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Please note: Information maintained by this office is for Assessment purposes only and should not be used to verify or transfer ownership. All maps maintained, provided and/or purchased are based on Assessment information and do not represent a legal survey of the parcels shown and shall not be used for conveyance or the establishment of property boundaries.

2025 Assessor Certified Values

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Property Details
Information is current as of 04/04/2026
Account Number: A922000401 Parcel ID: 2-0119-6769-00-0078.0000000
Owner(s):
AMOS CLAYTON A
866 WHISPERING WINDSONG DR
OFALLON, MO 63366-3162
Property Address: 866 WHISPERING WINDSONG DR 63366
School District: Fort Zumwalt
City: O'Fallon
Fire District: O'Fallon
Neighborhood Code: 1225
Subdivision: WINDSONG #3
Legal Description: WINDSONG #3 LOT 78
Lot Size: 0.2400 AC Site Map
Building Data
Year Built: 1992 Property Type: SINGLE FAMILY RESIDENCE (R)
Quality Code: R - 30 - Average Architectural Type: 1 - 1STY - 1 Story Building
Exterior Walls: 20% MASONRY VENEER, 80% VINYL,
Bedrooms: 3 Total Area: 1,470
Bathrooms: 2 Base Area: 1,470
Half Bathrooms: 0 Parking Area: 420
Total Rooms: 5 Basement Area 1,442
Fireplaces: 1 Finished Basement Area: 500
a simplified floor plan of the structures on the property outlining features of the structures and associated improvements.
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Assessed Value
Commercial Value: $0 Total Market Value: $299,412
Residential Value: $56,888 Land Value: $55,000
Agriculture Value: $0  
Sales History
Previous Owner(s) Sale Date Sale Price Book/Year & Page/Doc No.
    Adj. Sale Price U.P.S.F.
VASALLO SHAUN*VASALLO ERIN 04/25/2019 $181,000 07064-000122
    $181,000 $123.13
VASALLO CHAD*BOYER CHRISTOPHER 04/03/2017 $137,500 06721-002107
    $137,500 $93.54
BANK OF NEW YORK MELLON 07/05/2011 $125,000 05606-000432
    $121,300 $85.03
KELLY BRIAN R 11/15/2010 $165,000 05493-002215
    $165,000 $112.24
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Real Estate Tax Data
Property Tax Data
10-Year Property Value History
Tax Year Market Value Assessed Value
2026 $299,412 $56,888
2025 $299,412 $56,888
2024 $276,942 $52,619
2023 $276,942 $52,619
2022 $232,107 $44,100
2021 $232,107 $44,100
2020 $206,028 $39,145
2019 $206,028 $39,145
2018 $171,802 $32,642
2017 $171,802 $32,642
2016 $174,352 $33,127