for the listed new construction and alterations.
- The Town of Valier employs a zoning ordinance, but a large portion of the town is not zoned and is primarily airport land.
“Conrad utilizes zoning [...] Valier also employs a zoning ordinance”
2024 Pondera County Growth Policy ↗Re-checked Sep 11, 2026
Minimum dwelling sizeNone
Zoning-based minimum dwelling-size requirements in unincorporated Pondera County.
- This absence applies to county zoning regulations only.
- The City of Conrad and Town of Valier have separate zoning regulations.
- Non-zoning requirements, including applicable building, health, floodplain, subdivision, or state rules, may still apply.
“does not currently have Zoning Regulations”
2024 Pondera County Growth Policy ↗Re-checked Sep 11, 2026
Lot coverageNone
Zoning-based lot-coverage limits in unincorporated Pondera County.
- This absence applies to county zoning regulations only.
- The City of Conrad and Town of Valier have separate zoning regulations.
- Non-zoning requirements may still regulate development intensity or site design.
“does not currently have Zoning Regulations”
2024 Pondera County Growth Policy ↗Re-checked Sep 11, 2026
Building heightNone
Zoning-based building-height limits in unincorporated Pondera County.
- This absence applies to county zoning regulations only.
- The City of Conrad and Town of Valier have separate zoning regulations.
- Applicable building, floodplain, airport, fire, or other non-zoning rules may still impose limits.
“does not currently have Zoning Regulations”
2024 Pondera County Growth Policy ↗Re-checked Sep 11, 2026
Living in an RVLimited
Occupancy of recreational vehicles in Pondera County recreational vehicle parks in unincorporated areas.
- The development must provide two or more spaces for rent or lease for recreational camping vehicles.
- The development is subject to county subdivision review and the county recreational vehicle park standards.
- Recreational vehicles must be separated from each other by at least 20 feet.
- Recreational vehicles must be at least 25 feet from a property boundary adjoining a public street or highway right-of-way and at least 15 feet from other park boundary lines.
- Each space must provide a parking area at least 9 feet by 18 feet, with parking areas set back at least 4 feet from the street.
- County, Montana Department of Environmental Quality, and applicable local health-authority requirements also apply.
- Incorporated municipalities may impose separate rules.
minimum recreational vehicle spaces triggering review: >= 2 spaces (spaces must be for rent or lease) · separation between recreational vehicles: >= 20 feet (attached awnings and similar attached structures are included) · setback from public street or highway right-of-way boundary: >= 25 feet · setback from other park boundary lines: >= 15 feet · parking area dimensions: 9 by 18 feet · parking setback from street: >= 4 feet
“separated from each other by at least 20 feet.”
Pondera County Subdivision Regulations ↗Re-checked Sep 11, 2026
Camping on your landLimited
Temporary camping by recreational vehicles in county-regulated recreational vehicle parks in unincorporated Pondera County.
- The recreational vehicle park must provide two or more spaces for rent or lease.
- The park is subject to county subdivision review and design standards.
- The source does not establish a general right to camp on private land outside a recreational vehicle park.
- Incorporated municipalities may impose separate rules.
minimum recreational vehicle spaces triggering review: >= 2 spaces (spaces must be for rent or lease)
“principally used by the public for camping.”
Pondera County Subdivision Regulations ↗Re-checked Sep 11, 2026
Who permits septicCounty
Septic-system permitting in Pondera County.
- The Pondera County Sanitarian administers the county's septic-system permitting function as part of Montana Department of Environmental Quality programs.
“Other responsibilities include: Communicable Disease Program, which includes reports of possible food borne illness and possible rabies exposure; and Department of Environmental Quality programs such as water quality, subdivisions, septic system permitting, solid waste, air quality, and the junk vehicle program.”
Sanitarian | Pondera County, Montana ↗Re-checked Sep 11, 2026
Agricultural exemptionAvailable (with conditions)
Agricultural-use divisions of land outside platted subdivisions in Pondera County.
- The division must be made outside a platted subdivision.
- The parties must enter a covenant running with the land that the divided land will be used exclusively for agricultural purposes.
- Agricultural purposes mean raising crops or livestock or preserving open space and exclude residential, commercial, and industrial uses and structures and facilities for commercially or industrially processing agricultural products.
- The division must be exempt from MDEQ sanitation review under Section 76-4-125(2)(c), and that exclusion must be invoked on the certificate of survey or conveyance document.
- Any non-agricultural change of use subjects the parcel to subdivision review.
- Residential, commercial, or industrial structures may not be used, constructed, or erected on the parcel unless the covenant is revoked through subdivision review.
