644 Thornridge Dr, O Fallon, MO 63368 Property Records

St. Charles County property record for 644 Thornridge Dr, O Fallon, MO 63368

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 2,595 sqft · built 2000
Lot Size0.33 acres (14,375 sqft)
OwnerIndividual Name on Record
Last Sale$285,500 (Apr 2014)
Tax Bill$5,241 (2025)
Flood ZoneZone X (minimal risk)
APNT001700515

Property Details

APN / Parcel Number

Primary APNT001700515
Alternative APN
  • 4-0036-8337-00-0326.0000000

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms8 Rooms
Stories2 Stories
Building Area2,595 sqft Living Area
Gross Area4,219 sqft
1st Floor Area1,398 sqft
Basement Area1,197 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 2000
Effective Year BuiltEffective 2000
Architectural StyleBi-Level
Exterior MaterialBrick/Stone
Lot Area14,375 sqft (0.33 acres)
Garage TypeAttached
Garage Area427 sqft
Parking Spaces2 Parking Spaces
PorchOpen Porch
Porch Area102 sqft

Utilities, Heating & Cooling

Heating FuelGas
SewerConnected

Location & Zoning

Account NumberT001700515
Street Address644 THORNRIDGE DR
CityO FALLON
StateMO
Zip63368-3797
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionHAWTHORNE VLG LOT 326
Legal SubdivisionHAWTHORNE VLG
Legal Lot Number326
JurisdictionST CHARLES MO
Township / Civil DivisionBOONE
Census Block Group1
Census Block1001
Census Tract311153

Owner

Source: St. Charles County records, as of August 7, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordIndividual Name on Record
Mailing Address644 THORNRIDGE DR, O FALLON, MO 63368-3797
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleApr 24, 2014 · Amount on Record
Deed SaleApr 24, 2014 · Amount on Record
Prior SaleJul 10, 2000 · Amount on Record
Deed Document Number2014205660
Deed Book / Page6178 / 1956
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

Source: St. Charles County assessment roll, as of August 7, 2026

Property Jurisdictions

TypeName
StateMissouri
CountySt. Charles County
MunicipalityO'Fallon City
Unified School DistrictWentzville R-IV School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$78,925 (-)$415,397 (-) Building $415,397
2025$5,241.00$78,925 (+10.45%)$415,397 (+10.45%)
2023$71,455
2022$376,080 Land $71,500 Building $304,580

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

Source: FEMA National Flood Hazard Layer, effective August 25, 2024 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Claims2 (2006–2008)
Claims Outside the SFHA2 of 2
Most Recent ClaimSep 2008 · Severe Storms, Flooding, And A Tornado

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 94% of the US · lower than 92% of Missouri
Wildfire Likelihood0.03% annual chance
ExposureDirect
burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemST CHARLES COUNTY PWSD 2
serves 100,587 people · EPA ID MO6024530
Water SourcePurchased surface water from ST LOUIS CITY PWS
Last State InspectionAug 2023
Lead2 ppb (2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting1
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 292 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
i3 Broadband
Fiber
8,000 / 8,000
Spectrum
Cable
1,000 / 1,000
Wisper ISP
Fixed Wireless
400 / 30

May also be available: Gateway Fiber, T-Mobile, Verizon.

Nearby Properties on Thornridge Dr

Nearby Streets

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