Bolthole Index

Natrona County, Wyoming

Zoning, building permits and septic rules in Town of Bar Nunn, Wyoming

Town of Bar Nunn is a town in Natrona County, Wyoming. Town of Bar Nunn adopts its own zoning, so inside its limits Town of Bar Nunn’s rules apply, not the county’s. 11 rules below are quoted from official sources and independently re-checked, most recently on October 24, 2026. Rules for unincorporated land are on the Natrona County page.

Answers from the rulebook for Town of Bar Nunn

Town of Bar Nunn’s own rules

  • Building permitLimited

    Structures on lots in a Bar Nunn subdivision, and tracts inside the town that are not in a subdivision.

    • For a lot in a subdivision, the plat must first be approved and recorded.
    • The zoning and planning commission and town council may issue a building permit for a tract not in a subdivision that is located inside the town.
    “The town zoning and planning commission shall not issue building or repair permits for any structure on a lot in a subdivision for which a plat has not been approved and recorded”
  • Building code adoptedAdopted (with conditions)

    Construction regulated inside Bar Nunn town limits.

    • The ordinance identifies the International Building Code, 2003, or current edition, and states that a copy is kept at Bar Nunn Town Hall.
    • The ordinance was adopted by Ord. 2004-05 on December 21, 2004.

    adopted building code: International Building Code, 2003, or current edition · ordinance adoption date: 2004-12-21

    “There is hereby adopted by the town of Bar Nunn [...] the international building code, 2003, or current edition.”
  • InspectionsLimited

    Required landscaping work for structures where Bar Nunn zoning landscaping requirements apply.

    • Inspection and approval are required within one year of the building-permit issue date unless a certificate of occupancy is obtained through acceptable assurance for completion.
    • The provision applies to construction in R-4, B-1, B-2, I-1, and I-2 districts.

    inspection deadline: <= 1 year from building-permit issue date (unless a certificate of occupancy is obtained by providing acceptable assurance to the town)

    “all work as indicated on the landscaping plan shall be inspected and approved by the town engineer or designee of zoning and planning.”
  • Certificate of occupancyLimited

    Structures subject to Bar Nunn's landscaping requirements.

    • Early certificate issuance before landscaping completion is available only when completion is impossible because of seasonal or weather conditions.
    • The landowner must submit specified acceptable assurance equal to the landscaping-work cost and a written assurance for completion within no more than one year of the building-permit issue date.

    completion period: <= 1 year from building-permit issue date (where certificate is issued before required landscaping is complete)

    “A landowner may obtain a certificate of occupancy for a structure prior to the completion of the required landscaping work if the completion is not possible due to seasonal or weather conditions”
  • Local zoningPresent (with conditions)

    Land inside Bar Nunn town limits, including development in the town's identified zone districts.

    • The cited zoning provision applies specifically to construction in R-4, B-1, B-2, I-1, and I-2 zone districts.
    “This section shall apply to construction undertaken in the R-4, B-1, B-2, I-1 and I-2 zone districts.”
  • Zoning districtsPartial

    Bar Nunn zoning districts identified in the opened landscaping regulation.

    • The opened provision identifies only R-4, B-1, B-2, I-1, and I-2 for that provision; it is not a complete zoning-district list.

    identified zoning districts: R-4, B-1, B-2, I-1, I-2 (identified only for § 8-3-11 applicability)

    “This section shall apply to construction undertaken in the R-4, B-1, B-2, I-1 and I-2 zone districts.”
  • Mandatory utility hookupConditional

    Annexation petitions, subdividers, and persons seeking to replat property for service with Bar Nunn.

    • Before council approval, the applicant must either have an executed water agreement with Wardwell Water and Sewer District or make suitable arrangements with the town for water and sewer service.
    “shall have made suitable arrangements with the town for water and sewer service.”
  • Subdividing landRegulated (with conditions)

    Land subdivisions within or partially within Bar Nunn town limits.

    • Subdivision or platting must conform completely to Title 9.
    • A subdivision plat must be approved and recorded before sale or transfer by reference to the plat and before building permits can issue for structures on lots in the subdivision.

    subdivision application minimum fee: 200 USD per subdivision (or $10 per lot, subject to a $1,000 maximum)

    “No person shall subdivide or plat any land that is within or partially within the town [...] except in complete conformity with the provisions set forth in this title.”
  • Permit feesPublished (with conditions)

    Subdivision-permit applications inside Bar Nunn town limits.

    • Each application has a minimum $200-per-subdivision fee or $10-per-lot fee, capped at $1,000.
    • The cited fee provision was adopted by Ord. 2012-04 on July 17, 2012.

    subdivision permit fee: 200 USD per subdivision (or $10 per lot; maximum fee $1,000) · per-lot subdivision permit fee: 10 USD per lot (maximum fee $1,000) · maximum subdivision permit fee: 1000 USD

    “Each application for a subdivision permit shall be accompanied by a minimum of two hundred dollars ($200.00) per subdivision, or ten dollars ($10.00) per lot, with a maximum fee of one thousand dollars ($1,000.00).”
  • Permit processPartial

    Subdivision and related building-permit processing inside Bar Nunn town limits.

    • For subdivision lots, the plat must be approved and recorded before building or repair permits issue.
    • The title also applies to tracts within town that are not subdivided and to certain land outside town limits that may annex.
    “shall not issue building or repair permits for any structure on a lot in a subdivision for which a plat has not been approved and recorded”

Rules another office applies inside Town of Bar Nunn

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

  • SetbacksDistrict specific (with conditions)

    Landscaped setbacks for construction in Bar Nunn R-4, B-1, B-2, I-1, and I-2 zone districts.

    • The stated requirements are landscaped setbacks, not a complete principal-structure setback schedule.
    • A nonstreet zone-district boundary has no minimum landscaped-setback depth, but may require trees or buffers.

    major arterial, expressway, or freeway landscaped setback: 25 feet · minor arterial landscaped setback: 20 feet · nonarterial street landscaped setback: 10 feet

    “Minimum depth of landscaped setback: [...] Adjacent to any nonarterial street, ten feet (10').”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Town of Bar Nunn or Natrona County directly.

  • Owner-builder exemption — Owner-built residential construction inside Bar Nunn town limits.
  • Minimum dwelling size — Single-family residential districts inside Bar Nunn town limits.
  • Minimum lot size — Single-family residential districts inside Bar Nunn town limits.
  • Lot coverage — Land inside Bar Nunn town limits.
  • Building height — Land inside Bar Nunn town limits.
14 more unanswered
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Agricultural exemption
  • 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 Bar Nunn publishes no rule on the point, not that none exists. Natrona County’s page lists the county offices to call.

Off-grid gear

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

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