Williamson County Assessor's Office

Popularity:#80 of 211 Assessor Offices in Illinois#1,361 in Assessor Offices

Williamson County Assessor's Office Contact Information

Address, Phone Number, and Fax Number for Williamson County Assessor's Office, an Assessor Office, at West Jefferson Street, Marion IL.

Williamson County Assessor's Office
200 West Jefferson Street
Marion, Illinois, 62959

Free Williamson County Assessor Office Property Records Search

Find Williamson County residential property tax assessment records, tax assessment history, land & improvement values, district details, property maps, tax rates, exemptions, market valuations, ownership, past sales, deeds & more.

Map of Williamson County Assessor's Office

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Related Public Records Searches

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Assessor Offices Nearby

Find 6 Assessor Offices within 22.5 miles of Williamson County Assessor's Office.

External Links

Find 9 external resources related to Williamson County Assessor's Office.

About the Williamson County Assessor's Office

The Williamson County Assessor's Office, located in Marion, Illinois, determines the value of all taxable property in Williamson County, IL. Taxable property includes land and commercial properties, often referred to as real property or real estate, and fixed assets owned by businesses, often referred to as personal property. Property assessments performed by the Assessor are used to determine the Williamson County property taxes owed by individual taxpayers.

Property owners may contact the Assessment Office for questions about:
  • Williamson County, IL property tax assessments
  • Property tax appeals and reassessments
  • Paying property tax bills and due dates
  • Property tax rates and tax roll
  • Williamson County GIS maps, property maps, and plat maps
  • Property records and deeds in Williamson County

Williamson County Home & Property Tax Statistics

Find Williamson County Home Values, Property Tax Payments (Annual), Property Tax Collections (Total), and Housing Characteristics. Data Source: U.S. Census Bureau; American Community Survey, 2018 ACS 5-Year Estimates.

Williamson County Home Values
 Williamson CountyIllinois
Median Home Value$111,800$187,200
Median Rental Cost (per month)$721$984
Williamson County Property Tax Payments (Annual)
 Williamson CountyIllinois
Median Property Taxes$1,685$4,299
Median Property Taxes (Mortgage)$1,990$4,695
Median Property Taxes (No Mortgage)$1,345$3,552
Williamson County Property Tax Collections (Total)
 Williamson CountyIllinois
Property Taxes$39,735,100$16,076,191,800
Property Taxes (Mortgage)$23,943,900$11,131,041,700
Property Taxes (No Mortgage)$15,791,200$4,945,150,100
Williamson County Housing Characteristics
 Williamson CountyIllinois
Total Housing Units31,2005,347,268
Occupied Housing Units27,089 (86.8%)4,830,038 (90.3%)
Vacant Housing Units4,111 (13.2%)517,230 (9.7%)
Owner Occupied Housing Units18,929 (69.9%)3,189,035 (66.0%)
Renter Occupied Housing Units8,160 (30.1%)1,641,003 (34.0%)
Housing Units (Mortgage)53.0%63.8%
Housing Units (No Mortgage)47.0%36.2%