Zoning, building permits and septic rules in Miles City, Montana

Miles City’s own rules

• Building permitRequired

  Building work in Miles City city limits that is subject to the city building code and zoning code.

  • The city code cross-reference identifies Section 24-12 as the building-permit requirement and Section 24-17 as the mobile-home building-permit provision.
  • The city code states that its adopted codes provide for issuance of permits, fees, and penalties; the precise exemptions and fee schedule were not located in the opened material.

  “Cross reference— Fire codes, § 11-76 et seq.; flood damage prevention, ch. 12; disposal of refuse and debris resulting from construction, § 19-12; construction standards for streets and sidewalks, § 20-39 et seq.; excavations, § 20-66 et seq.; subdivision design and improvement standards, § 21-36 et seq.; utilities, ch. 23; zoning, ch. 24; building permit required, § 24-12; building permit for mobile homes, § 24-17; footings, piers and caps for mobile homes, § 24-18.”

• Building code adoptedAdopted (with conditions)

  Buildings within the City of Miles City building-code enforcement area, including residential buildings containing fewer than five dwelling units and the structures specified in the city code.

  • The city code excepts regulations noted in Chapter 5 and regulations not applicable to local-government jurisdictions.
  • The city code provides that subsequent applicable Building Codes Bureau amendments are to be placed on the next city-council agenda for approval.

  “The current editions of the building codes and all accompanying appendices, amendments and modifications adopted by the building codes bureau, Montana Department of Labor and Industry (or its successor), as set out in the Administrative Rules of Montana, as amended from time to time by the building codes bureau, shall be adopted the city council by ordinance, as authorized by MCA 50-60-301(1)(b), except for any exceptions noted in this chapter or any regulations not applicable to local government jurisdictions.”

• Local zoningPresent (with conditions)

  Land within Miles City city limits.

  • The city code cross-reference identifies Chapter 24 as the zoning chapter; parcel-specific district and use rules were not extracted from the current codified chapter during this research pass.

  “Cross reference— Fire codes, § 11-76 et seq.; flood damage prevention, ch. 12; disposal of refuse and debris resulting from construction, § 19-12; construction standards for streets and sidewalks, § 20-39 et seq.; excavations, § 20-66 et seq.; subdivision design and improvement standards, § 21-36 et seq.; utilities, ch. 23; zoning, ch. 24; building permit required, § 24-12; building permit for mobile homes, § 24-17; footings, piers and caps for mobile homes, § 24-18.”

• Building in a floodplainRequired

  New construction, substantial improvements, alterations, manufactured homes, fill, excavation, and other artificial obstructions in Miles City regulated flood hazard areas.

  • Applies except to prohibited artificial obstructions under Section 12-27.
  • Floodplain permits are subject to Section 12-50 and the general requirements of Section 12-36, except the Section 12-36(2) encroachment limit.
  • The code requires a permit for alteration of an existing artificial obstruction or nonconforming use that increases external size or flood hazard and is not exempt under Article V.

  “Except for prohibited artificial obstructions in section 12-27, all other artificial obstructions including new construction, substantial improvements, alterations to residential, and nonresidential structures including manufactured homes, and related suitable fill or excavation shall be allowed by permit and are subject to the requirements in this section and general requirements of section 12-36, with the exception of the encroachment limit of section 12-36(2).”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Miles City or Custer County directly.

• Owner-builder exemption — Owner-built residential construction inside Miles City city limits.
• Inspections — Residential building work inside Miles City city limits.
• Certificate of occupancy — New or altered residential buildings inside Miles City city limits.
• Minimum dwelling size — Single-family residential districts inside Miles City city limits.
• Minimum lot size — Single-family residential districts inside Miles City city limits.

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.

Off-grid gear

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

• Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
• Power Bluetti Solar generators and home battery backup for living off the grid.
• Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
• Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.

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