St. Charles County property record for 551 Duke William Ct, O Fallon, MO 63366
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,712 sqft · built 2000 |
| Lot Size | 0.27 acres (11,761 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $155,530 (Oct 2000) |
| Tax Bill | $4,057 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | T010300146 |
| Primary APN | T010300146 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 2,712 sqft Living Area |
| Gross Area | 4,028 sqft |
| 1st Floor Area | 1,817 sqft |
| Basement Area | 1,791 sqft |
| Finished Basement | 895 sqft |
| Unfinished Basement | 896 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2000 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 11,761 sqft (0.27 acres) |
| Garage Type | Attached |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 28 sqft |
| Patio Area | 100 sqft |
| Heating Fuel | Solar |
|---|---|
| Sewer | Connected |
| Account Number | T010300146 |
|---|---|
| Street Address | 551 DUKE WILLIAM CT |
| City | O FALLON |
| State | MO |
| Zip | 63366-7920 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | KINGS CROSSING #2 LOT 26 |
| Legal Subdivision | KINGS CROSSING #2 |
| Legal Lot Number | 26 |
| Jurisdiction | ST CHARLES MO |
| Township / Civil Division | O'FALLON |
| Census Block Group | 5 |
| Census Block | 5009 |
| Census Tract | 311602 |
551 Duke William Ct is owned and occupied by two individuals who acquired it in May 2006.
Source: St. Charles County records, as of August 7, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 551 DUKE WILLIAM CT, O FALLON, MO 63366-7920 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 4, 2000 · Amount on File |
| Deed Sale | Oct 4, 2000 · Amount on File |
| Prior Sale | Oct 4, 2000 |
| Deed Document Number | 200061024 |
| Deed Book / Page | 2448 / 1815 |
| Last Transfer Date | May 23, 2006 |
| Transfer Doc | 0045042078 |
| 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 | $66,464 (-) | $349,810 (-) Land $60,000 Building $289,810 | |
| 2025 | $66,464 | $349,810 Land $60,000 Building $289,810 | |
| 2024 | $4,057.00 | ||
| 2023 | $61,347 | ||
| 2022 | $322,877 Land $50,000 Building $272,877 |
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.
FEMA maps place 551 Duke William Ct in Zone X, an area of minimal flood risk.
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 | 5 in force |
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 risk around 551 Duke William Ct is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 95% of the US · lower than 93% 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 527 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 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Wisper ISP.
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