St. Charles County property record for 403 Duchesne Ave, O Fallon, MO 63366
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,108 sqft · built 1965 |
| Lot Size | 0.258 acres (11,256 sqft) |
| Owner | Individual Name on File |
| Last Sale | $112,000 (Jul 2012) |
| Tax Bill | $2,783 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 234840A000 |
| Primary APN | 234840A000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,108 sqft Living Area |
| Gross Area | 2,216 sqft |
| 1st Floor Area | 1,108 sqft |
| Basement Area | 1,108 sqft |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1965 |
| Architectural Style | Ranch |
| Exterior Material | Brick/Stone |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 11,256 sqft (0.258 acres) |
| Lot Dimensions | 84 ft deep x 134 ft wide |
| Garage Type | Carport |
| Garage Area | 200 sqft |
| Carport | Carport |
| Carport Area | 200 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Open Porch |
| Porch Area | 356 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Connected |
| Account Number | 234840A000 |
|---|---|
| Street Address | 403 DUCHESNE AVE |
| City | O FALLON |
| State | MO |
| Zip | 63366-2761 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | AE9 |
| Legal Description | HILLTOP MANOR #2 LOT 104 |
| Legal Subdivision | HILLTOP MANOR #2 |
| Legal Lot Number | 104 |
| Jurisdiction | ST CHARLES MO |
| Township / Civil Division | O'FALLON |
| Census Block Group | 1 |
| Census Block | 1015 |
| Census Tract | 311602 |
Source: St. Charles County records, as of August 7, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 403 DUCHESNE AVE, O FALLON, MO 63366-2761 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 31, 2012 · Amount on File |
| Deed Sale | Jul 31, 2012 · Amount on File |
| Prior Sale | Jul 2, 2003 · Amount on File |
| Deed Document Number | 2012569110 |
| Deed Book / Page | 5824 / 2203 |
| Record Updated | Oct 29, 2026 |
Source: St. Charles County assessment roll, as of August 7, 2026
| Type | Name |
|---|---|
| State | Missouri |
| County | St. Charles County |
| Municipality | O'Fallon City |
| Unified School District | Fort Zumwalt R-II School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $43,132 (-) | $227,008 (-) Building $227,008 | |
| 2025 | $2,783.00 | $43,132 (+8.39%) | $227,008 (+8.39%) |
| 2023 | $39,793 | ||
| 2022 | $209,435 Building $209,435 |
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.
Source: FEMA National Flood Hazard Layer, effective August 25, 2024 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 9 (5% premium discount) |
| Nearby Flood Policies | 3 in force |
| Nearby Flood Claims | 23 (1981–2022) |
| Claims Outside the SFHA | 2 of 23 |
| Most Recent Claim | Jul 2022 · Severe Storms And Flooding |
| Claims by Event |
|
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 98.2% of Missouri |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | OFALLON PWS serves 32,515 people · EPA ID MO6010588 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Aug 2024 |
| Lead | 2 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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.
Source: FCC Broadband Data Collection, based on 144 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Gateway Fiber, i3 Broadband, Verizon, Wisper ISP.
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