OFF MARKET

Last listed at $302,006, closed on may 2020

$424,797

•

2,538

sq ft

143 Keystone Ridge Dr, O Fallon, MO 63366

About this home

This Hermitage II Two Story 4 bedroom 2.5 bath home will be move-in ready Spring 2020. Partial Walkout Homesite! Kitchen Features island with breakfast bar, opening to the breakfast and family rooms. Kitchen features Level 3 Sarsaparilla 42” wall cabinets, Argento Romano laminate countertops, and stainless steel GE appliances. Powder room and laundry area on main level. Upstairs is the master suite featuring a walk-in closet, separate shower and tub with window, and double sinks. Three additional bedrooms and a hall bathroom complete the second floor. Upgraded Wood Laminate Flooring and carpeting, and six-panel white interior doors with satin nickel hardware throughout the home… there is no work to be done to move right in! The lower level includes a ¾ bath rough-in for future finish. Keystone Ridge is a beautiful O’Fallon community off I-70 in the Fort Zumwalt North School District, featuring lush common ground, and minutes away from Quail Ridge Park. *Similar Home Shown in Photos*

Single-familyProperty Type

$167Est. Price/Sq.Ft.

2 car garageParking

Listed by Susann Woods • STL New Home Realty

Bought with Kathleen Lawrence • Coldwell Banker Realty - Gunda

Redfin checked: a minute ago

•Source:MARIS as Distributed by MLS Grid #20010482

Redfin Estimate

$424,797

$123K over list price of $302K

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 8.5% lower than the average sale price ($464K) of 6 comparable homes.

SOLD JUL 16, 2026
$425,000
A
4 beds2.5 baths2,880 sq ft
225 Flint Brook Dr, O Fallon, MO 63366
SOLD AUG 21, 2026
$500,000
B
3 beds2.5 baths2,012 sq ft
345 Mystic Brook Dr, O Fallon, MO 63366
SOLD AUG 13, 2026
$425,000
C
4 beds3 baths2,664 sq ft
393 Victory Height Dr, Wentzville, MO 63385
SOLD SEP 18, 2026
$440,000
D
4 beds2.5 baths2,947 sq ft
609 Sunny Pass Dr, Wentzville, MO 63385
SOLD AUG 4, 2026
$615,000
E
3 beds2.5 baths2,560 sq ft
361 Mystic Brook Dr, O Fallon, MO 63366
SOLD APR 20, 2026
$380,000
F
4 beds3 baths2,281 sq ft
209 Flint Brook Dr, O Fallon, MO 63366

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Earn from this home

Sell

$398,329

Est. take-home

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Rent

$2,608/mo

Redfin rental estimate

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Market trends in 63366, MO

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

101.6%

0.2% MoM

Median sale price

$381K

$0 MoM

Avg. days on market

10d

3 days MoM

Recently sold homes

184

9 MoM

New listings for sale

NEW 57 MINS AGO
$325,000
2 beds2 baths1,446 sq ft
10 Thoreau Ct, O Fallon, MO 63366
$129,900
1 bed1 bath562 sq ft
304 W Pitman St, O Fallon, MO 63366
COMING SOON
$400,000
3 beds2.5 baths2,410 sq ft
1353 Apple Valley Dr, O Fallon, MO 63366
$350,000
3 beds2 baths1,800 sq ft
11 Fawn View Ln, O Fallon, MO 63366
$499,900
5 beds3.5 baths3,356 sq ft
408 Saint Gemma Dr, O Fallon, MO 63366
$234,900
3 beds1.5 baths910 sq ft
204 Allen Dr, O Fallon, MO 63366
3D WALKTHROUGH
$450,000
4 beds4 baths4,267 sq ft
1615 Wainscott Ct, O Fallon, MO 63366
$249,000
2 beds1 bath1,014 sq ft
408 Raymond Dr, O Fallon, MO 63366
3D WALKTHROUGH
$339,900
3 beds2 baths2,104 sq ft
341 Westbrook Dr, O Fallon, MO 63366
3D WALKTHROUGH
$499,000
4 beds3.5 baths3,480 sq ft
759 Obrecht Ln, O Fallon, MO 63366
See all

Provided by Redfin

Sale history for 143 Keystone Ridge Dr

Tax history for 143 Keystone Ridge Dr

*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

2.5

Stories

Lot width

—

Lot depth

—

Lot size

8,999 Sq. Ft.

Year renovated

—

Sq. Ft.

2,545

Year built

2019

Style

Single Family Residential

County

St. Charles County

APN

2-0048-C585-00-0020.0000000

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

Sep 21, 2021 • Final

Building-accessory structures - fence / shed / barn / garage / wall / pavilion / gazebo / misc

Work on a fence.