- The agricultural covenant may be removed in limited circumstances, including restoration of original lot lines or a qualifying public-purpose use after the required public hearing and written findings.
agricultural covenant removal findings deadline: 15 working days (Applies when the County Commission considers removal for a qualifying public entity or public purpose.)
“the divided land will be used exclusively for agricultural purposes.”
Pondera County Subdivision Regulations ↗Re-checked Sep 11, 2026
Subdividing landRegulated (with conditions)
Subdivision of land within the jurisdictional area of the Pondera County governing body, including county-jurisdiction areas outside incorporated municipalities.
- The regulations were amended and adopted by the Pondera County Commission on March 6, 2024.
- If a proposed subdivision lies within one mile of a third-class city or town, two miles of a second-class city, or three miles of a first-class city, the county governing body must submit the preliminary plat to the city or town governing body or designated agent for review and comment.
- If a proposed subdivision lies partly within an incorporated city or town, the preliminary plat must be submitted to and approved by both the city or town and the county governing body.
- If a proposed subdivision is in a rural school district, the governing body must provide a summary of the application and preliminary plat information to school district trustees.
- If the proposed subdivision is also proposed to be annexed to a municipality, the municipality and county coordinate public hearings and the subdivision review and annexation procedures whenever possible.
- The regulations supplement other applicable regulations, and where they conflict with other laws, regulations, ordinances, or resolutions, the more restrictive requirements apply, including zoning, floodplain, building-code, development-code, airport-affected-area, lakeshore, military-affected-area, and fire-code requirements.
- A pre-application meeting with the subdivision administrator is required before submitting a subdivision application; the meeting must occur within 30 days after the written request, and a new meeting is required if the application is not submitted within six months.
- Every final subdivision plat must be filed with the county clerk and recorder before title to subdivided land may be sold or transferred, except as provided in Section 76-3-303, MCA and the regulations' transfer provisions.
- Required application fees accompany preliminary and final plat applications; review fees follow a separate governing-body fee schedule, and third-party review fees may also be required. Current review fees are available from the County Clerk and Recorder.
- A person violating the Montana Subdivision and Platting Act or these regulations may face a misdemeanor, a fine of $100 to $500, imprisonment for up to three months, or both; each separate sale, lease, transfer, or offer is a separate offense.
“These regulations govern the subdivision of land within the jurisdictional area of the governing body of Pondera County.”
2024 Pondera County Subdivision Regulations ↗Re-checked Sep 26, 2026
Building in a floodplainRequired
New development within a designated Special Flood Hazard Area in Pondera County, including fill, roads, bridges, culverts, transmission lines, irrigation facilities, storage of equipment or materials, excavation, manufactured homes, and new construction, additions, or substantial improvements to residential and commercial buildings.
- The requirement applies only within a designated Special Flood Hazard Area (SFHA).
- The applicant must check with the local floodplain administrator to determine whether an SFHA has been designated for the stream of interest.
- Permit applications are available from the local floodplain administrator.
- Application fees and timelines are established by the local government and vary widely throughout Montana.
- The county page provides the Montana Joint Application and instructions for proposed work in Montana waterways and floodplains.
“Anyone planning new development within a designated Special Flood Hazard Areas (SFHA). Check with local floodplain administrator to determine whether a Special Flood Hazard Areas (SFHA) has been designated for the stream of interest.”
Stream Permitting ↗Re-checked Sep 26, 2026
Permit processPartial
Permit-process information for development in Pondera County, including county-administered commercial building-code jurisdiction and county floodplain permits.
- The Montana Department of Labor and Industry identifies Pondera County as certified for building-code enforcement for commercial projects only.
- Pondera County publishes a floodplain-permit application link, but no county-specific building-permit application procedure, fee schedule, or review timeline was located on the official county pages examined.
- State and local permit requirements may both apply depending on the project and location.
“Pondera County | B (commercial only) | Kyle Harlan | 788-3398 | County”
Disaster & Emergency Services | Pondera County, Montana ↗Re-checked Sep 26, 2026

