803 Memsie Dr is a 2,368 square foot house on a 6,220 square foot lot with 4 bedrooms and 2.5 bathrooms. Based on Redfin's O Fallon data, we estimate the home's value is $524,480.
Single-familyProperty Type
2025Year Built
6,220 sq ftLot Size
$221Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$524,480
$3,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.6% lower than the average sale price ($528K) 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
$876
Tax history for 803 Memsie Dr
Year
Property tax
Land + Additions
Assessment*
2025
$876
*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
Oct 3, 2025 • Final
Engineering-excavation
Perform directional boring for telecommunications infrastructure.
Grading
Apr 4, 2025 • 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: 1,164
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: Vinyl
Property Information
Subdivision Name: STREETS OF CALEDONIA #9
Living Sq. Ft: 2,368
Building Sq. Ft: 3,532
# of Stories: 2
Stories Type: 2
Legal Description: STREETS OF CALEDONIA #9 LOT 554
Parking & Garage Information
# of Parking Spaces: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,220
Legal Lot Number: 554
School Tax District: WENTZVILLE
Municipality Name: OFALLON
Acres: 0.1428
County Use Description: SINGLE FAMILY RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.5
Sq. Ft.: 2,368
Stories: 2.0
Lot Size: 6,220 square feet
Style: Single Family Residential
Year Built: 2025
Year Renovated: —
County: St. Charles County
APN: 4-0068-D471-00-0554.0000000
Home facts updated by county records on Aug 7, 2026
Around this home
Schools
Crossroads Elementary School
Public K-5 • Assigned • 1.2mi
8/10
Frontier Middle School
Public 6-8 • Assigned • 1.4mi
10/10
Liberty High School
Public 9-12 • Assigned • 1.3mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Historical weather
O Fallon, MO • 63368
Average low and high temperatures (°F)
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Sun exposure
Try the sun simulator tool to see how light moves across the property at different times of day and year.
Provided by Shadowmap
Estimated sale price
$499,000 – $604,000
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