Bolthole Index

Glacier County, Montana

Building permits, zoning and septic rules in Cut Bank, Montana

Cut Bank, Montana has a city building department, and the city requires building permits for roof and deck installations.1 Cut Bank has its own zoning ordinance, including district-specific home and lot sizes.2 Homes must connect to city water, and public sewer availability limits private septic systems; where private wastewater disposal is allowed, city approval and local health-department drainfield approval are separate requirements.345

At a glance

Building permits
City building department; roof and deck installations require building permits1
Zoning
City zoning ordinance applies inside Cut Bank2
Minimum home size
RII: 700 square feet of main floor area6
Minimum lot size
RII: 7,000 square feet per single-family dwelling, with an older-plat exception7
Septic approvals
Private wastewater only where public sewer is unavailable; city approval plus local drainfield permit45
Manufactured homes
RII allows single-family manufactured homes on permanent foundations; mobile homes prohibited8
Water connection
City water-main connection required for dwellings3

Who to call

Building permits

City of Cut Bank Building Department

City building applications, project-specific building permit requirements and inspections; ask here about floodplain administration.

406-873-5526

[email protected]

Planning & zoning

Cut Bank City Hall

City zoning application forms and referral for district, utility and floodplain questions.

(406) 873-5526

221 West Main

Septic permits

Glacier County Environmental Health / Sanitarian

Local health-department drainfield approval; coordinate with the city for any private wastewater system inside Cut Bank.

(406) 868-4957

[email protected]

PO Box 569

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 Cut Bank means bringing your own water and power. The kit we’d start with:

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Do you need a building permit in Cut Bank, MT?

Cut Bank’s Building Department provides building permit applications and expressly includes roof and deck installations in its building permit program.1 We could not confirm the full city building-permit requirement for every type of residential project; ask the Building Department to identify the building permit and inspection requirements for your proposed work.1

Cut Bank building permit fees are established by city council resolution, so request the current fee schedule rather than applying the state fee formula.9 Montana’s owner-builder exemption concerns construction-contractor licensing and does not itself waive building, electrical, plumbing, mechanical or inspection requirements.10

Does Cut Bank have zoning, and what are the lot sizes and setbacks?

Cut Bank has its own zoning ordinance; establish the parcel’s district before using any residential dimensions below.2 In Cut Bank’s Residential II (RII) district, dwellings need at least 700 square feet of main floor area, and the minimum lot area is 7,000 square feet per single-family dwelling and for other permitted uses.67 The RII lot-area limitation excludes lots or tracts in plats approved by the city council before the provision’s effective date.7

RII buildings generally need a 20-foot front setback and 4-foot interior-side and rear setbacks, subject to separate garage provisions; the exterior-side setback is 12 feet for all buildings.11 RII dwellings and accessory buildings have a maximum height of 35 feet.12 Ask City Hall for zoning application forms and confirmation of the district for your address.13

How do septic permits and sewer connections work inside Cut Bank?

Cut Bank dwellings must have running water and connect to city water mains; plumbing fixtures must connect to city sanitary sewers where public lateral sanitary sewers have been constructed, subject to the code’s timing provision.3 Where those public lateral sewers were absent at the provision’s effective date, the connection rule takes effect after the sewers have operated for 6 months.3

Cut Bank permits private wastewater disposal only where public sewer is unavailable under the code, with a city permit, fee and inspection, Montana public-health recommendations and additional county board of health requirements.4 A Montana Certificate of Subdivision Approval does not replace the local health-department drainfield permit.5 Contact the Glacier County Sanitarian for the local approval and coordinate the city approval separately.144 Notify the city superintendent before underground wastewater work is covered and when ready for final inspection.15

Can you live in an RV, tiny home or manufactured home in Cut Bank?

We could not confirm residential RV occupancy, temporary camping or a general tiny-home approval rule in Cut Bank; take the proposed living arrangement and parcel address to City Hall before buying a trailer or designing a small dwelling.13 Cut Bank’s RII district does establish a 700-square-foot minimum main floor area for all dwellings, so a smaller main floor would not meet that district’s stated minimum.6

Cut Bank’s RII district allows manufactured homes used as single-family residences on permanent foundations but prohibits mobile homes.8 That manufactured-home provision does not establish permission to occupy an RV or an accessory dwelling; ask City Hall to review the exact proposed use through the zoning process.813 City water and applicable sewer-connection requirements also apply to dwelling places.3

Building a home in Cut Bank: what are the steps, in order?

  1. Ask City Hall to confirm the parcel’s zoning district and obtain the zoning application; use RII dimensions only for an RII parcel.137
  2. Ask the city Building Department which building permits, plans and inspections your project needs, and request the current city building permit fee schedule.19
  3. Establish city water and sewer availability before choosing private wastewater disposal; a city private-wastewater permit is required where that option is allowed.34
  4. If a drainfield is proposed, obtain local health-department drainfield approval separately from any subdivision sanitation approval.5
  5. For development in a regulated flood hazard area, address the city floodplain permit requirements, including applicable drainage, anchoring, flood-elevation and engineering requirements.16
  6. Arrange city private-wastewater inspections before covering underground portions and at completion.15

What should you check before buying land in or near Cut Bank?

