Instant Access to Williamson County, IL Property Records
- Search by:
- Property Address
- Owner's Name
- Parcel ID
- Owner(s)
- Deed Records
- Loans & Liens
- Values
- Taxes
- Building Permits
- Purchase History
- Property Details
- And More!
Williamson County, Illinois, houses 16 municipalities within its jurisdiction. In Williamson County, IL, property records are official documents used in ownership verification, property history research, and value determination.
The latest data on Williamson County property records reflects a median household income of $55,272.00, an average home value of $105,200.00, and a median rent of $773.50. As to the property taxes, the county imposes 1.56% of a property's assessed fair market value on average.
Property records in Williamson County, IL, fall under the custody of the County Clerk, who also acts as the County Recorder. The Clerk’s duty as the Recorder is to record property documents and maintain and assist the public in retrieving, researching, copying, and viewing them. These include deeds, mortgages, releases, plats, surveys, and liens.
Property archives in the county are indexed generally by party name, document type, book/page information, date range, and legal description. They are stored in original and electronic formats for the public’s perusal.
Researchers can access property records at the Remote Land Records Search website, which is available 24/7. While it requires account registration, the website does house a wide array of property document images from 1999 to the present and indexed information from 1992 onwards. Alternatively, the Clerk’s office in Suite 119, Marion, IL, is open to those who prefer on-site records search during working hours.
Fees for obtaining property records in Williamson County vary. Standard copies are priced at $1 per page, along with a $10 search fee per document. If certification is requested, an additional $5 fee per document will apply.
If zoning verification is needed for a property in Williamson County, individuals can contact the local planning or zoning office of the municipality where the property is located. They can provide up-to-date information about land use and zoning ordinances and regulations.
Williamson County Property Statistics
For an easier overview of the difference in tax rates between counties, explore the charts below. You can also get additional insights on median home values, income levels and homeownership rates in your area.
Median Rent
Median Property Tax Rate
Median Home Value
Median Income
Unemployment Rate (%)
Renter Occupied Housing (%)
Property Tax Records in Williamson County, IL
Property tax records in Williamson County, IL, offer detailed information about property ownership, assessed values, and annual tax amounts. Property taxes help fund essential services like schools, roads, and emergency response.
For buyers, sellers, investors, and property managers, these records provide data that supports informed decisions and helps evaluate property opportunities.
Williamson County Property Tax Information
The following Williamson County offices assist users in obtaining information on property ownership, assessed values, and historical tax payments:
Property Tax Assessors
In Williamson County, IL, the Supervisor of Assessments is responsible for determining the assessed value of all properties, which in turn forms the basis for calculating property taxes. Property owners can access their assessment information online through the Williamson County Geographic Information System (GIS) portal.
If a property owner believes their assessment is inaccurate, they have the right to file a formal appeal with the Board of Review. The official form can be obtained from the office of the Supervisor of Assessments and must be sent during the designated filing period, which is typically within 30 days after the Supervisor of Assessments' publication list is released.
Property Appraisers
Appraised value, distinct from assessed value, reflects a property's market-based value and is typically determined by a licensed appraiser. It can be useful for transactions such as refinancing, appealing property taxes, or making investment decisions.
Property owners in Williamson County can choose to hire a professional appraiser or use online tools like PropertyChecker, which provides value estimates based on current market trends and comparable sales.
Property Parcel Search
Each property in Williamson County is assigned a unique parcel number, also known as a Property Index Number (PIN), which is used to locate property records, tax data, and legal documents. Through the Williamson County GIS portal, users can access an interactive map and detailed property reports by entering the parcel number, address, or owner name.
Available information includes boundary maps, zoning classifications, lot dimensions, and other key property characteristics. These tools are essential for due diligence in real estate transactions, land development, and property management.
Tax Assessor
- Total Parcels: 50,791
- Commercial Parcels: 2,901
- Residential Parcels: 38,976
- Other Parcels: 8,914
- Tax Amount Population: 92.12%
- Tax Year: 2021
- Last Assr Update: 2022-09-12
- Tape Cutoff Date: 2021-01-01
- Assessment Year: 2021
- FIPS Code: 17199
AVM
- County Population: 50791
- Most Current Valuation Date: 2023-03-21
- Total Parcels: 21,375
- Residential Parcels: 21,375
- FIPS Code: 17199
Geocode
- Total Parcels: 50,791
- Geocode Unavailable: 0
- Parcel-Centroid Geocodes: 49,857
- Street-Level Geocodes: 124
- Other Geocodes: 810
- FIPS Code: 17199
Foreclosure
- State FIPs: 17
- County FIPs: 199
- Judicial/Non-Judicial: Judicial
- Min Recording Date: 2005-10-26
- NOD Document Count: 0
- NOD Max Recording Date: N/A
- NTS Document Count: 0
- NTS Max Recording Date: N/A
- LP Document Count: 481
- LP MaxRecording Date: 2023-03-30
- NOS Document Count: 4051
- NOS Max Recording Date: 2023-04-06
Assignment and Release
- FIPs: 17199
- Total Records: 10500
- Assignment Min Recording Date: 2017-06-05
- Assignment Max Recording Date: 2023-04-05
- Assignment Doc Count: 1302
- Release Min Recording Date: 2017-05-30
- Release Max Recording Date: 2023-04-06
- Release Doc Count: 9181
- Other Min Recording Date: 2022-12-30
- Other Max Recording Date: 2022-12-30
- Other Doc Count: 17
Williamson County Registrar of Deeds
The Williamson County Clerk and Recorder's Office maintains official records related to property transactions, including deeds, liens, mortgages, and ownership history. These documents can help verify property ownership, understand encumbrances, and ensure a clear title during property transfers. Accurate records also play a significant role in property tax assessments.
