820 Memsie Dr is a 2,504 square foot house on a 8,999 square foot lot with 4 bedrooms and 2.5 bathrooms. Based on Redfin's O Fallon data, we estimate the home's value is $599,890.
Single-familyProperty Type
2024Year Built
8,999 sq ftLot Size
$240Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$599,890
$2,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 2.7% lower than the average sale price ($617K) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$7,678 (+99.8%)
2024
$3,843 (+325.8%)
2023
$902
Tax history for 820 Memsie Dr
Year
Property tax
Land + Additions
Assessment*
2025
$7,678 (+99.8%)
2024
$3,843 (+325.8%)
2023
$902
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
R-3
PUD
Medium Density Residential District
This District is composed of those areas of the City whose principle use is or ought to be multiple-family dwellings at a low to moderate density. The regulations of this District are designed to permit a low density of population and a moderate intensity of land use in those areas which are served by a central water supply system and a central sanitary sewerage system, and which abut or are adjacent to such other uses, buildings, structures, or amenities which support, complement, or serve such a density or intensity. In addition to the dwellings permitted in this Zoning District, there are permitted certain residential and public uses which have been strictly regulated to make them compatible with the principle use of this District.
Zone overlays
Planned Unit Development District
Permitted uses
Include but are not limited to:
Housing-Single unit
Housing-Multiple units
Communications tower
Park & open space
Feb 5, 2024 • Final
Building-residential new construction - single- multi-family / mobile home / modular
New construction
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: 960
Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 1
Room Information
# of Rooms: 8
Exterior
Exterior Information
Building Construction Quality: Good
Exterior Wall: Brick
Property Information
Subdivision Name: STREETS OF CALEDONIA #7
Living Sq. Ft: 2,504
Building Sq. Ft: 3,464
# of Stories: 2
Stories Type: 2
Legal Description: STREETS OF CALEDONIA #7 LOT 374
Parking & Garage Information
# of Parking Spaces: 3
Lot Information
# of Buildings: 1
Land Sq. Ft: 8,999
Legal Lot Number: 374
School Tax District: WENTZVILLE
Municipality Name: OFALLON
Acres: 0.2066
County Use Description: SINGLE FAMILY RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.5
Sq. Ft.: 2,504
Stories: 2.0
Lot Size: 8,999 square feet
Style: Single Family Residential
Year Built: 2024
Year Renovated: —
County: St. Charles County
APN: 4-0068-D263-00-0374.0000000
Home facts updated by county records on Aug 7, 2026
Around this home
Schools
Crossroads Elementary School
Public K-5 • Assigned • 1.3mi
8/10
Frontier Middle School
Public 6-8 • Assigned • 1.3mi
10/10
Liberty High School
Public 9-12 • Assigned • 1.2mi
9/10
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
4/10 Heat Factor
7 days above 106° expected this year, 19 days in 30 years
2/10 Wind Factor
1% chance of strong winds in next 30 years
1/10 Air Factor
0 unhealthy days expected this year, 0 days in 30 years
Provided by First Street
Historical weather
O Fallon, MO • 63368
Average low and high temperatures (°F)
38
21
47
28
66
42
71
51
75
56
85
67
90
73
86
66
83
61
74
50
57
40
46
30
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 9.7 hours in
June and 4.2 hours in December, which is comparable to the
U.S. average for solar exposure.
9.7 hrs
4.2 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$570,000 – $690,000
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