St. Charles County property record for 40 Dunmore Cir, O Fallon, MO 63368
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 4 ba · 4,244 sqft · built 1990 |
| Lot Size | 0.23 acres (10,019 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $475,000 (Dec 2024) |
| Tax Bill | $5,808 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | A912000135 |
| Primary APN | A912000135 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 4,244 sqft Living Area |
| Gross Area | 4,644 sqft |
| 1st Floor Area | 2,137 sqft |
| Basement Area | 2,107 sqft |
| Finished Basement | 2,107 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1990 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Ranch |
| Exterior Material | Brick/Stone |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 10,019 sqft (0.23 acres) |
| Garage Type | Attached |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
|---|---|
| Porch Area | 80 sqft |
| Deck Area | Deck Area |
| Patio Area | 346 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Connected |
| Account Number | A912000135 |
|---|---|
| Street Address | 40 DUNMORE CIR |
| City | O FALLON |
| State | MO |
| Zip | 63368-8520 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MONTICELLO VLG B LOT 259 |
| Legal Subdivision | MONTICELLO VLG B |
| Legal Lot Number | 259 |
| Jurisdiction | ST CHARLES MO |
| Township / Civil Division | WELDON SPRING |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 311151 |
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 | 40 DUNMORE CIR, O FALLON, MO 63368-8520 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Husband and Wife |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 30, 2024 · Amount on Record |
| Deed Sale | Dec 30, 2024 · Amount on Record |
| Prior Sale | Dec 6, 2024 · Amount on Record |
| Deed Document Number | 202454366 |
| Prior Transfer Date | May 20, 2014 |
| Prior Transfer Doc | 0061891237 |
| Record Updated | Sep 20, 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 | $89,231 (-) | $469,636 (-) Building $469,636 | |
| 2025 | $5,808.00 (+18.41%) | $89,231 (+19.5%) | $469,636 (+19.5%) Building $469,636 |
| 2024 | $4,905.00 | ||
| 2023 | $74,673 | ||
| 2022 | $393,014 Land $55,000 Building $338,014 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| 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 80% of the US · lower than 84% of Missouri |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | Direct burnable vegetation |
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 323 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Gateway Fiber, i3 Broadband, Wisper ISP.
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