Washington County, Illinois Property Owner Lookup
Who owns property in Washington County? Enter the street address below to see the owner of record and the tax-roll mailing address as the public roll lists it.
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For a title file, a lender package or a client memo, a Washington County brief gives you the owner of record, tax-roll mailing address, site address, and assessed or market value (with Pro) in one place, cited to the Washington County parcel layer.
What's in a Washington County brief
Every field named above, plus the parcel ID, a map, the file date, and brief and exhibit PDFs. See a sample brief
Source and citation
Every Washington County brief cites the Washington County parcel layer. Illinois townships assess property and the county Supervisor of Assessments ties the roll together.
Washington County at a glance
Washington County is home to about 13,535 people, the 76th most populous of Illinois's 102 counties, with 0.1% of the state's residents. Its 563 square miles of land work out to roughly 24 residents per square mile, below the Illinois average of 229. The cited county layer lists 20,059 parcels.
Sources: Census Bureau population estimates (July 2024) and the Census 2024 Gazetteer.
Washington County questions
Who owns property in Washington County?
Enter the property's address above. You get the owner of record exactly as the Washington County parcel layer lists it.
Who keeps property records in Washington County?
In Washington County, the Supervisor of Assessments keeps the roll. AssessorBrief cites it through the Washington County parcel layer.
What counties are near Washington County?
The closest Illinois counties to Washington County are Clinton County, Perry County, Jefferson County, St. Clair County, and Randolph County. Each lookup works the same way across the state line, too: Pro covers all states.
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Nearby counties
Data comes from the public assessor roll as published. Verify against the official record before relying on it. Not a title search or legal opinion. Use subject to our Terms.