St. Charles County property record for 439 Mossy Brook Dr, O Fallon, MO 63366
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 3,098 sqft · built 2024 |
| Lot Size | 0.272 acres (11,827 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $732,406 (Sep 2024) |
| Tax Bill | $8,638 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | T220300119 |
| Primary APN | T220300119 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 3,098 sqft Living Area |
| Gross Area | 4,688 sqft |
| Basement Area | 1,590 sqft |
| Year Built | Built 2024 |
|---|---|
| Effective Year Built | Effective 2024 |
| Architectural Style | Bi-Level |
| Exterior Material | Stone |
| Lot Area | 11,827 sqft (0.272 acres) |
| Parking Spaces | 3 Parking Spaces |
| Account Number | T220300119 |
|---|---|
| Street Address | 439 MOSSY BROOK DR |
| City | O FALLON |
| State | MO |
| Zip | 63366-5071 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | BROOKSIDE ADDN #1 LOT 85 |
| Legal Subdivision | BROOKSIDE ADDN #1 |
| Legal Lot Number | 85 |
| Jurisdiction | ST CHARLES MO |
| Township / Civil Division | WENTZVILLE |
| Census Block Group | 2 |
| Census Block | 2010 |
| Census Tract | 312095 |
Source: St. Charles County records, as of September 10, 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 | 439 MOSSY BROOK DR, O FALLON, MO 63366-5071 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Married Couple |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 30, 2024 · Amount on Record |
| Deed Sale | Sep 30, 2024 · Amount on Record |
| Deed Document Number | 202439947 |
| 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 | $139,157 (-) | $732,406 (-) Land $73,500 Building $658,906 | |
| 2025 | $8,638.00 | $139,157 (+1,295.06%) | $732,406 (+1,295.06%) Land $73,500 Building $658,906 |
| 2023 | $9,975 | ||
| 2022 | $52,500 Land $52,500 |
Assessed value is set for property tax purposes, not a market price estimate; it is 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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 2 (2019–2022) |
| Most Recent Claim | Jul 2022 · Severe Storms And Flooding |
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 | Low lower than 64% of the US · lower than 72% of Missouri |
|---|---|
| Wildfire Likelihood | 0.05% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 52 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Brightspeed, Verizon, Wisper ISP.
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