Montana rules that apply here

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.”
Building Permits ↗Re-checked Sep 11, 2026
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.”
50-60-107. Certificate of occupancy, MCA ↗Re-checked Sep 11, 2026
Septic permitRequired
Construction, alteration, repair, and extension of wastewater treatment and disposal systems in Montana, including Pondera County.
- The permit system is administered by the reviewing authority, defined in the cited rules as a local board of health, local health officer, or designee.
- Permit applications must identify the owner, location, and system type; justify the proposed system; include a scaled lot-layout drawing; and show required separation distances.
- For new or increased sources, the permit must show the non-significance determination method.
- Replacement permits that do not meet subdivision minimum standards require notice that the design may limit future subdivision of the property.
“The reviewing authority shall administer a permit system for the construction, alteration, repair, and extension of wastewater treatment and disposal systems.”
2019 Montana Code Annotated - Land Use and Planning Statutes ↗Re-checked Sep 11, 2026
One more reviewed finding on this topic
- Required — Installation of a drainfield in Montana, including property already covered by a Certificate of Subdivision Approval.
  “Yes, even thought you have a COSA, a drainfield permit is still required by the local health department.”
  Engineering Infrastructure & Subdivisions ↗Re-checked Sep 11, 2026
Off-grid sanitationLimited
Alternative or off-grid wastewater and sanitation systems in Montana, including Pondera County.
- Absorption beds are limited to replacement systems and may not be constructed in unstabilized fill.
- Seepage pits are limited to replacement systems when no other treatment and disposal method is available; permit applications must include plans.
- Holding tanks are limited to seasonal use, defined as no more than 120 days in a calendar year, unless a variance is granted; applications must include plans, monitoring, waterproofing, annual watertightness testing, periodic pumping by a licensed septic tank pumper, and tank stabilization information when required.
- Sealed pit privies require no piped water and a seasonal-use recreational site; permit applications must include plans.
- Unsealed pit privies are limited to seasonal use in remote locations inaccessible to septic tank pumpers.
- All listed alternatives require the reviewing authority to find that site constraints prevent a DEQ-4 system, off-site alternatives are infeasible, and applicable requirements are met.
holding-tank seasonal-use limit: <= 120 days per calendar year (A variance may authorize nonseasonal use.)
“Holding tank systems may be approved only if the facility to be served is for seasonal use. (a) For purposes of this rule “seasonal use” means use for not more than a total of four months (120 days) during any calendar year.”
2019 Montana Code Annotated - Land Use and Planning Statutes ↗Re-checked Sep 11, 2026
One more reviewed finding on this topic
- Prohibited — New construction or alteration of cesspools in Montana, including Pondera County.
  “New construction or alteration of cesspools is prohibited.”
  2019 Montana Code Annotated - Land Use and Planning Statutes ↗Re-checked Sep 11, 2026
Well permitLimited
Groundwater wells in Pondera County using 35 gallons per minute or less and no more than 10 acre-feet per year, when the proposed use qualifies for Montana's permit exception.
- A water permit is not required if the groundwater development qualifies for the statutory exception.
- Beginning January 1, 2026, the appropriator must submit a Notice of Intent to Appropriate Groundwater, Form 602I, to DNRC before putting the water to use.
- If authorized, the Notice of Intent gives five years to complete the project, put the water to use, and submit a Notice of Completion.
- A combined appropriation from the same source by two or more wells or developed springs exceeding 10 acre-feet requires a permitted water right.
- The DNRC page identifies a separate Horse Creek Controlled Groundwater Area in Stillwater County with a maximum of 1 acre-foot per year for the specified exception; that district-specific rule is not stated to apply to Pondera County.
- Specific parcel eligibility and any controlled-groundwater-area restrictions must be confirmed with DNRC.
maximum groundwater flow: <= 35 gallons per minute (The use must also not exceed 10 acre-feet per year and must qualify for the permit exception.) · maximum annual groundwater volume: <= 10 acre-feet per year (Combined appropriations from the same source may require a permit when they exceed 10 acre-feet per year.) · Notice of Intent filing fee: 400 USD (The DNRC exempt-well updates page states the form fee is $400.)
“Beginning Jan. 1, 2026, water users who intend to develop water use through a permit exception must file a Notice of Intent (Form 602I)”
Exceptions To Permit Requirements ↗Re-checked Sep 26, 2026
One more reviewed finding on this topic
- Required — New or expanded groundwater uses in Pondera County exceeding 35 gallons per minute or 10 acre-feet per year, and all surface-water uses under Montana's statewide water-right permitting system.
  “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.”
  Exempt Well Updates: Subdivision Review Process and Combined Appropriation Guidance ↗Re-checked Sep 26, 2026
Mandatory utility hookupSewer (with conditions)
A new wastewater source or replacement for a failed wastewater system when a department-approved public collection and treatment system is readily available near the property.
- Connection is required only when the public system is within 200 feet of the property line and the system owner or managing entity approves the connection.
- A system is not readily available if connection is physically or economically impractical or easements cannot be obtained.
- Connection is economically impractical when its cost equals or exceeds three times the cost of installing an approvable onsite system.
- The rule requires discharge to the public system rather than an onsite system when the stated conditions are met.
distance from property line: <= 200 feet (Applies to a department-approved public collection and treatment system.) · economic impracticality threshold: >= 3 times onsite-system installation cost (Connection cost equal to or exceeding three times the cost of an approvable onsite system.)
“If a department-approved public collection and treatment system is readily available within a distance of 200 feet of the property line for connection to a new source of wastewater, or as a replacement for a failed system, and the owner or managing entity of the public collection and treatment system approves the connection, wastewater must be discharged to the public system.”
2019 Montana Code Annotated - Land Use and Planning Statutes ↗Re-checked Sep 11, 2026
Driveway accessLimited
New or modified driveway approaches intersecting Montana state highways, and changes in use of property abutting a state highway or an existing approach.
- A new or modified approach requires either an approach permit or a right-of-way agreement.
- A change in property use or change in use of an existing approach requires a new approach permit.
- The landowner is responsible for obtaining the new permit.
- The application must be made to the appropriate MDT District Office.
- A detailed site plan and Environmental Checklist Form are required.
- The requirement concerns state highways; local roads may be administered by local governments.
“ALL NEW OR MODIFIED APPROACHES REQUIRE EITHER AN APPROACH PERMIT OR A RIGHT-OF-WAY AGREEMENT.”
Approach Manual for Landowners and Developers ↗Re-checked Sep 11, 2026
Short-term rentalsLimited
Short-term rentals operated in Montana.
- A Property Manager license is required unless the operator qualifies for an exemption under MCA § 37-56-104 or MCA § 50-51.
- Local land-use, lodging, tax, and public-accommodation requirements may also apply.
application fee: 50 USD
“Short Term Rentals: A Property Manager license is required for short term rentals unless an operator qualifies for an exemption”
Property Management Program ↗Re-checked Sep 11, 2026
Permit feesVariable (with conditions)
State building permit and plan-review fees for state-administered building permits.
- The building permit fee is calculated by the bureau under IBC Section 109.2 as modified by ARM 24.301.138.
- A plan review fee is charged in addition to the building permit fee and equals 35 percent of the building permit fee.
- Both fees must be paid before the building permit is issued.
- Local governments certified to enforce the state building code may establish their own permit fees and valuation method.
plan review fee: 35 percent of building permit fee
“The plan review fee is 35 percent of the building permit fee as established in Table 109.2.”
Frequently Asked Questions ↗Re-checked Sep 11, 2026
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;”
Public Use Rules and Regulations ↗Re-checked Sep 11, 2026
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”
76-2-201. County zoning authorized, MCA ↗Re-checked Sep 21, 2026

