Weston County, Wyoming
Town of Upton is a town in Weston County, Wyoming. Septic permits inside Town of Upton come from Town of Upton. 14 rules below are quoted from official sources and independently re-checked, most recently on November 12, 2026. Rules for unincorporated land are on the Weston County page.
Construction of buildings, sheds, other structures and setting mobile homes inside Upton town
penalty for work without permit: 50 USD
“Any construction in addition to the placement of a mobile home shall require a building permit.”
Buildings and structures within Upton town
adopted code edition: Uniform Building Code 1997 (modified by 15.04.020)
“The Uniform Building Code, 1997 Edition, including all of its indices and appendices, as published by the International Conference of Building Officials, is hereby adopted”
UBC Section 109 certificate of occupancy inside Upton town
“Section 109—Certificate of Occupancy: shall not apply”
Residential lots created under the town subdivision regulations inside Upton town
minimum residential lot dimensions: >= 75 ft x 100 ft feet
“The minimum dimensions for all residential lots shall not be less than 75 feet by 100 feet.”
Travel trailers, tent trailers and truck campers on private premises inside Upton town
short duration: <= 10 days
“A mobile home, tent trailer, travel trailer or truck camper parked on private premises may be used for sleeping purposes only for a short duration.”
Camping inside Upton town (private premises and city park)
short duration: <= 10 days
“Overnight camping shall not be allowed in the city park.”
Mobile homes inside Upton town
“It is unlawful for any person to park any mobile home within the corporate limits except as provided in this chapter or by the single mobile home development ordinance.”
Onsite sewage systems inside Upton town
“It shall be unlawful for any person to keep, maintain, or use an outdoor toilet, privy, cesspool, privy vault or septic tank.”
Outdoor toilets, privies, cesspools and septic tanks inside Upton town
“It shall be unlawful for any person to keep, maintain, or use an outdoor toilet, privy, cesspool, privy vault or septic tank.”
Mobile homes on individual lots and in mobile home parks inside Upton town
“Mobile homes on individual lots shall connect to town sewer and water systems and shall pay the required hookup fees.”
Subdivisions inside Upton town
“Prior to acceptance and approval of the final plat by the town council, the subdivider shall agree to make, at the cost of the subdivider, the following improvement:”
Driveways on individual mobile home lots inside Upton town
“All driveways shall be overlaid with an acceptable material.”
Building and mobile home permit fees inside Upton town
mobile home parking permit, singlewide: 50 USD · mobile home parking permit, doublewide: 75 USD · mobile home parking permit, triple wide: 100 USD · building permit 0-500 sq ft: $10.00 + 6 cents per sq ft (larger tiers in 15.04.020)
“Any person or entity that starts construction of a building, shed or other structure or that sets a mobile home without obtaining a proper permit shall be assessed an additional $50.00 added to the cost of the permit.”
Mobile home placement permit applications inside Upton town
“All applications for a permit shall contain the following:”
We looked and could not find an official answer yet. Silence is not permission; ask Town of Upton or Weston County directly.
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 Upton publishes no rule on the point, not that none exists. Weston County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Town of Upton means bringing your own water and power. The kit we’d start with:
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