Bolthole Index

Chouteau County, Montana

Zoning, building permits and septic rules in Fort Benton, Montana

Fort Benton is a city in Chouteau County, Montana. Fort Benton adopts its own zoning, so inside its limits Fort Benton’s rules apply, not the county’s. 5 rules below are quoted from official sources and independently re-checked, most recently on November 6, 2026. Rules for unincorporated land are on the Chouteau County page.

Answers from the rulebook for Fort Benton

Fort Benton’s own rules

  • Building permitRequired

    Erecting, constructing, enlarging, moving, converting, or demolishing a building or structure in Fort Benton.

    • A separate city-clerk building permit is required for each building or structure.
    • The application, plans, and specifications are checked for compliance; issuance occurs when the clerk finds conformity and the required fee has been paid.
    “No person, firm, or corporation shall erect, construct, enlarge, move, convert or demolish any building or structure in the city, or cause the same to be done, without first obtaining a separate building permit for each such building or structure from the city clerk.”
  • Building code adoptedAdopted (with conditions)

    Buildings within the City of Fort Benton building-code enforcement area, including residential buildings containing fewer than five dwelling units and specified owner-use garages or storage structures.

    • The published ordinance adopts Title 50, chapter 60, parts 1–4, MCA and State Department of Labor and Industry Building Codes Bureau rules, including identified 2003 code editions and amendments.
    “The city adopts by reference the provisions of Title 50, Chapter 60, Parts 1, 2, 3 and 4, Montana Code Annotated, as amended, together with the rules and regulations adopted by the State Department of Labor and Industry, Building Codes Bureau, including the 2003 Edition of the International Building Code, together with the following:”
  • Local zoningPresent (with conditions)

    Land within Fort Benton corporate limits.

    • The ordinance also states that the zoning jurisdiction includes a one-mile extraterritorial zoning jurisdiction shown on the official zoning map; this claim addresses only land within city limits.
    • Where zoning rules conflict with other lawfully adopted rules, regulations, ordinances, deed restrictions, or covenants, the more restrictive or higher standard governs.
    “The low-density residential district is established to provide for the development of single-family and two-family residences within the city limits at a density compatible with existing residential development and where public water supply and sewerage are available.”
  • Driveway accessRequired

    Concrete driveway work on residential or non-residential property inside Fort Benton city limits.

    • The city page states that structural-work permits include concrete driveways.
    • Applicants must contact the zoning official before starting and complete and return the applicable Residential Building Permit or Non-Residential Planning Permit to City Hall before work begins.
    • Payment is due upon filing and prices vary by project.
    “Did you know the City of Fort Benton requires you to have a permit for any structural work that is done on residential or non-residential property? This includes, but is not limited to, fences, additions, new construction, concrete (sidewalks, driveways, etc.), storage sheds, and decks.”
  • Permit processPublished (with conditions)

    City building-permit applications for construction and moving of buildings within Fort Benton.

    • Written application must identify the work, locate the land, state intended use or occupancy and valuation, include a site plan and construction description/specifications, and be signed by applicant or authorized agent.
    • The zoning administrator checks the application, plan, and specifications; other city departments may review; the clerk issues when conformity is established and the fee is paid.
    • Permit becomes void if work is not begun within 120 days or is suspended or abandoned for 120 days, subject to stated reissuance conditions.

    permit commencement deadline: 120 days (From the permit date.)

    “To obtain a permit, the applicant shall first file an application therefor in writing on a form furnished for that purpose.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Fort Benton or Chouteau County directly.

  • Owner-builder exemption — Owner-built residential work inside Fort Benton city limits.
  • Inspections — Building construction inside Fort Benton city limits.
  • Certificate of occupancy — Occupancy of buildings inside Fort Benton city limits.
  • Minimum dwelling size — Dwellings inside Fort Benton city limits.
  • Minimum lot size — Lots inside Fort Benton city limits.
12 more unanswered
  • Setbacks
  • Lot coverage
  • Building height
  • Camping on your land
  • Tiny homes
  • Accessory dwellings
  • Septic permit
  • Septic inspection
  • Well permit
  • Agricultural exemption
  • Subdividing land
  • 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 Fort Benton publishes no rule on the point, not that none exists. Chouteau County’s page lists the county offices to call.

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