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2025 Assessor Certified Values

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Property Details
Information is current as of 04/05/2026
Account Number: 431520A000 Parcel ID: 3-0117-4359-00-0014.0000000
Owner(s):
PORTELL LANCE C &
PORTELL MICHELLE R TRUST
433 BLANCHE DR
ST CHARLES, MO 63303
Property Address: 433 BLANCHE DR 63303
School District: Francis Howell
City: St. Charles
Fire District: St. Charles
Neighborhood Code: 1139
Subdivision: MITTLER AC
Legal Description: MITTLER AC PT LOT 24 & 25
Lot Size: 1.0000 AC Site Map
Building Data
Year Built: 2014 Property Type: SINGLE FAMILY RESIDENCE (R)
Quality Code: R - 40 - Good Architectural Type: 2 - 2STY - 2 Story Building
Exterior Walls: 20% MASONRY VENEER, 5% STONE, 75% VINYL,
Bedrooms: 4 Total Area: 3,240
Bathrooms: 4 Base Area: 2,014
Half Bathrooms: 0 Parking Area: 640
Total Rooms: 9 Basement Area 1,796
Fireplaces: 1 Finished Basement Area: 0
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: $587,846
Residential Value: $111,691 Land Value: $50,000
Agriculture Value: $0  
Sales History
Previous Owner(s) Sale Date Sale Price Book/Year & Page/Doc No.
    Adj. Sale Price U.P.S.F.
PORTELL LANCE*PORTELL MICHELLE 10/27/2021 $0 02021-089035
    $0 $0.00
HIMMELSBACH NORBERT A*HIMMELSBACH MARIE A 10/23/2013 $42,500 06110-000623
    $42,500 $13.12
SNYDER MARIE A 04/01/1983 $0 00948-000542
    $0 $0.00
HIMMELSBACH SNYDER MARIE 01/01/1980 $0 00244-000615
    $0 $0.00
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Real Estate Tax Data
Property Tax Data
10-Year Property Value History
Tax Year Market Value Assessed Value
2026 $587,846 $111,691
2025 $587,846 $111,691
2024 $407,222 $77,372
2023 $407,222 $77,372
2022 $425,842 $80,910
2021 $425,842 $80,910
2020 $375,887 $71,418
2019 $375,887 $71,418
2018 $348,674 $66,248
2017 $348,674 $66,248
2016 $355,790 $67,600