OFF MARKET

Last listed at $239,900, CLOSED ON Oct 2015

$435,226

Est. refi paymentEst. refi $1,591/mo

•

3,543

sq ft

21 Knoll Rdg, O Fallon, MO 63368

About this home

Enjoy the Summer days in your own in ground pool at this O’Fallon MO. Home that is just minutes from all 3 major highways. This 3 bedroom, 3 bath ranch home on a cul de sac has a walkout basement and plenty of upgrades beginning with granite counter tops, upgraded cabinets, 2 fireplaces, enclosed porch, deck and patio, fenced yard, outdoor speakers, newer pool pump and heater, brand new HVAC 14 Seer air conditioner and heater, several bay windows, built in wood shelving, and a hearth room with a wood burning fireplace. The master bedroom has a bay window, and dual vanities and jetted garden tub in the master bath. The lower level has a full kitchen, workshop, bathroom and it is plumbed for a steam room. There is an outside storage area, gas BBQ pit, walk in closets, can lighting, central vac system, fresh paint and new carpeting. Give me a call to see this home before it’s too late.

Single-familyProperty Type

1994Year Built

0.28 acresLot Size

$123Est. Price/Sq.Ft.

2 car garageParking

Listed by Mark Hiller • Keller Williams Realty West

Listed by Martha Hillmann • Keller Williams Realty West

Bought with Laura Kemp • Coldwell Banker Realty - Gunda

Redfin checked: 3 minutes ago

•Source:MARIS as Distributed by MLS Grid #15040281

Redfin Estimate

$435,226

$195K over list price of $240K

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 19.1% higher than the average sale price ($366K) of 6 comparable homes.

SOLD AUG 12, 2026
$350,000
A
4 beds2.5 baths2,095 sq ft
2665 Babble Creek Ln Ln, O Fallon, MO 63368
SOLD JUN 25, 2026
$375,000
B
3 beds3 baths2,821 sq ft
2753 Red Cedar Parc Dr, O Fallon, MO 63368
SOLD JUL 16, 2026
$298,000
C
3 beds2 baths1,757 sq ft
246 Royalltrail Ln, O Fallon, MO 63368
SOLD AUG 12, 2026
$360,000
D
3 beds2.5 baths2,177 sq ft
235 Royalltrail Ln, O Fallon, MO 63368
SOLD AUG 3, 2026
$450,000
E
3 beds2.5 baths2,022 sq ft
3 Revolutionary Way Ct, O Fallon, MO 63366
SOLD JUN 4, 2026
$360,000
F
3 beds2.5 baths2,694 sq ft
179 Cherrywood Parc Dr, O Fallon, MO 63368

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Sell

$408,159

Est. take-home

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Est. cash available

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Rent

$2,220/mo

Redfin rental estimate

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Market trends in 63368, MO

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

101.1%

+0.1% MoM

Median sale price

$440K

$940 MoM

Avg. days on market

16d

0 days MoM

Recently sold homes

205

1 MoM

New listings for sale

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103 Mackintosh Ln, Dardenne Prairie, MO 63368
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96 Mora Blvd, O Fallon, MO 63368
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COMING SOON
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OPEN SUN, 12PM TO 2PM
$480,000
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130 Mccluer Dr, O'Fallon, MO 63368
See all

Provided by Redfin

Sale history for 21 Knoll Rdg

Tax history for 21 Knoll Rdg

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Public record
Zoning
Permits

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

0.28 Acres

Year renovated

—

Sq. Ft.

2,043

Year built

1994

Style

Single Family Residential

County

St. Charles County

APN

2-0067-7174-00-0115.0000000

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 7, 2026.

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

Parking

Parking Information
Parking Features: Attached Garage, Garage Door Opener, Oversized
Garage Spaces: 2
Carport Spaces: 0
Has Attached Garage
Has Garage

Interior

Bedroom Information
# of Bedrooms: 3
# of Bedrooms Main: 3

Bathroom Information
# of Full Baths (Total): 2
# of Half Baths (Total): 1
# of Main Level Bathrooms (Total): 2
# of Main and Upper Bathrooms: 2
Main Level # of Full Bathrooms: 2

Room 1 Information
Room Type: Hearth Room
Room Dimensions: 20x16
Room Length: 20
Room Width: 16
Room Level: Second or Main

Room 2 Information
Room Type: Great Room
Room Dimensions: 18x16
Room Length: 18
Room Width: 16
Room Level: Second or Main

