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Union, MO Homes for Sale — Page 3 | Realty.com

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3 beds New construction

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Homes for Sale in Union, MO

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18 of 66 Listings

Map

18 of 66 Listings

Your local team in Union

Thomas O'Leary

Realty.com

Lic. #2020001504

Call Thomas

Lisa McLaughlin

Delmar Mortgage

NMLS #283815

Call Lisa

Price Reduced88Active
$1,249,999
4 bd · 3 ba · 3,055 sqft
130 Valley Oaks Lane, Union, MO
Shayla Kurzenberger · Dolan, Realtors
Price Reduced20Active
$274,290
2 bd · 2 ba · 1,214 sqft
454 Klenke Valley Drive, Union, MO
Pamela Chyba · ListWithFreedom.com Inc
24Active
$360,327
3 bd · 2 ba · 1,539 sqft
1025 Watson Ridge Drive, Union, MO
Pamela Chyba · ListWithFreedom.com Inc

Price Reduced16Active
$259,733
2 bd · 1 ba · 1,020 sqft
1083 Vardon Meadows Drive, Union, MO
Pamela Chyba · ListWithFreedom.com Inc
20Active
$330,954
3 bd · 2 ba · 1,279 sqft
1012 Taylor Green Drive, Union, MO
Pamela Chyba · ListWithFreedom.com Inc
Price Reduced16Active
$274,565
3 bd · 2 ba · 1,405 sqft
462 Klenke Valley Drive, Union, MO
Pamela Chyba · ListWithFreedom.com Inc
Price Reduced29Active
$295,356
3 bd · 2 ba · 1,719 sqft
447 Klenke Valley Drive, Union, MO
Pamela Chyba · ListWithFreedom.com Inc
Price Reduced21Active
$300,485
3 bd · 2 ba · 1,719 sqft
446 Klenke Valley Drive, Union, MO
Pamela Chyba · ListWithFreedom.com Inc
Price Reduced26Active
$278,746
3 bd · 2 ba · 1,405 sqft
457 Klenke Valley Drive, Union, MO
Pamela Chyba · ListWithFreedom.com Inc
Price Reduced26Active
$376,693
4 bd · 3 ba · 2,539 sqft
308 Century Farm Drive, Union, MO
Pamela Chyba · ListWithFreedom.com Inc
Price Reduced25Active
$332,109
3 bd · 2 ba · 1,570 sqft
317 Century Farm Drive, Union, MO
Pamela Chyba · ListWithFreedom.com Inc
Price Reduced24Active
$342,900
3 bd · 3 ba · 1,728 sqft
1005 Braid Trail Drive, Union, MO
Pamela Chyba · ListWithFreedom.com Inc
Price Reduced43Active
$279,900
3 bd · 3 ba · 1,378 sqft
1076 Vardon Meadows Drive, Union, MO
Pamela Chyba · ListWithFreedom.com Inc
Price Reduced26Active
$274,900
3 bd · 3 ba · 1,378 sqft
1041 Vardon Meadows Drive, Union, MO
Pamela Chyba · ListWithFreedom.com Inc
Price Reduced5Active
$84,900
2 bd · 1 ba · 1,056 sqft
498 Beck Meadow Road, Union, MO
Tiffany Thebeau · Dolan, Realtors
32Active
$287,900
4 bd · 3 ba · 1,728 sqft
3 Sterling at St. Andrews Manors, Union, MO
Pamela Chyba · ListWithFreedom.com Inc
Price Reduced32Active
$59,500
1 bd · — ba · 450 sqft
421 Park Lane, Union, MO
Penny Rombach · Dolan, Realtors
54Active
$825,000
5 bd · 4 ba · 6,664 sqft
590 Fairway Drive, Union, MO
Clayton Cobler · Keller Williams Realty St. Louis

1 2 3

Listing data & MLS disclosures

MARIS MLS: Based on information submitted to the MLS GRID as of 2026-09-17 18:18:03 UTC. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

Union housing market

August 2026 · This period is still settling

Homes on the market · MLS, as of Aug 28, 2026–Aug 31, 2026

Median list price: $325,000
Homes for sale: 31
Median days on market: 24 days

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Jul 29, 2026

Median home size: 1,370 sq. ft.

Union, MO community profile

Population: 12,709
Median income: $70,331
Housing units: 5,141
People per sq. mi.: 165.9
Area: 76.6 sq. mi.

Source: HJN community data

Explore Union homes

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L. Custen Realty, Inc. d/b/a Realty.com/L. Custen Realty CT, LLC d/b/a Realty.com (Tom O’Leary-Broker)(CT properties only), 8323 Southwest Freeway, Suite 900, Houston, Texas 77074

The information provided by this website is for the personal, non-commercial use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Listing data is derived from various Multiple Listing Services; each source MLS and its required disclaimer are shown with the listings on the applicable page. Realty.com is an independently owned and operated brokerage.

Listing data & MLS disclosures

MARIS MLS: Based on information submitted to the MLS GRID as of 2026-09-17 18:18:03 UTC. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

Your local team in Union

Thomas O'Leary

Realty.com

Lic. #2020001504

Call Thomas

Lisa McLaughlin

Delmar Mortgage

NMLS #283815

Call Lisa

Co-ops

By feature

New construction
With a pool

Nearby areas

ZIP codes

63368 (104)
63385 (90)
63367 (67)
63090 (65)
63084 (52)
63376 (51)
63080 (47)
63304 (42)

Cities

O'Fallon (128)
Lake St Louis (64)
Washington (63)
Sullivan (54)
Wildwood (50)
St Peters (45)
Wentzville (45)
Eureka (37)

Your local team in Union

Thomas O'Leary

Realty.com

Lic. #2020001504

Call Thomas

Lisa McLaughlin

Delmar Mortgage

NMLS #283815

Call Lisa

Union, MO community profile

Population: 12,709
Median income: $70,331
Housing units: 5,141
People per sq. mi.: 165.9
Area: 76.6 sq. mi.

Source: HJN community data

Union housing market

August 2026 · This period is still settling

Homes on the market · MLS, as of Aug 28, 2026–Aug 31, 2026

Median list price: $325,000
Homes for sale: 31
Median days on market: 24 days

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Jul 29, 2026

Median home size: 1,370 sq. ft.

Nearby areas

ZIP codes

63368 (104)
63385 (90)
63367 (67)
63090 (65)
63084 (52)
63376 (51)
63080 (47)
63304 (42)

Cities

O'Fallon (128)
Lake St Louis (64)
Washington (63)
Sullivan (54)
Wildwood (50)
St Peters (45)
Wentzville (45)
Eureka (37)