St. Charles County property record for 509 Mona Dr, O Fallon, MO 63366
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 864 sqft · built 1964 |
| Lot Size | 0.225 acres (9,831 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $105,000 (Apr 2002) |
| Flood Zone | Zone X (minimal risk) |
| APN | 224640A000 |
| Primary APN | 224640A000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 864 sqft Living Area |
| 1st Floor Area | 864 sqft |
| Basement Area | 864 sqft |
| Year Built | Built 1964 |
|---|---|
| Architectural Style | Ranch |
| Exterior Material | Wood |
| Lot Area | 9,831 sqft (0.225 acres) |
| Lot Dimensions | 113 ft deep x 87 ft wide |
| Garage Type | Attached |
| Garage Area | 528 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 64 sqft |
| Patio Area | 356 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air |
| Sewer | Connected |
| Account Number | 224640A000 |
|---|---|
| Old Parcel Number | 224640A000 |
| Street Address | 509 MONA DR |
| City | O FALLON |
| State | MO |
| Zip | 63366-1759 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | AE9 |
| Legal Description | FOREST PK ADDN #2 LOT 92 |
| Legal Range | 03E |
| Legal Township | 47N |
| Legal Subdivision | FOREST PK ADDN #2 |
| Legal Lot Number | 92 |
| Jurisdiction | ST CHARLES MO |
| Township / Civil Division | O'FALLON |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 311602 |
Source: St. Charles County records, as of October 19, 2023
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 | 509 MONA DR, O FALLON, MO 63366-1759 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 26, 2002 · Amount on Record |
| Deed Sale | Apr 26, 2002 · Amount on Record |
| Prior Sale | Aug 6, 2001 |
| Deed Document Number | 0002877413 |
| Deed Book / Page | 2709 / 856 |
| Prior Transfer Date | Nov 8, 2001 |
| Prior Transfer Doc | 97973 |
| Record Updated | Jun 7, 2026 |
Source: St. Charles County assessment roll, as of July 1, 2023
| Type | Name |
|---|---|
| State | Missouri |
| County | St. Charles County |
| Municipality | O'Fallon City |
| Unified School District | Fort Zumwalt R-II School District (PK - 12) |
| Year | Assessed Value | Assessed Market Value |
|---|---|---|
| 2023 | $32,107 | |
| 2022 | $168,983 Land $40,000 Building $128,983 |
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 · 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 | 1 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 555 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 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Verizon, Wisper ISP.
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