Room 3 Information
Room Type: Dining Room
Room Dimensions: 12x11
Room Length: 12
Room Width: 11
Room Level: Second or Main

Room 4 Information
Room Type: Kitchen
Room Dimensions: 21x11
Room Length: 21
Room Width: 11
Room Level: Second or Main

Room 5 Information
Room Type: Bedroom
Room Dimensions: 13x10
Room Length: 13
Room Width: 10
Room Level: Second or Main

Room 6 Information
Room Type: Bedroom
Room Dimensions: 10x10
Room Length: 10
Room Width: 10
Room Level: Second or Main

Room 7 Information
Room Type: Bedroom
Room Dimensions: 18x14
Room Length: 18
Room Width: 14
Room Level: Second or Main

Room 8 Information
Room Type: Laundry
Room Dimensions: 5x9
Room Length: 5
Room Width: 9
Room Level: Second or Main

Basement Information
Basement Features: Bathroom in LL, Concrete, Partially Finished, Rec/Family Area, Sump Pump, Walk-Out Access

Other Rooms Information
# of Rooms: 6

Fireplace Information
Has Fireplace
# of Fireplaces: 2
Fireplace Features: Circulating, Gas, Woodburning Fireplce

Heating & Cooling
Has Heating
Heating Information: Forced Air, Forced Air 90+, Humidifier
Cooling Information: Attic Fan, Ceiling Fan(s), Electric, ENERGY STAR Qualified Equipment

Interior Features
Interior Features: Bookcases, Open Floorplan, Carpets, Window Treatments, Vaulted Ceiling, Walk-in Closet(s), Some Wood Floors
Window Features: Six Panel Door(s), Bay/Bow Window, French Door(s), Panel Door(s), Skylight(s), Some Storm Doors, Some Storm Windows
Appliances: Grill, Central Vacuum, Dishwasher, Disposal, Range, Electric Oven, Water Softener

Exterior

Building Information
Construction Materials: Brick Veneer, Vinyl Siding

Pool Information
Has Private Pool

Property Information
Ownership Type: Private
Property Type: Residential
Property Sub Type: Residential
Above Grade Finished Area: 2,043
Above Grade Finished Area Source: Public Records

Lot Information
Lot Features: Cul-De-Sac, Level Lot, None, Sidewalks, Streetlights, Wood Fence
Lot Size Acres: 0.28
Lot Size Dimensions: 0x0
Lot Size Source: County Records

Financial

Tax Information
Tax Annual Amount: $2,889
Tax Year: 2014

Utilities

Utility Information
Water Source: Public
Sewer: Public Sewer

Location

HOA Information
Association Amenities: Private Inground Pool, Underground Utilities, Workshop Area
Association Fee: $101
Association Fee Frequency: Annually

School Information
Elementary School: Dardenne Elem.
Middle Or Junior High School: Ft. Zumwalt West Middle
High School: Ft. Zumwalt West High
High School District: Ft. Zumwalt R-II

Location Information
Directions: Hwy K to Right on Babble Creek to Right on Breezy Point to Right on the Street.

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 2,043
Stories: 1.0
Lot Size: 0.28 acres
Style: Single Family Residential
Year Built: 1994
Year Renovated: —
County: St. Charles County
APN: 2-0067-7174-00-0115.0000000

Home facts updated by county records on Aug 7, 2026

Other

Home Information
Living Area: 3543
Levels: One

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)

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

$414,000 – $501,000

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Home values near 21 Knoll Rdg

Data from public records.

Address	Redfin Estimate
13 Knoll Ridge Ct, O Fallon, MO 3 Beds \| 2 Baths \| 1840 Sq. Ft.	$347,158
17 Knoll Ridge Ct, O Fallon, MO 4 Beds \| 3.5 Baths \| 3303 Sq. Ft.	$434,100

Address	Redfin Estimate
8 Knoll Ridge Ct, O Fallon, MO 3 Beds \| 2 Baths \| 1606 Sq. Ft.	—
15 Knoll Ridge Ct, O Fallon, MO 3 Beds \| 2.5 Baths \| 2604 Sq. Ft.	$390,181

Address	Redfin Estimate
19 Knoll Ridge Ct, O Fallon, MO 5 Beds \| 3 Baths \| 3553 Sq. Ft.	$442,536
16 Knoll Ridge Ct, O Fallon, MO 3 Beds \| 2 Baths \| 1632 Sq. Ft.	$342,529

Property information provided by MARIS as Distributed by MLS Grid when last listed in 2015. This data may not match . Learn more.

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