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Sold on 02/20/2026
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155 Keystone Ridge Dr, O Fallon, MO 63366

  • $425,000

    Last sold 02/20/2026

  • 3

    bed

  • 2

    bath

  • 1,984

    Sqft ($214/Sqft)

House not for sale
11 homes bought nearby with Movoto recently

About 155 Keystone Ridge Dr

Property type House
Year built 2019
HOA fee $0/month
Lot size 9,017 Sqft
Movoto estimate
Rental estimate
Property description
This 3-bedroom, 2-bathroom single-family home is located at 155 Keystone Ridge Dr, O Fallon, MO, 63366 in Saint Charles County and was built in 2019. This home offers 1,984 square feet of living space on a 9,017 sq ft lot. The estimated market value is $437,000, approximately $220 per square foot.
$437K
Range: $410K-$463K
Last 30 days 
Rental est.: $2,428/month
Gross rent multiplier: 14.6
  • — Off Market
    —
  • Feb 2026
  • Feb 20, 2026 Sold
    $425,000 (-2.3%)
  • Dec 18, 2025 Pending
    —
  • Dec 10, 2025 Price Change
    $435,000 (-1.1%)
  • Nov 19, 2025 Coming Soon
    $439,900 (+10.3%)
  • Apr 2023
  • Apr 4, 2023 Sold
    $399,000 (-0.3%)
  • Mar 5, 2023 Pending
    —
  • Jan 31, 2023 Listed
    $400,000 (+30.1%)
  • Sep 2019
  • Sep 11, 2019 Sold
    $307,503 (-2.2%)
  • Jul 1, 2019 Pending
    —
  • Jun 26, 2019 Listed
    $314,332 (+2.8%)
  • Jun 26, 2019 Pending
    —
  • May 7, 2019 Price Change
    $305,749 (+2.2%)
  • Feb 15, 2019 Price Change
    $299,249 (+2.3%)
  • Jan 15, 2019 Listed
    $292,400
  • 155 Keystone Ridge Dr
    $425K
  • —
  • 63366
    $392K -1% y/y
  • O Fallon
    $440K +2% y/y
No chart available
Statistics calculated by Movoto
Est. value Bed/bath Sqft mi
153 Keystone Ridge Dr, O Fallon, MO 63366 $430,000 4/2 1,800 0.01
157 Keystone Ridge Dr, O Fallon, MO 63366 $458,000 4/2 2,542 0.01
151 Keystone Ridge Dr, O Fallon, MO 63366 $476,000 4/2 2,674 0.02
159 Keystone Ridge Dr, O Fallon, MO 63366 $399,000 3/2 1,571 0.02
154 Keystone Ridge Dr, O Fallon, MO 63366 $483,000 4/3 2,836 0.03
149 Keystone Ridge Dr, O Fallon, MO 63366 $385,000 3/2 1,609 0.03
161 Keystone Ridge Dr, O Fallon, MO 63366 $526,000 4/2 3,174 0.03
1 Keystone Ridge Ct, O Fallon, MO 63366 $692,000 4/4 3,590 0.04

Estimated values are based on public record data and automated valuation models. Values are not guaranteed and may not reflect current market conditions.

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7/10
Mount Hope Elementary School
public Grades K-5
Ft. Zumwalt R-II School District
8/10
Ft. Zumwalt North High School
public Grades 9-12
Ft. Zumwalt R-II School District
Source: GreatSchools.org © 2026. All rights reserved.

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