Bolthole Index

Fallon County, Montana

Zoning, building permits and septic rules in Baker, Montana

Baker is a city in Fallon County, Montana. Baker adopts its own zoning, so inside its limits Baker’s rules apply, not the county’s. 5 rules below are quoted from official sources and independently re-checked, most recently on October 18, 2026. Rules for unincorporated land are on the Fallon County page.

Answers from the rulebook for Baker

Baker’s own rules

  • Local zoningPresent (with conditions)

    Land within Baker city limits, including the R-2 zoning district.

    • Uses in R-2 must comply with applicable standards of the zoning ordinance.
    “The purpose and intent of the R-2 zoning district is to provide for one- and two-household residential areas served by adequate public service, and for neighborhood facilities to serve such development while preserving the residential quality and nature of the area.”
  • Zoning districtsPublished (with conditions)

    Land within Baker city limits.

    • The City's official ordinances page links to its Codified Ordinances and Zoning Map.
    “Ordinances & Regulations Airport Affected Area (AAA) Regulations Codified Ordinances Zoning Map”
  • Off-grid sanitationLimited

    Trailer courts within Baker city limits.

    • Trailer courts must connect to the city sewer system, and each trailer must connect to the public sewer system.
    “A trailer court located within the city shall be connected with the city sewer system. Each trailer therein shall be adequately connected with the public sewer system.”
  • Mandatory utility hookupWater and sewer (with conditions)

    Trailer courts and trailers in trailer courts within Baker city limits.

    • A public potable water supply must be used where available; an independent supply requires express City Council approval.
    • A trailer court must be connected to the city sewer system and each trailer adequately connected to the public sewer system.
    “Where a public supply of water of such quality is available, connection shall be made thereto and its supply used exclusively. The development of an independent water supply to serve the trailer court shall be made only after express approval has been granted by the city council. [...] A trailer court located within the city shall be connected with the city sewer system. Each trailer therein shall be adequately connected with the public sewer system.”
  • Permit processPartial

    New construction within Baker city limits.

    • A Zoning Permit is required.
    • The application may be picked up at City Office, 10 Fallon Ave. W.
    “All new construction within the City of Baker is required to obtain a Zoning Permit. This permit application may be picked up at the City Office located at 10 Fallon Ave. W.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Baker or Fallon County directly.

  • Owner-builder exemption — Owner-built residential construction within Baker city limits.
  • Building code adopted — Buildings within Baker city limits.
  • Inspections — Building construction within Baker city limits.
  • Certificate of occupancy — Occupancy of buildings within Baker city limits.
  • Minimum dwelling size — Dwellings in Baker's R-2 zoning district.
12 more unanswered
  • Camping on your land
  • Tiny homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Well permit
  • Agricultural exemption
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • Permit fees

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 Baker publishes no rule on the point, not that none exists. Fallon County’s page lists the county offices to call.

Off-grid gear

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

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