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 23, 2026 and October 4, 2026.
Warrenton, Missouri, in Warren County, has about 9,400 residents (2024 Census Bureau estimate). The title to a parcel in Warrenton 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. This guide says who keeps each record and where the page for each office is.
This guide covers deeds, assessed values, city permits and records, evictions and court cases, records requests and common questions.
Related guides: Warrenton public records, Warren County property records, Warrenton arrest records, Warrenton warrants, Warrenton inmate search, Warrenton criminal records, Missouri arrest records and Missouri inmate search.
Deeds, Mortgages and Liens in Warrenton
Deeds, mortgages, liens and easements that affect title to land in Warrenton are recorded by the Recorder of Deeds, which indexes them by name and sells copies.
SearchSystems opened and checked the Recorder of Deeds' page at warrencountymorecorder.com (page title: Warren County MO Recorder | Warren County MO Recorder), phone 636-456-9800, 101 Mockingbird Ln Suite 303 Warrenton, MO 63383, Monday thru Friday 8am to 4:30 pm., which answered when SearchSystems opened it on September 23, 2026.
Assessed Values and the Tax Roll in Warrenton
The County Assessor sets the value each parcel in Warrenton is taxed on and 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 warrencoassessor.com (page title: Warren County Missouri Assessor), phone 636-456-8885, which answered when SearchSystems opened it on September 23, 2026.
Permits and City Records in Warrenton
Building permits, zoning and code cases are the city's own. For Warrenton, SearchSystems opened and checked the city hall page at warrenton-mo.org/contact-us (page title: Contact Us | City of Warrenton, Missouri), phone 636-456-3535, 200 West Booneslick Road Warrenton, MO 63383, Monday - Friday: 8am - 5pm, which answered when SearchSystems opened it on September 26, 2026.
Evictions and Court Cases About Land in Warrenton
Court cases about land from Warrenton, evictions among them, are filed in the Warren County Circuit Court.
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.
Frequently Asked Questions
Who records deeds in Warrenton?
The Recorder of Deeds, at warrencountymorecorder.com, phone 636-456-9800. Deeds, mortgages and liens on land in Warrenton are filed there, and the County Assessor (warrencoassessor.com) has the assessment records.
Who sets the assessed value of a property in Warrenton?
The County Assessor, whose page SearchSystems verified is at warrencoassessor.com.
Where are evictions from Warrenton filed?
In the Warren 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 Warrenton website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official city, county, court and state offices described above and does not hold records, charge for them or take requests.