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 24, 2026 and September 28, 2026.
McClain County, Oklahoma, has about 48,000 residents (2024 Census Bureau estimate). The title to a parcel in McClain 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: McClain County public records, McClain County arrest records, McClain County warrants, McClain County inmate search, McClain County police reports, Oklahoma arrest records and Oklahoma inmate search.
Deeds, Mortgages and Liens in McClain County
Who owns a parcel in McClain County and what it sold for are in the deed records of the County Clerk, with every lien or mortgage against the land.
SearchSystems opened and checked the County Clerk's page at mcclain-co-ok.us/offices/mcclain-county-clerk (page title: County Clerk | McClain County), phone 405-527-3360, 121 North 2nd Avenue, Purcell OK 73080, which answered when SearchSystems opened it on September 24, 2026.
Assessed Values and the Tax Roll in McClain County
What a parcel in McClain 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 mcclain-co-ok.us/offices/county-assessor (page title: County Assessor | McClain County Assessor), phone 405-527-3520, 121 N. 2nd Ave, Room 206 Purcell, OK 73080, which answered when SearchSystems opened it on September 28, 2026.
Permits and City Records in the Cities of McClain County
Building permits, zoning and code cases inside a city are the city's own records. The cities in McClain County with a SearchSystems guide to their offices, with the city page SearchSystems verified:
- Newcastle: the city hall page SearchSystems verified is at newcastleok.gov/news/acat/1/archive/12-2023, phone (405)387-4427 (verified September 26, 2026).
- Purcell: the city hall page SearchSystems verified is at purcellok.gov/facilities/facility/details/City-Hall-13, phone 405-527-6561 (verified September 26, 2026).
Evictions and Court Cases About Land in McClain County
Court cases about land from McClain County, evictions among them, are filed in the McClain 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 McClain County?
The County Clerk, at mcclain-co-ok.us/offices/mcclain-county-clerk, phone 405-527-3360. Deeds, mortgages and liens on land in McClain County are filed there, and the County Assessor (mcclain-co-ok.us/offices/county-assessor) has the assessment records.
Who sets the assessed value of a property in McClain County?
The County Assessor, whose page SearchSystems verified is at mcclain-co-ok.us/offices/county-assessor.
Where are evictions from McClain County filed?
In the McClain 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 McClain 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.