146 Keystone Ridge Dr, O Fallon, MO 63385

Last listed at $271,388, closed on feb 2019

$432,826

•

2,538

sq ft

146 Keystone Ridge Dr, O Fallon, MO 63385

About this home

Single-familyProperty Type

9,583 sq ftLot Size

$171Est. Price/Sq.Ft.

2 car garageParking

Listed by Larry Wilson • Coldwell Banker Realty - Gunda

Bought with Default Zmember • Zdefault Office

Redfin checked: 2 minutes ago

•Source:MARIS as Distributed by MLS Grid #19002778

Redfin Estimate

$432,826

$161K over list price of $271K

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 2.9% lower than the average sale price ($446K) of 6 comparable homes.

SOLD OCT 15, 2026
$510,000
A
4 beds2 baths2,179 sq ft
332 Mystic Brook Dr, O Fallon, MO 63366
SOLD OCT 16, 2026
$375,000
B
4 beds2.5 baths2,000 sq ft
425 Dusty Brook Dr, O Fallon, MO 63366
SOLD AUG 21, 2026
$500,000
C
3 beds2.5 baths2,012 sq ft
345 Mystic Brook Dr, O Fallon, MO 63366
SOLD SEP 18, 2026
$440,000
D
4 beds2.5 baths2,947 sq ft
609 Sunny Pass Dr, Wentzville, MO 63385
SOLD JUL 16, 2026
$425,000
E
4 beds2.5 baths2,880 sq ft
225 Flint Brook Dr, O Fallon, MO 63366
SOLD AUG 13, 2026
$425,000
F
4 beds3 baths2,664 sq ft
393 Victory Height Dr, Wentzville, MO 63385

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Earn from this home

Sell

$405,897

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 October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

100.8%

0.8% MoM

Median sale price

$360K

$21K MoM

Avg. days on market

12d

2 days MoM

Recently sold homes

179

5 MoM

New listings for sale

COMING SOON
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COMING SOON
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COMING SOON
$480,000
3 beds3 baths3,329 sq ft
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$429,000
4 beds3 baths1,528 sq ft
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OPEN SUN, 1PM TO 3PM
$250,000
3 beds1 bath1,210 sq ft
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COMING SOON
$649,000
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503 Wycombe Dr, O Fallon, MO 63366
$529,900
4 beds2 baths2,600 sq ft
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See all

Provided by Redfin

Sale history for 146 Keystone Ridge Dr

Tax history for 146 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.

2,514

Year built

2018

Style

Single Family Residential

County

St. Charles County

APN

2-0048-C585-00-0060.0000000

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Oct 26, 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

Dec 11, 2021 • Final

Building-plumbing - sewer lateral / water service / lawn irrigation

Install a new irrigation system.

Grading

Plumbing

Oct 25, 2019 • Final

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

Work on a fence.

ADU

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

Interior

Virtual Tour

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: Great Room
Room Level: Second or Main

Room 2 Information
Room Type: Dining Room
Room Level: Second or Main

Room 3 Information
Room Type: Kitchen
Room Level: Second or Main

Room 4 Information
Room Type: Breakfast Room
Room Level: Second or Main

Room 5 Information
Room Type: Master Bedroom
Room Level: Third or Upper

Room 6 Information
Room Type: Bedroom
Room Level: Third or Upper

Room 7 Information
Room Type: Bedroom
Room Level: Third or Upper

Room 8 Information
Room Type: Bedroom
Room Level: Third or Upper

Room 9 Information
Room Type: Laundry
Room Level: Second or Main

Basement Information
Basement Features: Concrete, Full, Concrete, Walk-Out Access

Other Rooms Information
# of Rooms: 10

Fireplace Information
Fireplace Features: None

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

Interior Features
Interior Features: Open Floorplan, Walk-in Closet(s)
Window Features: Six Panel Door(s), Sliding Glass Doors, Some Insulated Wndws
Appliances: Dishwasher, Disposal, Electric Oven

Exterior

Building Information
Construction Materials: 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

Lot Information
Lot Features: Sidewalks, Streetlights
Lot Size Acres: 0.22
Lot Size Dimensions: 9,000 sq.ft.
Lot Size Source: Builder

Financial

Tax Information
Tax Year: 17

Utilities

Utility Information
Water Source: Public
Sewer: Public Sewer

Location

HOA Information
Association Amenities: Underground Utilities
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.
Cross Street: Guthrie

Public facts

Beds: 4
Baths: 2.5
Sq. Ft.: 2,514
Stories: 2.0
Lot Size: 8,999 square feet
Style: Single Family Residential
Year Built: 2018
Year Renovated: —
County: St. Charles County
APN: 2-0048-C585-00-0060.0000000

Home facts updated by county records on Oct 26, 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 • 6.1mi

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 • 63385

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

$412,000 – $498,000

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Home values near 146 Keystone Ridge Dr

Data from public records.

Address	Redfin Estimate
131 Keystone Ridge Dr, O Fallon, MO 4 Beds \| 2.5 Baths \| 2700 Sq. Ft.	$472,447
137 Keystone Ridge Dr, O Fallon, MO 3 Beds \| 2 Baths \| 1569 Sq. Ft.	$383,713

Address	Redfin Estimate
133 Keystone Ridge Dr, O Fallon, MO 3 Beds \| 2 Baths \| 1571 Sq. Ft.	$369,014
139 Keystone Ridge Dr, O Fallon, MO 3 Beds \| 2 Baths \| 2002 Sq. Ft.	$423,004

Address	Redfin Estimate
135 Keystone Ridge Dr, O Fallon, MO 3 Beds \| 2 Baths \| 1984 Sq. Ft.	$428,202
141 Keystone Ridge Dr, O Fallon, MO 4 Beds \| 2.5 Baths \| 3094 Sq. Ft.	$469,025

Property information provided by MARIS as Distributed by MLS Grid when last listed in 2019. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 63366, MO

Sale history for 146 Keystone Ridge Dr

Tax history for 146 Keystone Ridge Dr

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 63366

Home values near 146 Keystone Ridge Dr

More real estate resources