St. Charles County property record for 1668 Duvall Ct, O Fallon, MO 63368
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4.5 ba · 5,351 sqft · built 2005 |
| Lot Size | 1.79 acres (78,000 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $7,037 (2022) |
| Flood Zone | Zone X (minimal risk) |
| APN | 426330A000 |
| Primary APN | 426330A000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 12 Rooms |
| Stories | 1 Story |
| Building Area | 5,351 sqft Living Area |
| Gross Area | 6,586 sqft |
| 1st Floor Area | 3,651 sqft |
| Basement Area | 2,316 sqft |
| Finished Basement | 1,700 sqft |
| Unfinished Basement | 616 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2005 |
|---|---|
| Effective Year Built | Effective 2005 |
| Architectural Style | Ranch |
| Exterior Material | Brick/Stone |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 78,000 sqft |
| Lot Dimensions | 325 ft deep x 240 ft wide |
| Garage Type | Attached |
| Garage Area | 619 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 168 sqft |
| Heating System | Gravity Furnace |
|---|
| Account Number | 426330A000 |
|---|---|
| Street Address | 1668 DUVALL CT |
| City | O FALLON |
| State | MO |
| Zip | 63368-6930 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | AA1 |
| Legal Description | LES PETIT CHATEAUX LOT 5 |
| Legal Subdivision | LES PETITS CHATEAU |
| Legal Lot Number | 5 |
| Jurisdiction | ST CHARLES MO |
| Township / Civil Division | WELDON SPRING |
| Census Block Group | 5 |
| Census Block | 5012 |
| Census Tract | 311732 |
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 Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 1668 DUVALL CT, O FALLON, MO 63368-6930 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 3, 2019 |
| Deed Sale | Dec 3, 2019 |
| Prior Sale | Oct 21, 2013 · Amount on Record |
| Deed Document Number | 2019693470 |
| Deed Book / Page | 7192 / 1687 |
| Prior Transfer Date | Nov 25, 2019 |
| Prior Transfer Doc | 0000693470 |
| Record Updated | Oct 29, 2026 |
Source: St. Charles County assessment roll, as of August 7, 2026
| Type | Name |
|---|---|
| State | Missouri |
| Municipality | Dardenne Prairie City |
| County | St. Charles County |
| Unified School District | Fort Zumwalt R-II School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $141,817 (+13.59%) | $746,404 (+13.59%) Land $94,275 Building $652,129 | |
| 2023 | $124,852 (+16.7%) | ||
| 2022 | $7,037.00 | $106,988 | $657,108 (+16.7%) Land $80,577 Building $576,531 |
| 2021 | $563,094 Land $80,577 Building $482,517 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; 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 | ST CHARLES COUNTY PWSD 2 serves 100,587 people · EPA ID MO6024530 |
|---|---|
| Water Source | Purchased surface water from ST LOUIS CITY PWS |
| Last State Inspection | Aug 2023 |
| Lead | 2 ppb (2026) 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 352 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Gateway Fiber Fiber | 2,000 / 2,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Wisper ISP Fixed Wireless | 400 / 30 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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