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Pending
  • Listing Provided by: 

    Jody Tiberghien 573-289-4339,

    Coldwell Banker Realty - Gundaker

    Price cut: $4.9K (12/10)
    $435,000

    155 Keystone Ridge Dr, O'Fallon, MO 63366

    3beds
    1,984sqft
    : 
    Single Family Residence
    Built in 2019
    8,999.5 Square Feet Lot
    $-- Zestimate®
    $219/sqft
    $33/mo HOA

    What's special

    Beautiful hardwood floorsRoomy hall bathLarge walk-in closetEgress windowSuper convenient main-floor laundryVaulted ceilingsHis-and-hers vanities
    Don’t miss your chance to own this charming home in a highly desirable O’Fallon neighborhood! This gorgeous 3-bedroom, 2-bath home with a 3-car garage offers nearly 2,000 sq. ft. of main-floor living—plenty of room for everything and everyone! You’ll love the beautiful hardwood floors, vaulted ceilings, tons of natural light, spacious Great Room feels warm and inviting. The primary suite is a true standout with its large walk-in closet and a bright master bath featuring a separate tub and shower, plus convenient his-and-hers vanities. Two additional generously sized bedrooms and a roomy hall bath complete the main level, along with a super convenient main-floor laundry. Step outside to the deck and patio—perfect for entertaining, grilling, or simply enjoying a peaceful morning cup of coffee. This home also features a whole-house water purification system, adding an extra touch of comfort and quality. The lower level features an egress window and a rough-in for a future bathroom, giving you the opportunity to expand and make the space your own. All of this in a prime location near parks, shopping, restaurants, and major highways. Great house, great location, great opportunity!
    34 days
    |
    540
    |
    35
    |

    Likely to sell faster than

    Zillow last checked: 8 hours ago

    Listing updated: December 19, 2025 at 08:02am

    Listing Provided by:

    Jody Tiberghien 573-289-4339,

    Coldwell Banker Realty - Gundaker

    Source: MARIS,MLS#: 25076846MLS LogoOriginating MLS: St. Louis Association of REALTORS

    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
    Video & virtual tour

    Property

    Parking
    • Total spaces: 3
    • Parking features: Garage, Garage Door Opener, Off Street
    • Attached garage spaces: 3
    Features
    • Levels: One
    Lot
    • Size: 8,999.5 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

    • Price per square foot: $219/sqft
    • Tax assessed value: $383,571
    • Annual tax amount: $4,678
    • Date on market: 11/20/2025
    • Cumulative days on market: 34 days
    • Listing terms: Cash,Conventional,FHA,VA Loan
    • Electric utility on property: Yes
    Get pre-qualifiedBe ready to make an offer.
    Connect with an agentGet info on this home, tour, and more.
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    Estimated market value

    Not available

    Estimated sales range

    Not available

    Not available

    Price history

    Price history
    DateEventPrice
    12/19/2025Pending sale$435,000$219/sqft
    Source: MARIS #25076846 Report a problem
    12/10/2025Price change$435,000-1.1%$219/sqft
    Source: MARIS #25076846 Report a problem
    11/20/2025Listed for sale$439,900+10%$222/sqft
    Source: MARIS #25076846 Report a problem
    4/4/2023Sold--
    Source: MARIS #23004827 Report a problem
    3/5/2023Pending sale$400,000$202/sqft
    Source: MARIS #23004827 Report a problem

    Public tax history

    Public tax history
    YearProperty taxesTax assessment
    2024$4,678 -0.1%$72,878
    2023$4,682 +13.2%$72,878 +21.4%
    2022$4,134 $60,010

    Find assessor info on the county website

    BuyAbility℠ payment

    Est. payment
    $2,685/mo
    Principal & interest
    $2119
    Property taxes
    $381
    Other costs
    $185

      Climate risks

      Neighborhood: 63366

      Nearby schools

      GreatSchools rating
      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.

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