OFF MARKET
Google satellite image for 124 Keystone Ridge Dr, O Fallon, MO 63366
Off market oct 2018 for $398K
$501,711
Est. refi paymentEst. refi $2,294/mo
3
bd
•
2 ba
•
1,984
sq ft

124 Keystone Ridge Dr, O Fallon, MO 63366

map-entry

About this home

124 Keystone Ridge Dr is a 1,984 square foot house on a 1.5 acre lot with 3 bedrooms and 2 bathrooms. - it last sold on October 30, 2018 for $398,851. Based on Redfin's O Fallon data, we estimate the home's value is $501,711.
Single-familyProperty Type
2018Year Built
1.5 acresLot Size
$253Est. Price/Sq.Ft.
Source:Public Records

Redfin Estimate

$501,711
$103K since sold in October 2018$7,000 since October

This home's estimate is 8.5% higher than the average sale price ($462K) of 6 comparable homes.

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell
$204,828
Est. take-home

List your home with Redfin and save $5,017

Refinance
$0
Est. cash available

Get cash now or lower your monthly rate

Rent
$2,559/mo
Redfin rental estimate

List your home for rent

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

Provided by Redfin

Sale history for 124 Keystone Ridge Dr

Tax history for 124 Keystone Ridge Dr

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

Zoning and permits

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

Around this home

Schools

Flint Hill Elementary

Public K-5 • Assigned • 4.4mi

7/10
Ft. Zumwalt North Middle School

Public 6-8 • Assigned • 4.4mi

8/10
Ft. Zumwalt North High School

Public 9-12 • Assigned • 5.9mi

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, 18 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)
38
20
47
27
66
41
72
51
76
56
85
68
90
72
86
66
85
59
73
52
57
40
46
29
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
$477,000 – $577,000

Reach more buyers when you sell with Redfin. Save up to $5,017 in fees. 3 minutes to get started.

Need the cash from your home fast? Sell to .

Nearby similar homes

NEW CONSTRUCTION3D WALKTHROUGH
$779,990
4 beds3.5 baths3,292 sq ft
2 Tbb Bridgeport @ Chateau De Fond Du Lac, Lake St. Louis, MO 63367
Chef's kitchen • Oversized island • Spa-inspired bath
3D WALKTHROUGH
$370,000
4 beds3 baths2,751 sq ft
1025 Seine Dr, Lake St Louis, MO 63367
Vaulted ceiling • Wood beam • Fireplace
NEW CONSTRUCTION
$372,472
3 beds2.5 baths1,600 sq ft
201 Red Cliff Ct, O'Fallon, MO 63385
Granite countertops • 39 wall cabinets • 3 garage spots
$444,900
4 beds3.5 baths2,904 sq ft
968 Ridgepointe Place Cir, Lake St Louis, MO 63367
Walk-in closet • Custom closet system • Private ensuite bath
$1,150,000
5 beds4.5 baths3,600 sq ft
16 Regatta Bay Ct, Lake St Louis, MO 63367
Lakefront home • Quiet cul de sac • Granite countertops
$349,900
5 beds3 baths3,064 sq ft
522 Rifle Ridge Dr, Wentzville, MO 63385
Finished lower level • Full bathroom • Egress window

New listings for sale in 63366

COMING SOON
$325,000
3 beds3 baths2,447 sq ft
2 Turtle Creek Villas Dr, O'Fallon, MO 63366
3,920 sq ft lot • 2 garage spots • Community pool
COMING SOON
$739,900
6 beds3.5 baths4,260 sq ft
422 Coronation Dr, O Fallon, MO 63366
1.78-acre lot • Two-story great room • Gas fireplace
COMING SOON
$480,000
3 beds3 baths3,329 sq ft
1316 Presidents Landing Dr, O Fallon, MO 63366
Custom cabinetry • Granite countertops • Sunny breakfast room
$429,000
4 beds3 baths1,528 sq ft
3 Locust Hills Ct, O Fallon, MO 63366
9,147 sq ft lot • 3 garage spots • Built 2001
OPEN SUN, 1PM TO 3PM
$250,000
3 beds1 bath1,210 sq ft
1128 Central Pkwy, O Fallon, MO 63366
9,151 sq ft lot • Garage • Built 1965
$425,000
3 beds2 baths1,781 sq ft
1316 Whispering River Ct, Saint Paul, MO 63366
Bright white kitchen • 0.37 acre lot • 3 garage spots
COMING SOON
$649,000
3 beds3 baths2,803 sq ft
857 Emge Rd, O Fallon, MO 63366
Remodeled kitchen • New roof • New siding
$795,000
3 beds3 baths4,000 sq ft
306 Walnut Forest Dr, O Fallon, MO 63366
Custom fireplace • Walk-in pantry • Primary suite
$379,900
3 beds3.5 baths2,274 sq ft
503 Wycombe Dr, O Fallon, MO 63366
Open gathering area • Spacious kitchen • Center island

Home values near 124 Keystone Ridge Dr

Data from public records.

More real estate resources

La Paloma homes for sale
Wyndgate Village homes for sale
The Villages at Bainbridge homes for sale
Download the Redfin App on the Apple App Store
Download the Redfin App from the Google Play Store

Join us

Become an Agent
Get referrals
Careers

Find homes faster

Download the Redfin App on the Apple App Store
Download the Redfin App from the Google Play Store

About us

Why Redfin?
Community Impact
Inclusion
Culture
Press
Investors
Blog
Real Estate News

Find us

Contact Us
Help Center
Advertise

Subsidiaries

Rent.
ApartmentGuide

Affiliated Business

Rocket Close
Rocket Mortgage

Countries

US flagUnited States

Canadian flagCanada

Copyright: © 2026 Redfin. All rights reserved.

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

Redfin Brokerage Licenses

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.