County Building Permits
Washington County, OK - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Washington County, Oklahoma. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
Enhanced 911 addressing in unincorporated areas and smaller municipalities, floodplain management for unincorporated areas, and code enforcement in unincorporated areas limited to state statute violations
- Department
- Washington County Community Development
- Address
- Judicial Center, 420 S. Johnstone Ave., Bartlesville, OK 74003; Courthouse Administration Building, 400 S. Johnstone Ave., Bartlesville, OK 74003
- Phone
- (918) 331-2710 office; (918) 977-0979 cell
Application Process
General Requirements
No county building permit trigger was published in the source reviewed
Work That Does NOT Require a Permit
Contact the Washington County Community Development to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
Additional Resources
- Other useful links
- Other useful links
- Other useful links
- License lookup guide: Oklahoma Contractor License Requirements
- Contract template: Oklahoma Homeowner-Contractor Agreement
- Oklahoma hub: Oklahoma Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Washington County Community Development before applying.
Frequently Asked Questions
Washington County Building Permit FAQ
- Do I need a building permit in unincorporated Washington County, OK?
- No county building permit trigger was published in the source reviewed
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