Still unanswered

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

Owner-builder exemption — A distinct owner-builder exemption from otherwise applicable building permits or inspections in Pondera County.
Zoning districts — Zoning-district publication for Pondera County.
Minimum lot size — Minimum lot size for development or subdivision in unincorporated Pondera County.
Setbacks — General building or dwelling setbacks in unincorporated Pondera County.
Tiny homes — Occupancy of tiny homes on private land in unincorporated Pondera County.

2 more unanswered

Accessory dwellings
Septic inspection

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 Pondera County, Montana

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

Pondera County scores 71/100 on the Bolthole Index, a strong county profile. Its strengths: deep seclusion — about 3,875 people within 15 miles and low administrative friction for a quiet rural property. Watch-outs: thin water margin (15.9″/yr rainfall).

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

Pondera 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 Pondera County Sanitarian (delegated under Montana DEQ). 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.

How much does land cost in Pondera County, Montana?

Land in Pondera County runs about $1,751 per acre, based on the latest county data.

What is the water situation in Pondera County?

Pondera County gets about 15.9" of rain a year, with severe drought in roughly 14.9% of years.

How remote is Pondera County?

A typical private-land location has about 3,875 people within 15 miles and 227,246 within 100 miles. These radius catchments are the published fallback where road routing is unavailable.

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

At a glance

Who to call

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

Who handles septic, floodplain and road permits in Pondera County, and how do you reach them?

Does Pondera County have zoning?

How do septic permits work in Pondera County?

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

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

What to check before you buy land in Pondera County

Watch-outs

Sources

Pondera County in Montana

How Pondera County scores

Find land. Bring the promising ones back.

Parcel due diligence

Answers from the rulebook for Pondera County

Pondera County rules

Montana rules that apply here

Still unanswered

Living off-grid in Pondera County, Montana

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

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

How much does land cost in Pondera County, Montana?

What is the water situation in Pondera County?

How remote is Pondera County?

How Pondera compares in Montana