McHenry County · Illinois

Homes for sale in Union.

There are 16 homes for sale in Union right now, with a median list price of $73,900. Every active listing below updates live from the MLS.

16
homes for sale
$74K
median list price
$169
median price / sq ft
470 days
avg. days on market
How the Union market is moving.
Closed MLS sales — last 12 months.
June 2025: 22July 2025: 11August 2025: 22September 2025: 44October 2025: 11November 2025: 22December 2025: 00January 2026: 11February 2026: 11March 2026: 22April 2026: 22May 2026: 00JunJulAugSepOctNovDecJanFebMarAprMay
June 2025: $295K$295KJuly 2025: $330K$330KAugust 2025: $165K$165KSeptember 2025: $423K$423KOctober 2025: $275K$275KNovember 2025: $185K$185KJanuary 2026: $660K$660KFebruary 2026: $420K$420KMarch 2026: $202K$202KApril 2026: $425K$425KJunJulAugSepOctNovDecJanFebMarAprMay
June 2025: 10d10dJuly 2025: 1d1dAugust 2025: 38d38dSeptember 2025: 6d6dOctober 2025: 14d14dNovember 2025: 1055d1055dJanuary 2026: 4d4dFebruary 2026: 32d32dMarch 2026: 12d12dApril 2026: 15d15dJunJulAugSepOctNovDecJanFebMarAprMay
18 homes closed in Union over the last 12 months. Updated continuously from the MLS.

Active listings in Union.

See all 16 homes →

About the Union market.

Union is one of the communities dwello Home Group covers across McHenry County and the broader Chicago and Northwest Indiana market. The listings on this page are pulled live from the MLS and refreshed continuously, so what you see is what's genuinely available right now.

Whether you're buying your first home, moving up, or selling, a local dwello agent can give you a real read on Union — pricing, neighborhoods, schools, and how fast homes are actually moving. Reach out any time; there's no pressure and no obligation.

Browse Union by property type.

Nearby areas.

Union real estate questions.

How many homes are for sale in Union, IL?
As of May 2026, there are 16 active listings in Union, Illinois, plus 4 more under contract. The listings on this page update straight from the MLS, so they reflect current inventory.
What is the median home price in Union?
The median list price of active homes in Union is currently $73,900, or roughly $169 per square foot. Prices vary widely by neighborhood, size, and condition — browse the active listings above for live pricing.
Does dwello Home Group serve Union?
Yes. dwello Home Group is based in Chicago's south suburbs and Northwest Indiana and works with buyers and sellers across the wider region, including Union. Get in touch and we'll connect you with the right agent.
How fast do homes sell in Union?
Active listings in Union have been on the market an average of 470 days. 5 homes have closed there in the last 90 days. Well-priced homes in good condition tend to move noticeably faster than average.
How do I schedule a showing in Union?
Open any listing on this page and use the "Schedule a showing" button, or contact dwello Home Group directly. A local agent will set up the tour and walk you through every step — financing, offers, inspections, and closing.

Thinking about Union?

Tour a home, get a straight answer on pricing, or just ask a question. A local dwello agent is ready when you are.