Mchenry County, Illinois
Explore accurate parcel and ownership records,
directly sourced from county assessors.
893
$320,804
1,711 sq ft
$187/sq ft
Our database includes 893 properties in Union.
With an average price of $320,804, Union offers mid-range housing options.
Buyers can expect to pay around $187 per square foot in this market.
Home prices in Union are 8% lower than the Mchenry County average.
Showing 651-700 of 1,107 properties
The average home price in Union, IL is $320,804, based on analysis of 893 properties in our database.
Our database includes 893 properties in Union, IL, providing comprehensive market coverage.
The average price per square foot in Union, IL is $187. This is calculated from an average home price of $320,804 and average size of 1,711 square feet.
Homes in Union, IL average 1,711 square feet, with an average price of $320,804.
Union, IL is one of many cities in Mchenry County, IL with property data available. Browse other cities in the county to compare market conditions and pricing.
Get instant access to comprehensive county assessors-based property data with your free API key
Need Bulk Data?
Email us at hello@realie.ai
© 2026 Realie, Inc. All rights reserved.
