155 Keystone Ridge Dr, O'Fallon, MO 63366
Home value
$429,700
$404,000 - $460,000
$2,559/mo
Owner options
$2,559/mo
Rent Zestimate®
Find your next renter with Zillow Rental Manager. Plus, with online applications, you can quickly screen prospective tenants – for free.
$2,559/mo
Rent Zestimate®
$400/mo
Est. payment
Refinancing to a lower rate could help reduce your monthly payments and save thousands over the life of the loan.
$400/mo
Est. payment
Explore your selling options
Work with a Zillow partner agent
Leverage their expertise and Zillow's premium Showcase listings to get your home seen by more buyers.
Get startedList with your own agent
Get your home in front of millions of buyers by listing it on Zillow.
Learn how to do itSell it yourself
Take full control of how buyers see your home on Zillow by listing For Sale by Owner (FSBO).
List your homeWhat's special
Zillow last checked:
Listing updated:
Jodie Tiberghien 573-289-4339,
Coldwell Banker Realty - Gundaker
James R Moll, 1999083578
Coldwell Banker Realty - Gundaker
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 2
- Full bathrooms: 2
- Main level bathrooms: 2
- Main level bedrooms: 3
Heating
- Forced Air, Natural Gas
Cooling
- Central Air
Features
- Basement: Concrete,Unfinished
- Has fireplace: No
Interior area
- Total structure area: 1,984
- Total interior livable area: 1,984 sqft
- Finished area above ground: 1,984
Property
Parking
- Total spaces: 3
- Parking features: Garage, Garage Door Opener, Off Street
- Attached garage spaces: 3
Features
- Levels: One
Lot
- Size: 8,999 Square Feet
- Dimensions: 60 x 150 x 60 x 15
- Features: Back Yard, Many Trees, Private, Wooded
Details
- Parcel number: 20048C585000026.0000000
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Ranch
- Property subtype: Single Family Residence
Materials
- Brick, Vinyl Siding
Condition
- Year built: 2019
Utilities & green energy
- Electric: Ameren
- Sewer: Public Sewer
- Water: Public
- Utilities for property: Electricity Connected
Community & HOA
Community
- Subdivision: Keystone Ridge
HOA
- Has HOA: Yes
- Amenities included: None
- Services included: Maintenance Grounds, Common Area Maintenance, Snow Removal
- HOA fee: $400 annually
- HOA name: Keystone Ridge
Location
- Region: Ofallon
Financial & listing details
- Tax assessed value: $409,078
- Annual tax amount: $4,678
- Date on market: 11/20/2025
- Cumulative days on market: 27 days
- Listing terms: Cash,Conventional,FHA,VA Loan
- Electric utility on property: Yes
Price history
| Date | Event | Price |
|---|---|---|
| 2/20/2026 | Sold | -- |
Source: | ||
| 12/19/2025 | Pending sale | $435,000$219/sqft |
Source: | ||
| 12/10/2025 | Price change | $435,000-1.1%$219/sqft |
Source: | ||
| 11/20/2025 | Listed for sale | $439,900+10%$222/sqft |
Source: | ||
| 4/4/2023 | Sold | -- |
Source: | ||
| 3/5/2023 | Pending sale | $400,000$202/sqft |
Source: | ||
| 1/31/2023 | Listed for sale | $400,000$202/sqft |
Source: | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $4,844 +3.5% | $77,725 +6.7% |
| 2024 | $4,678 -0.1% | $72,878 |
| 2023 | $4,682 +13.2% | $72,878 +21.4% |
| 2022 | $4,134 | $60,010 |
| 2021 | -- | $60,010 +2.7% |
| 2020 | -- | $58,426 +515% |
| 2019 | $719 | $9,500 |
| 2018 | $719 | $9,500 |
Neighborhood: 63366
Nearby homes
- $426,4005 bd3 ba2.7k sqft153 Keystone Ridge Dr, O'Fallon, MO 63366Off Market
- $412,1004 bd3 ba2.5k sqft157 Keystone Ridge Dr, O'Fallon, MO 63366Off Market

- $454,6004 bd2 ba2.6k sqft151 Keystone Ridge Dr, O'Fallon, MO 63366Off Market
- $351,1003 bd2 ba1.5k sqft159 Keystone Ridge Dr, O'Fallon, MO 63366Off Market
- $375,2003 bd2 ba1.5k sqft149 Keystone Ridge Dr, O Fallon, MO 63366Off Market
- $--3 bd2 ba1.6k sqft149 Keystone Ridge Dr, O'Fallon, MO 63366Sold
- $518,6004 bd2 ba3.1k sqft161 Keystone Ridge Dr, O'Fallon, MO 63366Off Market
- $--4 bd5 ba3.5k sqft1 Keystone Ridge Ct, O'Fallon, MO 63366Sold
Nearby schools
GreatSchools rating
- 7/10Flint Hill ElementaryGrades: K-5Distance: 4.2 mi
- 8/10Ft. Zumwalt North Middle SchoolGrades: 6-8Distance: 4.6 mi
- 9/10Ft. Zumwalt North High SchoolGrades: 9-12Distance: 6.1 mi
Schools provided by the listing agent
- Elementary: Mount Hope Elem.
- Middle: Ft. Zumwalt North Middle
- High: Ft. Zumwalt North High
Source: MARIS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
Get a cash offer in 3 minutes
Get a cash offer in 3 minutes
- Missouri
- Saint Charles County
- O'fallon
- 63366
- 155 Keystone Ridge Dr