Property records can be accessed online through the Remote Land Records Access portal, which provides indexing information from 1992 and document images from 1999 to the present. Free public terminals are also available.
For in-person inquiries or assistance, individuals can contact the County Clerk and Recorder's Office at (618) 998-2110.
County Treasurer
The County Treasurer collects property tax payments, tracks installment schedules, and handles delinquent accounts. Residents can view property tax bills and pay real estate and mobile home taxes on the county treasurer's website, which also provides downloadable payment coupons and detailed transaction histories.
Williamson County Clerk & Recorder
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Address: | 407 N Monroe |
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Phone: | 618-998-2110 |
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Fax: | 618-993-2071 |
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Hours: | Monday-Friday 8:00 AM – 4:00 PM |
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Email: | abarnes@williamsoncountyil.gov |
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Website: | https://www.williamsoncountyil.gov/county-clerk-and-recorder/ |
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Official Records Search: | https://www.williamsoncountyil.gov/county-clerk-and-recorder/ |
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eRecording: | https://goepn.com/ |
Municipality-Level Property Tax Information
In Williamson County, IL, property tax records and related information are primarily managed at the county level through centralized tools like the Williamson County GIS portal. However, individual municipalities may also offer additional resources or guidance.
Below are the five largest municipalities in Williamson County, each with an overview of how to access this information:
Marion
Marion residents can access property assessments and tax records through the Supervisor of Assessments. Deeds, liens, and other official documents are available via the County Clerk & Recorder's Office.
For zoning inquiries, the City of Marion offers a zoning map on its website. Zoning board agendas and regulations are also available for viewing through the city's Department of Building and Code Services.
Herrin
Herrin property owners use the same county resources to obtain tax and assessment details.
Within city limits, Herrin's Code Enforcement Department administers land‐use standards and enforces the municipal codes governing property maintenance and nuisance abatement. For more information, individuals can contact the office at (618) 942-6004.
Carterville
Carterville residents can also access assessment and tax history through county systems. The city publishes zoning maps and building guidelines online and offers permit assistance through its Building and Zoning Department.
Marion Township
Distinct from the City of Marion, which serves as the county seat, Marion Township's property tax information is managed through the county GIS portal. The county resource offers access to assessment data, tax history, and parcel maps. Users can search by parcel number, address, or owner name to retrieve relevant information.
Johnston City
While property tax assessments are managed at a county level, zoning regulations are governed locally. The Johnston City Code of Ordinances, which outlines zoning classifications and permitted uses, is available online. For more information, individuals can contact the city office directly at (618) 983-5223.
Other Counties in Illinois
- Adams County
- Alexander County
- Bond County
- Boone County
- Brown County
- Bureau County
- Calhoun County
- Carroll County
- Cass County
- Champaign County
- Christian County
- Clark County
- Clay County
- Clinton County
- Coles County
- Cook County
- Crawford County
- Cumberland County
- De Witt County
- DeKalb County
- Douglas County
- DuPage County
- Edgar County
- Edwards County
- Effingham County
- Fayette County
- Ford County
- Franklin County
- Fulton County
- Gallatin County
- Greene County
- Grundy County
- Hamilton County
- Hancock County
- Hardin County
- Henderson County
- Henry County
- Iroquois County
- Jackson County
- Jasper County
- Jefferson County
- Jersey County
- Jo Daviess County
- Johnson County
- Kane County
- Kankakee County
- Kendall County
- Knox County
- La Salle County
- Lake County
- Lawrence County
- Lee County
- Livingston County
- Logan County
- Macon County
- Macoupin County
- Madison County
- Marion County
- Marshall County
- Mason County
- Massac County
- McDonough County
- McHenry County
- McLean County
- Menard County
- Mercer County
- Monroe County
- Montgomery County
- Morgan County
- Moultrie County
- Ogle County
- Peoria County
- Perry County
- Piatt County
- Pike County
- Pope County
- Pulaski County
- Putnam County
- Randolph County
- Richland County
- Rock Island County
- Saline County
- Sangamon County
- Schuyler County
- Scott County
- Shelby County
- St. Clair County
- Stark County
- Stephenson County
- Tazewell County
- Union County
- Vermilion County
- Wabash County
- Warren County
- Washington County
- White County
- Whiteside County
- Will County
- Winnebago County
- Woodford County
Instant Access to Williamson County, IL Property Records
- Search by:
- Property Address
- Owner's Name
- Parcel ID
- Owner(s)
- Deed Records
- Loans & Liens
- Values
- Taxes
- Building Permits
- Purchase History
- Property Details
- And More!