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.
Ottawa County, Oklahoma, has about 30,000 residents (2024 Census Bureau estimate). The title to a parcel in Ottawa 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, city permits, evictions and court cases, records requests and common questions.
Related guides: Ottawa County public records, Ottawa County arrest records, Ottawa County warrants, Ottawa County inmate search, Ottawa County criminal records, Oklahoma arrest records and Oklahoma inmate search.
Deeds, Mortgages and Liens in Ottawa County
Deeds, mortgages, liens and easements that affect title to land in Ottawa 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 ottawaok.gov/offices/county-clerk (page title: County Clerk), phone 918.542.3332, which answered when SearchSystems opened it on September 24, 2026.
Assessed Values and the Tax Roll in Ottawa County
What a parcel in Ottawa 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 ottawaok.gov/offices/county-assessor (page title: County Assessor), phone 918.542.9418, which answered when SearchSystems opened it on September 24, 2026.
Permits and City Records in the Cities of Ottawa County
Building permits, zoning and code cases inside a city are the city's own records. The cities in Ottawa County with a SearchSystems guide to their offices, with the city page SearchSystems verified:
- Miami: the city hall page SearchSystems verified is at miamiok.gov (verified September 26, 2026).
Evictions and Court Cases About Land in Ottawa County
Court cases about land from Ottawa County, evictions among them, are filed in the Ottawa County District Court.
The court records page SearchSystems verified for the county is at ottawaok.gov/offices/court-clerk, phone 918.542.2801.
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 Ottawa County?
The County Clerk, at ottawaok.gov/offices/county-clerk, phone 918.542.3332. Deeds, mortgages and liens on land in Ottawa County are filed there, and the County Assessor (ottawaok.gov/offices/county-assessor) has the assessment records.
Who sets the assessed value of a property in Ottawa County?
The County Assessor, whose page SearchSystems verified is at ottawaok.gov/offices/county-assessor.
Where are evictions from Ottawa County filed?
In the Ottawa 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 Ottawa 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.