Warren County, IL Property Records
Property records in Warren, Illinois document ownership, parcel boundaries, assessed values, property tax information, legal descriptions, transfers, liens, and recorded deeds or mortgages. These records are useful for homebuyers, property owners, real estate professionals, researchers, and anyone verifying ownership history, tax obligations, or land details before a sale, refinance, or development project.
Because Warren is located in Jo Daviess County, official property records are maintained by county offices such as the Supervisor of Assessments, Treasurer, and County Clerk & Recorder. Users can access assessment details, tax information, and recorded land documents through the county’s official resources, starting with the Jo Daviess County official property records website or by contacting the appropriate county office directly.
Warren County, IL Property Records & Statistics
Warren County has lower housing costs than Illinois overall, with a larger share of renters than the state. The median rent is $734, under the state median of $762 and the national median of $840.25. Renter-occupied housing makes up 25.46% of occupied homes, well above the state's 18.61% and the national 21.81%, which suggests an active rental market for a county of its size.
The median home value is $96,100, compared with $116,950 in Illinois and $173,750 nationally. The median property tax rate is 1.8%, matching the state rate exactly and more than double the national rate of 0.74%. Owners in Warren County therefore pay a high tax relative to the price of a home, a pattern common across Illinois.
The median household income is $62,679, a little below the state figure of $65,699.50 and the national figure of $65,108. The unemployment rate is 3.68%, above both the Illinois rate of 2.92% and the national rate of 2.87%.
In short, the county combines low home values and rents with a high property tax rate, incomes slightly under average, and somewhat elevated unemployment.
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Median Property Tax Rate
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Property Records, Assessments, and Valuations in Warren
Warren County property records include tax assessments, recorded deeds and mortgages, valuations, and foreclosure filings. The county has 14,114 total parcels, including 7,257 residential and 765 commercial parcels, with tax records covering 92.88% of the population for the 2024 assessment year. Recorded documents total 22,728 deeds and 12,256 mortgages, and valuation data is available for 6,049 properties.
| Key Data | Details |
|---|---|
| Total Parcels | 14,114 |
| Residential Parcels | 7,257 |
| Commercial Parcels | 765 |
| Tax Record Coverage | 92.88% |
| Assessment Year | 2024 |
| Deed Records | 22,728 |
| Mortgage Records | 12,256 |
| Properties with Valuation Data | 6,049 |
| Latest Valuation Update | August 19, 2025 |
| Notice of Sale Records | 2,214 |
Assignment and Release Records
Assignment and release records trace the life of a mortgage after it is recorded. An assignment documents that a mortgage was transferred from one lender or loan holder to another, and a release documents that the loan was paid off and the lien removed.
Warren County has 18,420 assignment and release records, including 1,264 assignment documents, 17,151 release documents, and 5 other documents. Assignments were recorded from February 4, 2005, to August 25, 2025, and releases from January 3, 2005, to August 29, 2025.
For property research, these records show who holds a mortgage and whether earlier loans were satisfied. Buyers, owners, and title researchers can use them to confirm that past liens were cleared, follow a loan between lenders, and identify mortgages that may remain open before a sale or refinance.
How to Search Warren County, IL Property Records
Warren County property records are kept primarily by the Warren County Clerk & Recorder's Office in Monmouth, which holds recorded deeds, mortgages, and other land documents. The county has 14,114 parcels, with deed and mortgage records running from January 3, 2006, to August 25, 2025.
The Warren County Clerk & Recorder's Office page is the official resource for the office's services, contact details, and electronic recording information. Use it to learn how to look up or request deeds, mortgages, and other recorded instruments.
To search, have the property address, owner's name, or parcel number ready. Follow the search options on the Clerk & Recorder page, enter the most complete details you have, and open the record that matches your property. Results can show ownership transfers, mortgage filings, and parcel details.
The office is at 100 W. Broadway, Monmouth, IL 61462, open Monday through Friday, 8:00 AM to 4:30 PM. For questions, call 309-734-8592.
Warren Registrar of Deeds
The Warren County Probate Office is located at 100 W. Broadway, Monmouth, IL, 61462 and can be reached at 309-734-8592. Office hours are Monday-Friday 8:00 AM – 4:30 PM. Records can be accessed through the official website warrencountyil.com.
Warren County Clerk & Recorder's Office
Warren County Property Records FAQ
How can I search Warren County property records by address?
Begin with the Warren County Clerk & Recorder's Office page for the available record search options. Enter the full street address, and try a shorter version if nothing is found. You can also call 309-734-8592 for help locating a parcel.
How can I find property owners in Warren County?
Owners are identified through recorded deeds and assessment records. Contact the Warren County Clerk & Recorder's Office at 100 W. Broadway, Monmouth, or call 309-734-8592, and ask how to look up the owner of a parcel by address or parcel number. The county has 22,728 deed records.
How can I check a property's assessed value in Warren County?
Warren County's records reflect the 2024 assessment year, with the latest assessor update on August 6, 2025. To confirm the assessed value of a specific parcel, call the Clerk & Recorder's Office at 309-734-8592 and ask which county office handles assessments for your parcel number.
Where can I find Warren County property tax bills and payment records?
Warren County's tax records show tax year 2024. For help finding a tax bill or payment history, call the Clerk & Recorder's Office at 309-734-8592 and ask for the correct contact. Having your parcel number or the owner's name ready speeds things up.
How can I find deeds and other recorded documents in Warren County?
Deeds, mortgages, and other recorded documents are handled by the Clerk & Recorder's Office. Visit the Warren County Clerk & Recorder's Office page, or stop by 100 W. Broadway, Monmouth, Monday through Friday, 8:00 AM to 4:30 PM. Records run from January 3, 2006, to August 25, 2025.
Where can I access Warren County parcel maps and GIS information?
The county has 14,114 parcels. For parcel maps and GIS information, call the Clerk & Recorder's Office at 309-734-8592 and ask which county office maintains them. A parcel number from a deed or tax bill will help staff direct you.
How can I check permits and zoning information in Warren County?
Permit and zoning requirements depend on the property's location. Call the Clerk & Recorder's Office at 309-734-8592 to be pointed to the right county office, and for properties inside Monmouth or another city, check with that city about its own rules.
How can I create a list of property owners in Warren County?
Online tools are built for single-property lookups. For a larger list or bulk records, contact the Clerk & Recorder's Office at 309-734-8592 to ask what is available, and see the office page for services and eRecording information.