Bolthole Index

Big Horn County, Wyoming

Zoning, building permits and septic rules in Town of Basin, Wyoming

Town of Basin is a town in Big Horn County, Wyoming. Town of Basin adopts its own zoning, so inside its limits Town of Basin’s rules apply, not the county’s. 6 rules below are quoted from official sources and independently re-checked, most recently on October 24, 2026. Rules for unincorporated land are on the Big Horn County page.

Answers from the rulebook for Town of Basin

Town of Basin’s own rules

  • Local zoningPresent (with conditions)

    Land within the Town of Basin, Wyoming.

    • The official zoning map is the final authority for the current zoning status of land within Town limits.
    “The Town of Basin is hereby divided into the following zoning districts”
  • Zoning districtsPublished (with conditions)

    Zoning districts inside Basin town limits.

    • The zoning district map is adopted as the official Zoning District Map and is located at Town Hall.
    • The map may be amended by ordinance in compliance with applicable local or state law.
    “The Town of Basin is hereby divided into the following zoning districts as shown below. These zoning districts are created in order to promote the orderly development of land within the Town of Basin. [...] The Zoning District Map of the Town of Basin is hereby adopted as the official Zoning District Map and is located at the Town Hall offices.”
  • Building heightDistrict specific (with conditions)

    Residential and Rural Residential zoning districts inside Basin town limits.

    • The applicable maximum height depends on the zoning district.

    Residential maximum building height: 35 ft · Rural Residential maximum building height: 35 ft

    “Residential [...] 35′ [...] Rural Residential [...] 35”
  • Agricultural exemptionAvailable (with conditions)

    Farm animals in the Rural Residential zoning district inside Basin town limits.

    • Applies to crop growing and light-concentration livestock or poultry activity appropriate for the lot size.
    • It excludes large commercial livestock and poultry operations with heavy concentrations.
    • Areas must be clean, sanitary, secure, and otherwise comply with Town ordinances.
    “The growing of crops and the rearing, feeding, grazing and management of livestock and poultry, including the keeping of roosters. This is not intended to allow large commercial livestock and poultry operations with heavy concentration of livestock and poultry, but rather to allow for light concentration as appropriate for the lot size. This includes hobby and educational small-scale farm operations primarily used for pleasure rather than a business venture and are not considered as the sole source of income. These areas shall be maintained clean, sanitary and secure and must otherwise abide by the Town of Basin ordinances. Farm animals are allowed in this zone with no permit required.”
  • Permit feesPublished (with conditions)

    Town building-permit applications for construction, erection, or removal inside Basin town limits.

    • The $25 fee is tendered with each application.
    • The fee is retained by the Town and is non-refundable whether or not the permit is granted.

    building permit application fee: 25 USD (Non-refundable regardless of whether the permit is granted.)

    “The owner or his or her agent shall, upon making application for a permit for any construction, erection, or removal, tender to the town clerk-treasurer the sum of $25 with each application. Each permit fee paid shall be retained by the town and is non-refundable regardless of the permit being granted or not.”
  • Permit processPublished (with conditions)

    Zoning-compliance permits for construction or demolition inside Basin town limits.

    • Industrial, commercial, institutional, public, manufactured-home-court, planned-residential-development, and multifamily applications require Planning Commission development-plan review and approval.
    • The development plan must be submitted at least 10 working days before a regular Planning Commission meeting.
    • Where Planning Commission review is required, the zoning officer issues the permit only after review and Town Council approval.

    development-plan submission lead time: >= 10 working days (Before a regular Planning Commission meeting.) · Planning Commission review period: <= 60 days (After review of the development plan.)

    “at least 10 working days prior [...] within 60 days [...] town council has approved the plan”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Town of Basin or Big Horn County directly.

  • Owner-builder exemption — Owner-built residences inside Basin town limits.
  • Building code adopted — Building construction inside Basin town limits.
  • Inspections — Building construction inside Basin town limits.
  • Certificate of occupancy — Occupancy of buildings inside Basin town limits.
  • Minimum dwelling size — Dwellings inside Basin town limits.
16 more unanswered
  • Minimum lot size
  • Lot coverage
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • 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 Town of Basin publishes no rule on the point, not that none exists. Big Horn County’s page lists the county offices to call.

Off-grid gear

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

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