Cut Bank’s zoning and subdivision regulations also extend beyond city limits, subject to the stated Cut Bank Creek boundary limitation; ask City Hall to establish the municipal jurisdiction for an edge-of-city parcel.217 For rural land, consult the Glacier County guide: the state residential building-permit exemption outside certified local jurisdictions does not establish an exemption inside Cut Bank.18

A proposed well does not bypass Cut Bank’s city-water connection requirement.3 Montana groundwater developments using 35 gpm or less and no more than 10 acre-feet annually may qualify for a water-permit exception, but qualification is not automatic.19 Beginning in 2026, the exception requires a DNRC Notice of Intent before using the water, with a $400 filing fee.19 For a parcel in a regulated city flood hazard area, review floodplain approval before committing to a building location.16

Watch-outs

  • Cut Bank’s RII lot, setback and home-size rules are district-specific; do not apply them to every city parcel.7116
  • Cut Bank prohibits septic tanks, cesspools and privies where public lateral sanitary sewer exists, subject to the stated connection timing provision.3
  • We could not confirm Cut Bank’s RV-living, temporary-camping or accessory-dwelling rules; ask City Hall to review the proposed occupancy.13

Sources

  1. City of Cut Bank Building Department (cityofcutbank.org)
  2. 11-1-1: Title (Cut Bank), quoted and re-checked
  3. 9-1-2: Mandatory Connection to Public Water and Sewer (Cut Bank), quoted and re-checked
  4. 9-3-6: Sanitary Sewers, Building Sewers and Connections (Cut Bank), quoted and re-checked
  5. Engineering Infrastructure & Subdivisions (Montana statewide rule), quoted and re-checked
  6. 11-4A-2: Residential II (RII) District (Cut Bank), quoted and re-checked
  7. 11-4A-2: Residential II (RII) District (Cut Bank), quoted and re-checked
  8. 11-4A-2: Residential II (RII) District (Cut Bank), quoted and re-checked
  9. 10-1-10: Permit Fees (Cut Bank), quoted and re-checked
  10. Montana Code Annotated, Title 37, Chapter 45, Construction Contractors (Montana statewide rule), quoted and re-checked
  11. 11-4A-2: Residential II (RII) District (Cut Bank), quoted and re-checked
  12. 11-4A-2: Residential II (RII) District (Cut Bank), quoted and re-checked
  13. Cut Bank City Hall (cityofcutbank.org)
  14. Glacier County Environmental Health / Sanitarian (dphhs.mt.gov)
  15. codelibrary.amlegal.com (Cut Bank), quoted and re-checked
  16. 12-10-2: General Requirements (Cut Bank), quoted and re-checked
  17. codelibrary.amlegal.com (Cut Bank), quoted and re-checked
  18. Is a State Building Permit Needed?, quoted and re-checked
  19. Exempt Well Updates and Information (Montana statewide rule), 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.

Answers from the rulebook for Cut Bank

Cut Bank’s own rules

  • Local zoningPresent

    Land inside Cut Bank city limits.

    • The code also states that municipal zoning and subdivision regulations extend one mile beyond the city limits, subject to the stated Cut Bank Creek boundary limitation.
    “This title shall be known and cited as the CUT BANK ZONING ORDINANCE hereinafter referred to as “this title”.”
  • Septic inspectionRequired

    Private wastewater disposal systems inside Cut Bank city limits.

    • The installation must be completed to the superintendent's satisfaction.
    • The superintendent may inspect at any construction stage.
    • The applicant must notify the superintendent before underground portions are covered and when ready for final inspection.
    • Inspection is to be made within 48 hours of notice, excluding holidays and weekends.

    inspection response time: <= 48 hours (Holidays and weekends excepted.)

    “The inspection shall be made within forty eight (48) hours”
  • Off-grid sanitationLimited

    Off-grid or private wastewater sanitation inside Cut Bank city limits.

    • Private wastewater disposal is available only where public sewer is unavailable under the code.
    • A city permit, fee and inspection are required.
    • The system must comply with Montana public-health recommendations and any additional county board of health requirements.
    • Septic tanks, cesspools and privies are prohibited where public lateral sanitary sewer exists.
    “use any cesspool, septic tank, or outhouse or privy”
  • Mandatory utility hookupWater and sewer (with conditions)

    Dwelling houses, apartment houses, cabins and other human dwelling places inside Cut Bank city limits.

