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 2, 2026.
Knox County, Illinois, has about 49,000 residents (2024 Census Bureau estimate). The title to a parcel in Knox County is in the deed records of the County Recorder and its taxable value is set by the Supervisor of Assessments; 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: Knox County public records, Knox County arrest records, Knox County warrants, Knox County inmate search, Knox County criminal records, Illinois arrest records and Illinois inmate search.
Deeds, Mortgages and Liens in Knox County
Deeds, mortgages, liens and easements that affect title to land in Knox County are recorded by the County Recorder, which indexes them by name and sells copies.
SearchSystems opened and checked the County Recorder's page at knoxcountyil.gov/departments/county_recorder/index.php (page title: Knox County, Illinois), phone 309-345-6718, 200 South Cherry Street Galesburg, IL 61401, a site that blocks automated checks (HTTP 403), so open it in a browser.
Assessed Values and the Tax Roll in Knox County
The Supervisor of Assessments sets the value each parcel in Knox County is taxed on and keeps the parcel maps. Illinois assesses property at a third of market value; Cook County reassesses one third of the county each year and the rest of the state runs on four-year cycles.
SearchSystems opened and checked the Supervisor of Assessments' page at knoxcountyil.gov/departments/assessment_office/index.php (page title: Knox County, Illinois), phone 309-345-3845, 121 S Prairie Street, Suite 1, Galesburg, IL 61401, a site that blocks automated checks (HTTP 403), so open it in a browser.
Permits and City Records in the Cities of Knox County
Building permits, zoning and code cases inside a city are the city's own records. The cities in Knox County with a SearchSystems guide to their offices, with the city page SearchSystems verified:
- Galesburg: the city hall page SearchSystems verified is at ci.galesburg.il.us/government/departments/index.php (verified September 25, 2026).
Evictions and Court Cases About Land in Knox County
Court cases about land from Knox County, evictions among them, are filed in the Circuit Court of Knox County.
The court records page SearchSystems verified for the county is at illinoiscourts.gov/courts-directory/25/Knox-County-Courthouse/court, phone (309) 345-3847.
Asking a County Office for a Record
Under the Illinois Freedom of Information Act a county office must answer a request within 5 business days, with one 5-day extension, and it may charge copying only after the first 50 pages.
Frequently Asked Questions
Who records deeds in Knox County?
The County Recorder.
Who sets the assessed value of a property in Knox County?
The Supervisor of Assessments.
Where are evictions from Knox County filed?
In the Circuit Court of Knox County. The file is public unless the court seals it.
How is property assessed in Illinois?
Illinois assesses property at a third of market value; Cook County reassesses one third of the county each year and the rest of the state runs on four-year cycles.
Is this the official Knox 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.