Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. Every office link was opened and checked against the office's own site on September 24, 2026.
Washington County, Oklahoma, has about 54,000 residents (2024 Census Bureau estimate). The title to a parcel in Washington County is in the deed records of the County Clerk and its taxable value is set by the County Assessor; what is built on it is a matter for the city or the county. This guide says who keeps each record and where the page for each office is.
This guide covers deeds, assessed values, directory links, city permits, evictions and court cases, records requests and common questions.
Related guides: Washington County public records, Washington County arrest records, Washington County warrants, Washington County inmate search, Washington County police reports, Oklahoma arrest records and Oklahoma inmate search.
Deeds, Mortgages and Liens in Washington County
Deeds, mortgages, liens and easements that affect title to land in Washington County are recorded by the County Clerk, which indexes them by name and sells copies.
SearchSystems opened and checked the County Clerk's page at washingtoncountyok.gov/land-records-online (page title: Washington County), which answered when SearchSystems opened it on September 24, 2026.
Assessed Values and the Tax Roll in Washington County
What a parcel in Washington County is taxed on is the business of the County Assessor, which also keeps the parcel maps. Oklahoma caps the yearly rise in a homestead's taxable value at 3 percent and other property at 5 percent.
SearchSystems opened and checked the County Assessor's page at washingtoncountyok.gov/assessor (page title: Washington County), phone (918) 337-2830, which answered when SearchSystems opened it on September 24, 2026.
More Official Property and Land Records Pages for Washington County
The SearchSystems directory, online since 1997, lists the official pages for Washington County and Oklahoma. These recorded document pages from its Washington County listing were opened again on October 2, 2026 and each one still answers:
- Registrar of Deeds (washingtoncountyok.gov)
Permits and City Records in the Cities of Washington County
Building permits, zoning and code cases inside a city are the city's own records. The cities in Washington County with a SearchSystems guide to their offices, with the city page SearchSystems verified:
- Bartlesville: the city hall page SearchSystems verified is at cityofbartlesville.org/contact-us, phone 918.338.4282 (verified September 26, 2026).
Evictions and Court Cases About Land in Washington County
Court cases about land from Washington County, evictions among them, are filed in the Washington County District Court.
Asking a County Office for a Record
Under the Oklahoma Open Records Act a county office must answer a request promptly; the statute sets no number of days, and it may charge copying at no more than 25 cents a page.
Frequently Asked Questions
Who records deeds in Washington County?
The County Clerk, at washingtoncountyok.gov/land-records-online. Deeds, mortgages and liens on land in Washington County are filed there, and the County Assessor (washingtoncountyok.gov/assessor) has the assessment records.
Who sets the assessed value of a property in Washington County?
The County Assessor, whose page SearchSystems verified is at washingtoncountyok.gov/assessor.
Where are evictions from Washington County filed?
In the Washington County District Court. The file is public unless the court seals it.
How is property assessed in Oklahoma?
Oklahoma caps the yearly rise in a homestead's taxable value at 3 percent and other property at 5 percent.
Is this the official Washington County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.