St. Charles County property record for 1643 Duvall Ct, O Fallon, MO 63368
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,286 sqft · built 1972 |
| Lot Size | 2.06 acres (89,734 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $247,500 (Nov 2009) |
| Tax Bill | $4,813 (2024) |
| Deeds & Mortgages | Oct 2022 Line of Credit Oct 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 426630A000 |
| Primary APN | 426630A000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 2,286 sqft Living Area |
| Gross Area | 4,222 sqft |
| 1st Floor Area | 1,836 sqft |
| Basement Area | 1,836 sqft |
| Finished Basement | 450 sqft |
| Unfinished Basement | 1,386 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1972 |
| Architectural Style | Ranch |
| Exterior Material | Brick/Stone |
| Roof Type | Hip |
| Roof Material | Wood Shingle |
| Lot Area | 89,734 sqft (2.06 acres) |
| Terrain | Rolling |
| Garage Type | Attached |
| Garage Area | 550 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 150 sqft |
| Patio Area | 234 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | 426630A000 |
|---|---|
| Street Address | 1643 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 15 |
| Legal Subdivision | LES PETITS CHATEAU |
| Legal Lot Number | 15 |
| Jurisdiction | ST CHARLES MO |
| Township / Civil Division | WELDON SPRING |
| Census Block Group | 5 |
| Census Block | 5015 |
| Census Tract | 311732 |
Source: St. Charles County records, as of August 13, 2025
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 | 1643 DUVALL CT, DARDENNE PRAIRIE, MO 63368-6930 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Oct 7, 2022 | Deed of Trust, Mortgage · Line of Credit FIRST STATE BANK OF ST CHARLES MO |
| Oct 4, 2021 | Deed of Trust, Mortgage · Conventional Mortgage FIRST STATE BANK OF ST CHARLES MO |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 6, 2009 · Amount on Record |
| Deed Sale | Nov 6, 2009 · Amount on Record |
| Prior Sale | Mar 6, 1997 · Amount on Record |
| Deed Document Number | 2009858870 |
| Deed Book / Page | 5291 / 1722 |
| Prior Transfer Date | Oct 30, 2009 |
| Prior Transfer Doc | 0052911720 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ST CHARLES MO |
| Property Address | 1643 DUVALL CT, DARDENNE PRAIRIE, MO 63368-6930 |
| Transaction Type | Mortgage |
| Record Updated | Oct 20, 2022 |
| Title Company | OLD REPUBLIC TITLE |
| Name | Verified Name |
|---|---|
| Address | 1643 DUVALL CT, O FALLON, MO 63368-6930 |
| Document Number | 0000055102 |
|---|---|
| Date | Oct 7, 2022 |
| Instrument | 2022R-055102 |
| Name | FIRST STATE BANK OF ST CHARLES MO |
|---|---|
| Type | Bank |
| Address | SAINT CHARLES, MO 63301 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 11 Months |
| Due | Sep 21, 2023 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ST CHARLES MO |
| Property Address | 1643 DUVALL CT, DARDENNE PRAIRIE, MO 63368-6930 |
| Transaction Type | Mortgage |
| Record Updated | Oct 15, 2021 |
| Name | Verified Name |
|---|---|
| Address | 1643 DUVALL CT, DARDENNE PRAIRIE, MO 63368-6930 |
| Document Number | 2021R082456 |
|---|---|
| Date | Oct 4, 2021 |
| Instrument | 2021R-082456 |
| Name | FIRST STATE BANK OF ST CHARLES MO |
|---|---|
| Type | Bank |
| Address | SAINT CHARLES, MO 63301 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 120 Months |
| Due | Oct 1, 2031 |
Source: St. Charles County assessment roll, as of August 13, 2025
| 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 |
|---|---|---|---|
| 2025 | $81,444 (+4.73%) | $428,652 (+4.73%) Land $96,408 Building $332,244 | |
| 2024 | $4,813.00 | ||
| 2023 | $77,763 | ||
| 2022 | $409,278 Land $82,400 Building $326,878 |
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 99.8% of the US · lower than 99.6% 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 205 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Gateway Fiber Fiber | 2,000 / 2,000 |
| Spectrum Cable · Fiber in parts of the area | 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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