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4 Onyx Ct, O Fallon, MO 63366

$372,000

Last sold date unavailable

  • 3

    bed

  • 2

    bath

  • 1,580

    Sqft ($214/Sqft)

House not for sale
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About 4 Onyx Ct

Property type House
Year built 1998
HOA fee $0/month
Lot size 0.27 Acre
Movoto estimate
Rental estimate
Property description
This 3-bedroom, 2-bathroom single-family home is located at 4 Onyx Ct, O Fallon, MO, 63366 in Saint Charles County and was built in 1998. This home offers 1,580 square feet of living space on a 11,761 sq ft lot. The estimated market value is $372,000, approximately $235 per square foot.
$372K
Range: $340K-$403K
Last 30 days 
Rental est.: $2,514/month
Gross rent multiplier: 11.2
  • Year Property taxes Tax assessment
  • 2025
    $3,888 +20.6%
    $60,495 +33.75%
  • 2022
    $3,223 -0.1%
    $45,231
  • 2021
    $3,225 +6.5%
    $45,231
  • 2020
    $3,028 -0.2%
    $45,231 +9.94%
  • 2019
    $3,035 +5.4%
    $41,141
  • 2018
    $2,880
    $41,141
  • 4 Onyx Ct
    $337K
  • —
  • 63366
    $399K +1% y/y
  • O Fallon
    $444K +1% y/y
No chart available
Statistics calculated by Movoto
Est. value Bed/bath Sqft mi
2 Onyx Ct, O Fallon, MO 63366 $359,900 3/2 1,500 0.02
6 Onyx Ct, O Fallon, MO 63366 $405,700 3/2 1,733 0.02
539 Topaz Dr, O Fallon, MO 63366 $333,900 3/2 1,400 0.02
8 Onyx Ct, O Fallon, MO 63366 $407,000 4/2 1,982 0.03
5 Onyx Ct, O Fallon, MO 63366 $423,900 4/2 2,188 0.03
531 Topaz Dr, O Fallon, MO 63366 $362,700 3/2 1,566 0.03
3 Onyx Ct, O Fallon, MO 63366 $363,100 3/2 1,550 0.03
509 Topaz Dr, O Fallon, MO 63366 $357,100 3/2 1,516 0.03

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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6/10
Forest Park Elementary School
public Grades 3-5
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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