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§ OK Washington County
County building permits

Unincorporated Washington County

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

Last verified
April 2026
On this page 3
§ 01

Permit authority

Washington County Community Development

Street 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
Email
Contact form only from the public page
Coverage
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
Website
Department website
§ 02

When a permit is required

Permit triggers and exempt work for Washington County

No county building permit trigger was published in the source reviewed

§ 03

Frequently asked

Common questions about unincorporated Washington County permits

01 Do I need a building permit in unincorporated Washington County, OK? ▸
No county building permit trigger was published in the source reviewed
last verified April 2026 source Washington County Community Development ↗ entry id permits/oklahoma/washington/unincorporated
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Educational reference. Permit rules and fees change — confirm current requirements directly with Washington County Community Development before applying. Jaspector is not legal advice.

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