2100 Union Rd is a 1,345 square foot house on a 0.5 acre lot with 3 bedrooms and 2 bathrooms. - it last sold on January 26, 1999 for $124,000. Based on Redfin's Saint Louis data, we estimate the home's value is $274,476.
Single-familyProperty Type
1957Year Built
0.5 acresLot Size
$204Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$274,476
$150K since sold in January 1999$7,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 7.5% higher than the average sale price ($255K) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Mar 2, 2026 • Final
Plumbing residential plumbing
Plumbing
Water heater
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Basement Information
Basement Sq. Ft: 420
Basement Type: Full
Bathroom Information
# of Full Baths: 2
# of Bathroom Fixtures: 8
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Warm Air
Fireplace Information
# of Fireplaces: 2
Fireplace Type: Wood Stove
Has Fireplace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Ranch
Building Construction Quality: Average
Exterior Wall: Brick
Property Information
Subdivision Name: CARONDELET COMMONS
Living Sq. Ft: 1,345
Ground Floor Sq. Ft: 1,345
Building Sq. Ft: 1,765
# of Units: 1
# of Stories: 1
Stories Type: 1
Legal Description: CARONDELET COMMONS BLK PT 11 LOC 300 FT SW OF 40 FOOT LN
Parking & Garage Information
Parking Type: Masonry/Brick Garage
Garage/Parking Sq. Ft: 420
Garage / Carport Type: Masonry/Brick
Lot Information
# of Buildings: 1
Land Sq. Ft: 21,802
Legal Block Number: PT
School Tax District: MEHLVILLE
Municipality Name: UNINCORPORATED
Acres: 0.5005
Depth Footage: 218
Front Footage: 100
Zoning Code: R5
County Use Description: SINGLE FAMILY
Utility Information
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2022
Tax Area: N
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,345
Stories: 1.0
Lot Size: 0.5 acres
Style: Single Family Residential
Year Built: 1957
Year Renovated: —
County: St. Louis County
APN: 27J330224
Home facts updated by county records on Jul 13, 2023
Around this home
Schools
Bierbaum Elementary School
Public K-5 • Assigned • 0.1mi
7/10
Margaret Buerkle Middle School
Public 6-8 • Assigned • 1.8mi
7/10
Mehlville High School
Public 9-12 • Assigned • 1.2mi
5/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
5/10 Heat Factor
7 days above 107° expected this year, 21 days in 30 years
2/10 Wind Factor
1% chance of strong winds in next 30 years
3/10 Air Factor
2 unhealthy days expected this year, 3 days in 30 years
Provided by First Street
Historical weather
Saint Louis, MO • 63125
Average low and high temperatures (°F)
38
22
47
29
66
42
72
51
76
57
86
68
91
73
88
67
84
62
74
51
57
41
47
30
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 9.8 hours in
June and 4.1 hours in December, which is comparable to the
U.S. average for solar exposure.
9.8 hrs
4.1 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$261,000 – $316,000
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