Union (Franklin County, MO) has 63 homes for sale on the MLS right now, at a median list price of $304,900. 220 homes sold here in the last 12 months at a median of $265,000.
Measured from MARIS MLS listings · updated November 10, 2026
Homes that sold in Union in the last year went for a median of $202 per square foot. They took a median of 43 days to sell.
Hope you're ready for this one! Just seconds from town and unrestricted! That means bring the chickens, bring the camper, bring the trailers, etc! You will neve...
View DetailsSpacious 4-Bedroom Home with 4-Car Garage and Private In-Law Apartment Welcome home to this beautiful and spacious 4-bedroom, 4-bathroom property offering plent...
View DetailsThis impressive all-brick and stone home features a massive matching workshop and sits at the end of the road on a secluded 10-acre wooded property, offering ex...
View DetailsWELCOME HOME! This 4-bedroom, 3-bathroom home has so much to offer, combining comfort, functionality, and several recent improvements! Whether you're looking fo...
View DetailsThis country charm sits on nearly 5 Acres and features 4 spacious bedrooms, 4.5 baths plus a dedicated office! The inviting open layout creates a natural flow t...
View DetailsTucked away on a quiet cul-de-sac, this beautifully maintained two-story home offers the perfect blend of comfort, space, and functionality. Step inside to an i...
View DetailsLove gardening, raising small livestock, doing yoga in the meadow, or just wanting to do a bit of hobby farming, this mid-century vintage charmer is your new ad...
View DetailsBeautiful 2 story home on a quiet cul-de-sac overlooking a pond. This home features 4 bedrooms and 2.5 bathrooms, main floor laundry, and main floor primary sui...
View DetailsOf the homes for sale now: 97% single family residence, 2% cabin and 2% mobile home.
By bedrooms: 1 or fewer bedrooms 1; 2 bedrooms 9; 3 bedrooms 26; 4 bedrooms 21; 5+ bedrooms 6 .
The median home for sale here was built in 2001 and has about 1,719 finished square feet above grade.
School districts named on homes for sale in Union right now, with how many listings name each:
Union R-XI (60)Washington (2)St. Clair R-XIII (1)From MLS listing data. Boundaries can change; confirm with the district for a specific address.
All Franklin County, MO homes for sale · Every St. Louis area community
The median list price of the 63 homes for sale in Union is $304,900, or about $189 per square foot, based on MLS listings as of November 10, 2026.
220 homes sold in Union in the last 12 months. The median sale price reported to the MLS was $265,000.
Active listings in Union have been on the market a median of 62 days, and homes that sold in the last 12 months took a median of 43 days.
Current Union listings name these school districts: Union R-XI, Washington, St. Clair R-XIII. Confirm boundaries with the district for a specific address.
See what it could sell for, with the recent sales behind the number.
What’s my home worth? Off-market & sold homesStatistics cover residential listings in MARIS MLS, computed November 10, 2026. Sale prices are as reported to the MLS. Listing data is deemed reliable but is not guaranteed. StLouisRealEstate.com is operated by Guerrilla Brokers, LLC.
