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 between September 25, 2026 and September 30, 2026.
Delaware County, Oklahoma, has about 42,000 residents (2024 Census Bureau estimate). The title to a parcel in Delaware 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, evictions and court cases, records requests and common questions.
Related guides: Delaware County public records, Delaware County arrest records, Delaware County warrants, Delaware County inmate search, Delaware County criminal records, Oklahoma arrest records and Oklahoma inmate search.
Deeds, Mortgages and Liens in Delaware County
Deeds, mortgages, liens and easements that affect title to land in Delaware 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 delaware.okcounties.org/offices/county-clerk (page title: County Clerk), phone 918.253.4520, 327 S 5th St, Jay, OK 74346, which answered when SearchSystems opened it on September 30, 2026.
Assessed Values and the Tax Roll in Delaware County
What a parcel in Delaware 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 delaware.okcounties.org/offices/county-assessor (page title: County Assessor), phone 918.253.4523, 327 South 5th St. P.O. Box 569, Jay, OK 74346, which answered when SearchSystems opened it on September 25, 2026.
Evictions and Court Cases About Land in Delaware County
An eviction, a foreclosure, a lien dispute or a quiet title suit is a court case in the Delaware County District Court, and the file is public unless sealed.
The court records page SearchSystems verified for the county is at delaware.okcounties.org/offices/court-clerk, phone 918.253.4420.
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 Delaware County?
The County Clerk, at delaware.okcounties.org/offices/county-clerk, phone 918.253.4520. Deeds, mortgages and liens on land in Delaware County are filed there, and the County Assessor (delaware.okcounties.org) has the assessment records.
Who sets the assessed value of a property in Delaware County?
The County Assessor, whose page SearchSystems verified is at delaware.okcounties.org.
Where are evictions from Delaware County filed?
In the Delaware 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 Delaware 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.