Residential Building Permit (New Construction) in Green River, Wyoming

Green River requires a residential building permit (new construction) for: Building permit application submitted to the Development Services Building Inspection Division; Two sets of plans required: plot/site plan, foundation plan, floor plans, roof (framing) plan, elevations, sections and details; Plans must reflect Green River's Table R301.2(1) local design criteria: Ground Snow Load 30 psf, Wind Speed 115 mph, Seismic Design Category C, Frost Line Depth 42 inches, Winter Design Temp -20°F, Ice Shield Underlayment required, Air Freezing Index 2282; Certain commercial-adjacent projects may require State Fire Marshal's office review — confirm with the Building Inspector; Processed within 14 working days if the application is complete and clearly within code/regulation requirements; Permit automatically expires one year after issuance; extension available by written request to the Building Inspector. If your project isn't listed, confirm with City of Green River Development Services — Building Inspection Division at (307) 872-6140 before starting work.

In Green River, the published Building Permit Fee — residential rate, valuation $1 to $2,000 is: 50% of: $30.00 ($1-$500), $60.00 ($501-$1,000), or $90.00 ($1,001-$2,000). Additional published fees: Building Permit Fee — residential rate, valuation $2,001 to $25,000 — 50% of: $90.00 for the first $2,000 + $18.00 for each additional $1,000 or fraction thereof; Building Permit Fee — residential rate, valuation $25,001 to $50,000 — 50% of: $504.00 for the first $25,000 + $13.50 for each additional $1,000 or fraction thereof; Building Permit Fee — residential rate, valuation $50,001 to $100,000 — 50% of: $841.50 for the first $50,000 + $10.00 for each additional $1,000 or fraction thereof; Building Permit Fee — residential rate, valuation $100,001 to $500,000 — 50% of: $1,341.50 for the first $100,000 + $7.50 for each additional $1,000 or fraction thereof; Residential Plan Review Deposit (new single or two-family dwellings) — $100.00. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

If the application is complete and clearly within code and zoning requirements, the City targets processing within fourteen (14) working days. Call the Building Inspection Division at (307) 872-6140 to confirm approval status before visiting City Hall.

You'll need: Building Permit Application (DocumentCenter Doc #5572); Permit Application Process (DocumentCenter Doc #4167); Sample Drawings — Site Plan, Foundation, Floor Plan, Wall Section, Elevations (DocumentCenter Docs #4169-4173). Depending on your project, Green River may also ask for: Construction Regulations (DocumentCenter Doc #4165). See the required-documents checklist on this page for details on each.

Green River requires 4 inspection(s) for a residential building permit (new construction), in order: Foundation / Footing, Framing, MEP Rough-In, Final. Schedule each through City of Green River Development Services — Building Inspection Division ((307) 872-6140).

Apply through City of Green River Development Services — Building Inspection Division at 50 E 2nd North Street, Green River, WY 82935. Phone: (307) 872-6140, email: Contact via Development Services (see department website). Office hours: Monday through Friday, 8:00 a.m. to 5:00 p.m.. Official information: https://www.grwyo.org/87/Building-Inspection.

Green River, Wyoming has adopted: 2024 International Building Code (IBC), including Appendices B, I, J — adopted by City of Green River Code of Ordinances Sec. 7-16 (Ord. No. 16-02, 8-1-16; amended through Ord. No. 25-01, 1-21-25); Chapter 27 (Electrical) of the IBC is deleted by local amendment since electrical is separately governed by the local NEC adoption (Sec. 7-76); 2024 International Residential Code (IRC), including Appendices AA, BA, BE, BF, CA, CB, CD — Sec. 7-17 (Ord. No. 25-01, 1-21-25); local design criteria: Ground Snow Load 30 psf, Wind Speed 115 mph, Seismic Design Category C, Weathering Severe, Frost Line Depth 42 inches, Termite None to Slight, Winter Design Temp -20°F, Ice Shield Underlayment Required, Air Freezing Index 2282, Elevation 6,132 ft; 2024 International Plumbing Code (IPC), including all appendices — Sec. 7-31 (Ord. No. 25-01, 1-21-25), with local amendment to Section 305.4 (Freezing) restricting exterior/attic/crawlspace pipe placement; 2024 International Mechanical Code (IMC), including all appendices — Sec. 7-46 (Ord. No. 25-01, 1-21-25); 2024 International Fuel Gas Code (IFGC) — Sec. 7-91 (Ord. No. 25-01, 1-21-25); National Electrical Code (NEC), latest edition as adopted by the Wyoming State Fire Marshal's Office (2023 NEC was in effect through June 30, 2026; per wsfm.wyo.gov/electrical-safety, the 2026 NEC took effect statewide July 1, 2026) — adopted by reference for Green River under Sec. 7-76 (Ord. No. 16-02, 8-1-16; amended through Ord. No. 25-01, 1-21-25); enforced locally by the City under Home Rule, not by the state electrical program. Local amendments apply — see the Green River overview page for the full list.

Per the city's IRC amendment (Table R301.2(1)): Ground Snow Load 30 psf, Wind Speed 115 mph, Seismic Design Category C, Frost Line Depth 42 inches, Winter Design Temperature -20°F, and Ice Shield Underlayment is required.