13 Knoll Ridge Ct is a 1,840 square foot house on a 7,841 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on July 28, 2000 for $147,000. Based on Redfin's O Fallon data, we estimate the home's value is $347,158.
Single-familyProperty Type
1997Year Built
7,841 sq ftLot Size
$189Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$347,158
$200K since sold in July 2000$2,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 4.4% higher than the average sale price ($332K) 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.
Zoning
R-1
PUD
Single-Family Residential District
This District is composed of those areas of the City whose principal use is and ought to be low-density single-family dwellings. The regulations of this District are designed to create and preserve a predominately urban character as evidenced by lot sizes, and street and drainage requirements. In addition to the dwelling permitted in this District, certain compatible recreational and public uses are conditionally allowed and strictly regulated to ensure harmony with the principal use of this District.
Zone overlays
Planned Unit Development District
Permitted uses
Include but are not limited to:
Housing-Single unit
Communications tower
Park & open space
Property details
Interior
Basement Information
Basement Sq. Ft: 1,702
Basement Finish: Finished
Bathroom Information
# of Full Baths: 2
Heating & Cooling
Heating Fuel Type: Gas
Fireplace Information
# of Fireplaces: 1
Fireplace Type: 1 Story 1 Opening
Has Fireplace
Room Information
# of Rooms: 5
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Ranch
Building Construction Quality: Average
Exterior Wall: Brick Veneer
Property Information
Subdivision Name: RIDGETOP ESTATE #4
Living Sq. Ft: 1,840
Building Sq. Ft: 3,422
# of Stories: 1
Stories Type: 1
Legal Description: RIDGETOP EST #4 LOT 111
Parking & Garage Information
# of Parking Spaces: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,841
Legal Lot Number: 111
School Tax District: FT ZUMWALT
Municipality Name: OFALLON
Acres: 0.18
County Use Description: SINGLE FAMILY RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,840
Stories: 1.0
Lot Size: 7,841 square feet
Style: Single Family Residential
Year Built: 1997
Year Renovated: —
County: St. Charles County
APN: 2-0067-7174-00-0111.0000000
Home facts updated by county records on Aug 7, 2026
Around this home
Schools
Dardenne Elementary School
Public K-5 • Assigned • 0.2mi
5/10
Ft. Zuwmalt West Middle School
Public 6-8 • Assigned • 1.9mi
10/10
Ft. Zumwalt West High School
Public 9-12 • Assigned • 1.8mi
10/10
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, 20 days in 30 years
2/10 Wind Factor
1% chance of strong winds in next 30 years
2/10 Air Factor
1 unhealthy days expected this year, 1 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
$330,000 – $400,000
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