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County building permits

Unincorporated Washakie County

How to apply for a building permit in unincorporated Washakie County, Wyoming. Permit authority, application steps, fees, and inspection requirements.

Last verified
April 2026
On this page 5
§ 01

Permit authority

Washakie County Planning and Zoning Office

Street address
107 N 4th St, Worland, WY 82401
Coverage
Issues building and development permits for all unincorporated areas of Washakie County. Properties within the incorporated limits of Worland or Ten Sleep are NOT served by this office. Washakie County is a largely agricultural county in the Big Horn Basin of north-central Wyoming. Agricultural structures on working farms may have limited or no permit requirements; confirm with the county office before assuming exemption.
Online portal
Washakie County Website
Traditional paper/in-person process
§ 02

When a permit is required

Permit triggers and exempt work for Washakie County

Requirements vary based on whether Washakie County has adopted a building code. At minimum, expect permits to be required for new residential and commercial construction, additions, structural alterations, and accessory structures above a certain threshold. Agricultural structures (barns, sheds, equipment storage) on working agricultural operations may be exempt or subject to reduced requirements; confirm with the county office.

Agricultural structures (barns, sheds, equipment storage) on working agricultural operations may be exempt or subject to reduced requirements
Small accessory structures below a certain square footage threshold may be exempt
  • Exempt Agricultural structures (barns, sheds, equipment storage) on working agricultural operations may be exempt or subject to reduced requirements
  • Exempt Small accessory structures below a certain square footage threshold may be exempt

Note: Confirm specific exemptions with the Washakie County Planning and Zoning Office before assuming any project qualifies for exemption.

Required documents
  • Completed building permit application form
  • Site plan showing property lines, proposed structure location, and setback dimensions
  • Construction drawings or plans (detail level depends on county requirements)
  • Proof of ownership or legal access (warranty deed, contract for deed, or equivalent)
  • Contractor information, if a contractor is performing the work
  • Septic/well information for new residential construction (Wyoming Dept of Environmental Quality septic permit may also be required separately)
Owner-builder
Wyoming has no statewide contractor licensing requirement, meaning homeowners may generally act as their own general contractor without a license. However, electrical work on a permitted project requires a licensed electrician under Wyoming state electrical code. Confirm local requirements with the county before starting.
Contractor requirements
Wyoming does NOT have a statewide general contractor license requirement. However, electrical contractors must be licensed by the Wyoming Division of Labor Standards. HVAC and plumbing may have local or state registration requirements. Verify with the county and relevant state boards.
§ 03

Application process

Application → plan check → issuance → inspection → final

  1. 01
    Contact the Washakie County Planning and Zoning Office at (307) 347-3131 to confirm whether your specific project type requires a county building permit and what building code, if any, has been adopted
  2. 02
    Obtain a permit application form from the County Courthouse or request one by phone
  3. 03
    Prepare required documents: site plan, construction drawings, property information, contractor information (if applicable), and any applicable deed/access documentation
  4. 04
    Submit application and plan documents in person at the Courthouse
  5. 05
    Pay applicable plan review and permit fees at time of submittal (or as directed by staff)
  6. 06
    Await review by county staff. Rural counties may have longer review windows than urban jurisdictions; allow several weeks for larger or more complex projects
  7. 07
    Respond to any correction requests and resubmit revised documents as needed
  8. 08
    Receive issued permit; post on job site for the duration of construction
  9. 09
    Schedule and pass required inspections at required milestones
  10. 10
    Receive final sign-off upon satisfactory completion of all inspections

Source: Washakie County Planning and Zoning Office ↗

§ 04

Required inspections

Scheduling and sequence

How to schedule
  • Contact the Washakie County Planning and Zoning Office at (307) 347-3131 to schedule required inspections (phone)
Inspection hours
Standard county business hours, likely Monday through Friday, 8:00 a.m. to 5:00 p.m. (confirm current hours with the office)

Typical sequence: Typical inspection sequence for residential construction: 1. Foundation/footing inspection (after forms set and rebar placed, before concrete pour); 2. Underground plumbing inspection (if applicable, before backfill); 3. Rough framing inspection (after framing, blocking, and roofing complete); 4. Rough electrical inspection (conducted by state electrical inspector, NOT county); 5. Rough plumbing and mechanical inspection (if inspected by county); 6. Insulation inspection (if required by adopted code); 7. Final inspection (when construction is complete). State electrical inspections are independent of county building inspections. Coordinate scheduling with the Wyoming Division of Labor Standards separately at https://electricians.wyo.gov/ or (307) 777-7261.

Source: Washakie County Planning and Zoning Office ↗

§ 05

Frequently asked

Common questions about unincorporated Washakie County permits

01 Do I need a building permit in unincorporated Washakie County, WY?
Requirements vary based on whether Washakie County has adopted a building code. At minimum, expect permits to be required for new residential and commercial construction, additions, structural alterations, and accessory structures above a certain threshold. Agricultural structures (barns, sheds, equipment storage) on working agricultural operations may be exempt or subject to reduced requirements; confirm with the county office.
02 How do I apply for a building permit in unincorporated Washakie County, WY?
To apply for a building permit in unincorporated Washakie County, WY, follow these steps: 1. Contact the Washakie County Planning and Zoning Office at (307) 347-3131 to confirm whether your specific project type requires a county building permit and what building code, if any, has been adopted 2. Obtain a permit application form from the County Courthouse or request one by phone 3. Prepare required documents: site plan, construction drawings, property information, contractor information (if applicable), and any applicable deed/access documentation 4. Submit application and plan documents in person at the Courthouse 5. Pay applicable plan review and permit fees at time of submittal (or as directed by staff) 6. Await review by county staff. Rural counties may have longer review windows than urban jurisdictions; allow several weeks for larger or more complex projects 7. Respond to any correction requests and resubmit revised documents as needed 8. Receive issued permit; post on job site for the duration of construction 9. Schedule and pass required inspections at required milestones 10. Receive final sign-off upon satisfactory completion of all inspections
03 What work is exempt from building permits in unincorporated Washakie County, WY?
Not all construction work requires a permit in unincorporated Washakie County, WY. The following work is generally exempt: Agricultural structures (barns, sheds, equipment storage) on working agricultural operations may be exempt or subject to reduced requirements; Small accessory structures below a certain square footage threshold may be exempt. Note: Confirm specific exemptions with the Washakie County Planning and Zoning Office before assuming any project qualifies for exemption. When in doubt, confirm with the local building department before starting work.
04 How do I schedule a building inspection in unincorporated Washakie County, WY?
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Washakie County, WY via: Contact the Washakie County Planning and Zoning Office at (307) 347-3131 to schedule required inspections.
last verified April 2026 source Washakie County Planning and Zoning Office ↗ entry id permits/wyoming/washakie/unincorporated

Educational reference. Permit rules and fees change — confirm current requirements directly with Washakie County Planning and Zoning Office before applying. Jaspector is not legal advice.