Bolthole Index

Campbell County, Wyoming

Zoning, building permits and septic rules in Gillette, Wyoming

Gillette is a city in Campbell County, Wyoming. Gillette adopts its own zoning, so inside its limits Gillette’s rules apply, not the county’s. 3 rules below are quoted from official sources and independently re-checked, most recently on November 12, 2026. Rules for unincorporated land are on the Campbell County page.

Answers from the rulebook for Gillette

Gillette’s own rules

  • Local zoningPresent

    Land inside Gillette city limits

    • The city's Planning Division administers the zoning ordinance; the ordinance text itself could not be opened (PDF text unavailable), so district rules are not recorded.
    “the planning division administers the zoning ordinance and subdivision regulations, reviews and issues permits for development.”
  • Subdividing landRegulated (with conditions)

    Subdivision of land inside Gillette city limits

    • Subdivision regulations exist as a separate city code document; their text was not readable.
    “the planning division administers the zoning ordinance and subdivision regulations, reviews and issues permits for development.”
  • Permit processPartial

    Permit applications inside Gillette city

    • Online EnerGov portal described; detailed process steps not reviewed.
    “citizen self service will allow you to apply for a permit, plan or a contractor license.”

Still unanswered

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

  • Building permit — Building permits inside Gillette city
  • Owner-builder exemption — Owner-builder exemption inside Gillette city
  • Building code adopted — Building codes inside Gillette city
  • Inspections — Inspections inside Gillette city
  • Certificate of occupancy — Certificates of occupancy inside Gillette city
22 more unanswered
  • Zoning districts
  • Minimum dwelling size
  • Minimum lot size
  • Setbacks
  • Lot coverage
  • Building height
  • 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
  • Mandatory utility hookup
  • Agricultural exemption
  • Driveway access
  • Building in a floodplain
  • Short-term rentals
  • 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 Gillette publishes no rule on the point, not that none exists. Campbell County’s page lists the county offices to call.

Off-grid gear

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

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