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 28, 2026 and October 2, 2026.
St. Clair County, Missouri, has about 9,800 residents (2024 Census Bureau estimate). The title to a parcel in St. Clair County is in the deed records of the Recorder of Deeds 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: St. Clair County public records, St. Clair County arrest records, St. Clair County warrants, St. Clair County inmate search, St. Clair County criminal records, Missouri arrest records and Missouri inmate search.
Deeds, Mortgages and Liens in St. Clair County
Who owns a parcel in St. Clair County and what it sold for are in the deed records of the Recorder of Deeds, with every lien or mortgage against the land.
SearchSystems opened and checked the Recorder of Deeds' page at stclaircomo.com/recorder-deeds (page title: Recorder of Deeds | St. Clair County MO), a site that blocks automated checks (HTTP 403), so open it in a browser.
Assessed Values and the Tax Roll in St. Clair County
What a parcel in St. Clair County is taxed on is the business of the County Assessor, which also keeps the parcel maps. Missouri reassesses property in odd-numbered years and assesses homes at 19 percent of market value.
SearchSystems opened and checked the County Assessor's page at stclaircomo.com/assessor (page title: Assessor | St. Clair County MO), a site that blocks automated checks (HTTP 403), so open it in a browser.
Evictions and Court Cases About Land in St. Clair County
An eviction, a foreclosure, a lien dispute or a quiet title suit is a court case in the St. Clair County Circuit Court, and the file is public unless sealed.
Asking a County Office for a Record
Under the Missouri Sunshine Law a county office must answer a request within 3 business days, and it may charge research time and copying. The county records request page SearchSystems verified is at stclaircountyclerk.org/Request/Court_Document_Request_Form (page title: Court Document Request Form | St. Clair County Clerk's Office).
Frequently Asked Questions
Who records deeds in St. Clair County?
The Recorder of Deeds.
Who sets the assessed value of a property in St. Clair County?
The County Assessor.
Where are evictions from St. Clair County filed?
In the St. Clair County Circuit Court. The file is public unless the court seals it.
How is property assessed in Missouri?
Missouri reassesses property in odd-numbered years and assesses homes at 19 percent of market value.
Is this the official St. Clair 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.