ADU

May 11, 2021 • Final

Building-residential alterations - decks / additions / solar / remodels / patio covers / plumbing / electrical / mechanical

Remodel

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

Parking

Parking Information
Covered Spaces: 2
Parking Features: Attached Garage
Garage Spaces: 2
Carport Spaces: 0
Has Attached Garage
Has Garage

Interior

Bedroom Information
# of Bedrooms: 4
# of Bedrooms Main: 0

Bathroom Information
# of Full Baths (Total): 2
# of Half Baths (Total): 1
# of Main Level Bathrooms (Total): 1
# of Main and Upper Bathrooms: 3
Main Level # of Half Bathrooms: 1

Room 1 Information
Room Type: Family Room
Room Dimensions: 17x17
Room Length: 17
Room Width: 17
Room Level: Second or Main

Room 2 Information
Room Type: Kitchen
Room Dimensions: 12x12
Room Length: 12
Room Width: 12
Room Level: Second or Main

Room 3 Information
Room Type: Dining Room
Room Dimensions: 14x11
Room Length: 14
Room Width: 11
Room Level: Second or Main

Room 4 Information
Room Type: Master Bedroom
Room Dimensions: 15x14
Room Length: 15
Room Width: 14
Room Level: Third or Upper

Room 5 Information
Room Type: Bedroom
Room Dimensions: 13x13
Room Length: 13
Room Width: 13
Room Level: Third or Upper

Room 6 Information
Room Type: Bedroom
Room Dimensions: 13x10
Room Length: 13
Room Width: 10
Room Level: Third or Upper

Room 7 Information
Room Type: Laundry
Room Level: Second or Main

Room 8 Information
Room Type: Breakfast Room
Room Dimensions: 12x11
Room Length: 12
Room Width: 11
Room Level: Second or Main

Room 9 Information
Room Type: Bedroom
Room Dimensions: 14x11
Room Length: 14
Room Width: 11
Room Level: Third or Upper

Basement Information
Has Basement
Basement Features: Full, Concrete, Bath/Stubbed, Walk-Out Access

Other Rooms Information
# of Rooms: 9

Fireplace Information
Fireplace Features: None

Heating & Cooling
Has Heating
Heating Information: Forced Air
Cooling Information: Electric

Interior Features
Interior Features: High Ceilings, Open Floorplan, Walk-in Closet(s)
Window Features: Low Emissivity Windows, Panel Door(s), Some Tilt-In Windows
Appliances: Dishwasher, Disposal, Microwave, Electric Oven, Stainless Steel Appliance(s)

Exterior

Building Information
Construction Materials: Brick Veneer, Frame, Vinyl Siding

Property Information
Ownership Type: Private
Development Status: New Construction
Property Type: Residential
Property Sub Type: Residential
Above Grade Finished Area: 2,538
Above Grade Finished Area Source: Builder
Model: Hermitage II

Lot Information
Lot Features: Sidewalks, Streetlights
Lot Size Dimensions: 0

Financial

Tax Information
Tax Year: 2019

Utilities

Utility Information
Water Source: Public
Sewer: Public Sewer

Location

HOA Information
Association Amenities: Underground Utilities
Association Fee: $225
Association Fee Frequency: Annually

School Information
Elementary School: Flint Hill Elem.
Middle Or Junior High School: Ft. Zumwalt North Middle
High School: Ft. Zumwalt North High
High School District: Ft. Zumwalt R-II

Location Information
Directions: I-70 to north on Lake St. Louis Blvd (exit 214), straight onto Guthrie Road to community entrance on left. Display located at 102 Keystone Ridge Drive, O’Fallon, MO 63366

Public facts

Beds: 4
Baths: 2.5
Sq. Ft.: 2,545
Stories: 2.0
Lot Size: 8,999 square feet
Style: Single Family Residential
Year Built: 2019
Year Renovated: —
County: St. Charles County
APN: 2-0048-C585-00-0020.0000000

Home facts updated by county records on Aug 7, 2026

Other

Home Information
Builder Name: McBride Homes
Levels: Two

Around this home

Schools

Flint Hill Elementary

Public K-5 • Assigned • 4.3mi

7/10

Ft. Zumwalt North Middle School

Public 6-8 • Assigned • 4.5mi

8/10

Ft. Zumwalt North High School

Public 9-12 • Assigned • 6.0mi

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

6 days above 107° expected this year, 17 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 • 63366

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

$404,000 – $489,000

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Home values near 143 Keystone Ridge Dr

Data from public records.

Address	Redfin Estimate
129 Keystone Ridge Dr, O Fallon, MO 3 Beds \| 3 Baths \| 2976 Sq. Ft.	$485,167
135 Keystone Ridge Dr, O Fallon, MO 3 Beds \| 2 Baths \| 1984 Sq. Ft.	$432,368

Address	Redfin Estimate
131 Keystone Ridge Dr, O Fallon, MO 4 Beds \| 2.5 Baths \| 2700 Sq. Ft.	$478,181
137 Keystone Ridge Dr, O Fallon, MO 3 Beds \| 2 Baths \| 1569 Sq. Ft.	$386,835

Address	Redfin Estimate
133 Keystone Ridge Dr, O Fallon, MO 3 Beds \| 2 Baths \| 1571 Sq. Ft.	$373,688
139 Keystone Ridge Dr, O Fallon, MO 3 Beds \| 2 Baths \| 2002 Sq. Ft.	$427,534

Property information provided by MARIS as Distributed by MLS Grid when last listed in 2020. This data may not match . Learn more.

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