    • Running water and connection to city water mains are required.
    • Sinks, washbowls, bathing facilities and toilets must connect to city sanitary sewers where public lateral sanitary sewers have been constructed.
    • Where public lateral sanitary sewers were not constructed at the effective date, the sewer rule does not apply until the public lateral sewers have been constructed and operated for six months.
    • Use of cesspools, septic tanks and privies is unlawful where the public lateral sewer exists.

    sewer availability threshold: >= 6 months of operation (Applies where no public lateral sanitary sewer existed at the effective date.)

    “shall have running water and be connected to the city water mains”
  • Subdividing landRegulated (with conditions)

    Subdivision and land division inside Cut Bank city limits.

    • The code also extends municipal zoning and subdivision regulations one mile beyond city limits, subject to the stated Cut Bank Creek boundary limitation.
    “extend its municipal zoning and subdivision regulations for one (1) mile beyond the City limits”
  • Building in a floodplainRequired

    Development in a regulated flood hazard area inside Cut Bank city limits.

    • A floodplain permit application must address applicable base-flood-elevation, flood-damage, drainage, materials, anchoring, certification, access and encroachment requirements.
    • Where required, encroachment analysis must be prepared by an engineer.
    • Maximum allowable encroachment is generally no more than 0.5 feet increase to the base flood elevation unless the stated FEMA map-revision approval occurs before permit issuance.
    • An encroachment analysis is not required in the stated flood-fringe circumstance or may be minimal/qualitative for projects meeting all listed conditions.

    maximum allowable base-flood-elevation increase: <= 0.5 feet (Unless alteration of the regulated flood hazard area and approved FEMA Conditional Letter of Map Revision occur before permit issuance.)

    “An application for a Floodplain permit must demonstrate or meet the following applicable requirements:”
  • Permit feesVariable (with conditions)

    Building permits inside Cut Bank city limits.

    • The city council establishes building permit fees by resolution from time to time; the opened code provision does not state a current dollar amount.
    “Building permit fees shall be set and established by the city council”

Rules another office applies inside Cut Bank

Cut Bank does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

  • Minimum dwelling sizeSpecified

    Dwellings in the Residential II (RII) district inside Cut Bank city limits.

    minimum main floor area: >= 700 square feet (Applies to all dwellings in RII.)

    “Minimum main floor area for all dwellings shall be seven hundred (700) square feet.”
  • Minimum lot sizeSpecified

    Single-family dwellings and other permitted uses in the Residential II (RII) district inside Cut Bank city limits.

    • The limitation does not apply to lots or tracts included in plats approved by the city council before the effective date of the provision.

    minimum lot area per single-family dwelling: >= 7000 square feet (Pre-effective-date city-council-approved plats are exempt.)

    “The minimum lot area in this zoning district is seven thousand (7,000) square feet per single-family dwelling and for other permitted uses. This limitation shall not apply to lots or other tracts of land which are included in plats which were approved by the city council prior to the effective date hereof.”
  • SetbacksSpecified

    Buildings and accessory buildings in the Residential II (RII) district inside Cut Bank city limits.

    • Front setback is subject to the garage-specific rules in the same section.
    • Detached garages and accessory buildings have additional front, side and rear/alley setbacks.

    front setback: >= 20 feet (Buildings.) · interior side setback: >= 4 feet (Buildings; garage rules may differ.) · rear setback: >= 4 feet (Buildings; garage rules may differ.) · exterior side setback: >= 12 feet (All buildings.)

    “Buildings shall have a minimum setback of twenty feet (20') from the front lot line and four feet (4') from interior side and rear lot lines, except as hereafter provided for garages. The minimum building setback for exterior side lot lines is twelve feet (12') for all buildings.”
  • Building heightSpecified

    Dwellings and accessory buildings in the Residential II (RII) district inside Cut Bank city limits.

    maximum dwelling height: <= 35 feet · maximum accessory-building height: <= 35 feet

    “Dwellings shall have a maximum height of thirty five feet (35'), and accessory buildings a maximum height thirty-five (35) feet.”
  • Manufactured homesAllowed (with conditions)

    Manufactured homes used as single-family residences in the Residential II (RII) district inside Cut Bank city limits.

    • The manufactured home must be used as a single-family residence and placed on a permanent foundation.
    • Mobile homes are prohibited in the RII district.
    “Manufactured homes [...] on permanent foundations.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Cut Bank or Glacier County directly.

  • Building permit — Residential and other construction inside Cut Bank city limits.
  • Owner-builder exemption — Owner-builders constructing inside Cut Bank city limits.
  • Inspections — Construction inside Cut Bank city limits.
  • Certificate of occupancy — Buildings inside Cut Bank city limits.
  • Lot coverage — Lots inside Cut Bank city limits.
8 more unanswered
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Accessory dwellings
  • Well permit
  • Agricultural exemption
  • Driveway access
  • Short-term rentals

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.

Unanswered questions are usually a sign that Cut Bank publishes no rule on the point, not that none exists. Glacier County’s page lists the county offices to call.

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