Williamson County, Illinois

Parcels

50,384

Last Refresh Date

2022-11-08

Matched Buildings

57,313

Building Source Imagery Date

2012, 2014, 2021

Matched Secondary Addresses

42,877

Address Source Date

2022-08-01

Sample Data

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102 Data Attributes:

Read more about our parcel schema fields or download a CSV with detailed coverage data. Have questions? Please reach out — we're happy to help.

Data Field Coverage

Owner Name 99%
Mailing Address 99%
Parcel Address 97%
Object ID 100%
FIPS Code 100%
Source Agent 0%
Parcel ID 100%
Parcel ID without Formatting 100%
First Alternative Parcel ID 0%
Second Alternative Parcel ID 0%
Third Alternative Parcel ID 0%
Parcel Use Code 99%
Parcel Use Description 96%
Zoning Code 0%
Zoning Description 0%
Structure on Parcel 40%
Multiple Structures on Parcel 0%
Number of Structures on Parcel 0%
Structure Year Built 0%
Number of Stories 0%
Number of Units 0%
Structure Style 0%
Parcel Value Type 100%
Improvement Value 99%
Land Value 99%
Total Parcel Value 99%
Agricultural Value 99%
Last Sale Price 0%
Last Sale Date 0%
Annual Tax Bill 0%
Tax Year 0%
Owner Type 0%
Owner First Name 0%
Owner Last Name 0%
Second Owner Name 0%
Third Owner Name 0%
Fourth Owner Name 0%
Subsurface Owner 0%
Subsurface Owner Type 0%
Mailing Address Second Line 0%
Mailing Address Care Of 99%
Mailing Address Street Number 0%
Mailing Address Street Prefix 0%
Mailing Address Street Name 0%
Mailing Address Street Type 0%
Mailing Address Street Suffix 0%
Mailing Address Unit Number 0%
Mailing Address City 0%
Mailing Address State 0%
Mailing Address ZIP Code 99%
Mailing Address Country 0%
Mailing Address Urbanizacion (Puerto Rico) 0%
Parcel Address Second Line 0%
Parcel Address Number 65%
Parcel Address Prefix 28%
Parcel Address Street Name 96%
Parcel Address Street Type 65%
Parcel Address Street Suffix 0%
Parcel Address Unit 1%
Parcel Address City 97%
Original Parcel Address 99%
US Census County Subdivision 100%
Parcel Address County 100%
Parcel Address State 100%
Parcel Address Zip Code 100%
Parcel Urbanizacion 0%
Location Name 1%
Primary Address Source 100%
Legal Description 99%
Plat 0%
Book 83%
Page 83%
Block 35%
Lot 62%
Neighborhood 0%
Subdivision 0%
Latitude 100%
Longitude 100%
Federal Qualified Opportunity Zone 100%
Qualified Opportunity Zone Tract Number 5%
Census 2020 Tract 100%
Census 2020 Block 100%
Census 2020 Blockgroup 100%
Source Document Reference 0%
Source Document Date 0%
Last County Refresh Date 100%
Source URL 0%
Recorded Area (text) 0%
Total Square Footage of Structures 0%
County-Provided Acres 99%
County-Provided Parcel Square Feet 0%
Regrid Calculated Parcel Acres 100%
Regrid Calculated Parcel Square Feet 100%
PLSS Township 100%
PLSS Section 100%
PLSS Range 100%
Date of Last Revision 0%
Parcel Path 100%
Stable ID Status 99%
Regrid UUID 100%
Parcel Stack UUID 0%
Last Modified 100%

Premium field coverage

Read More about our USPS fields and building data
Homestead Exemption 0%
Regrid Calculated Total Address Count 100%
Regrid Calculated Building Footprint Square Feet 100%
Regrid Calculated Building Count 100%
Cropland Data Layer Raw Values 12%
Cropland Data Layer Majority Category 12%
Cropland Data Layer Majority Percent 12%
Cropland Data Layer Date 12%
Regrid Right-of-Way Parcel Flag 0%
USPS Delivery Point Validation 97%
Delivery Point Validation Codes 59%
Delivery Point Validation Notes 97%
Delivery Point Match Type 59%
CASS Error Codes 97%
Residential Delivery Indicator 56%
USPS Vacancy Indicator 56%
USPS Vacancy Indicator Date 97%
PAD-US Public Access Designation 1%
Land Use Code: Activity 93%
Land Use Code Description: Activity 93%
Land Use Code: Function 71%
Land Use Code Description: Function 71%
Land Use Code: Structure 63%
Land Use Code Description: Structure 63%
Land Use Code: Site 90%
Land Use Code Description: Site 90%
Land Use Code: Ownership 99%
Land Use Code Description: Ownership 99%

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