St. Charles County property record for 1631 Duvall Ct, O Fallon, MO 63368 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,382 sqft · built 1975 |
| Lot Size | 2.23 acres (97,139 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $202,100 (Jul 2016) |
| Tax Bill | $4,161 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 426660A000 |
| Primary APN | 426660A000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,382 sqft Living Area |
| Gross Area | 3,436 sqft |
| 1st Floor Area | 1,382 sqft |
| Basement Area | 1,382 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1975 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Ranch |
| Exterior Material | Brick/Stone |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 97,139 sqft |
| Terrain | Rolling |
| Garage Type | Attached |
| Garage Area | 672 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 428 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | 426660A000 |
|---|---|
| Street Address | 1631 DUVALL CT |
| City | O FALLON |
| State | MO |
| Zip | 63368-6930 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LES PETIT CHATEAUX LOT 16 |
| Legal Subdivision | LES PETITS CHATEAU |
| Legal Lot Number | 16 |
| Jurisdiction | ST CHARLES MO |
| Township / Civil Division | WELDON SPRING |
| Census Block Group | 5 |
| Census Block | 5015 |
| Census Tract | 311732 |
Source: St. Charles County records · APN 426660A000
Assessment roll updated August 7, 2026 · Last verified August 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 File |
|---|---|
| Mailing Address | 1631 DUVALL CT, O FALLON, MO 63368-6930 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jul 20, 2016 · Amount on Record |
| Deed Sale | Jul 20, 2016 · Amount on Record |
| Deed Document Number | 2016459390 |
| Deed Book / Page | 6577 / 932 |
| Prior Transfer Date | Jul 14, 2016 |
| Prior Transfer Doc | 0065770934 |
| Record Updated | Sep 20, 2026 |
Source: St. Charles County records · Assessment roll updated August 7, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | Missouri |
| Municipality | Dardenne Prairie City |
| County | St. Charles County |
| Unified School District | Fort Zumwalt R-II School District (PK - 12) |
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.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $69,156 (-) | $363,980 (-) Land $104,364 Building $259,616 | |
| 2025 | $4,161.00 (-6.24%) | $69,156 (-3.55%) | $363,980 (-3.55%) Land $104,364 Building $259,616 |
| 2024 | $4,438.00 | ||
| 2023 | $71,701 | ||
| 2022 | $377,374 Land $89,200 Building $288,174 |
Source: FEMA National Flood Hazard Layer, St. Charles County (29183C), updated August 25, 2024 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 205 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Gateway Fiber Holdings | Fiber | 2,000 / 2,000 |
| Spectrum | Cable | 1,000 / 1,000 |
| Wisper ISP | Fixed Wireless | 400 / 30 |
| Verizon | Fixed Wireless | 300 / 20 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: Spectrum. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
Search by:
By searching, you agree to: Terms • Privacy • Disclosures