St. Charles County property record for 434 Mossy Brook Dr, O Fallon, MO 63366
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,728 sqft · built 2021 |
| Lot Size | 0.233 acres (10,149 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $687,533 (Jun 2022) |
| Tax Bill | $9,236 (2025) |
| Deeds & Mortgages | Jun 2022 Mortgage |
| Flood Zone | Zone AE (high risk) |
| APN | T220300098 |
| Primary APN | T220300098 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,728 sqft Living Area |
| Gross Area | 5,456 sqft |
| 1st Floor Area | 2,728 sqft |
| Basement Area | 2,728 sqft |
| Year Built | Built 2021 |
|---|---|
| Effective Year Built | Effective 2021 |
| Architectural Style | Ranch |
| Exterior Material | Brick |
| Lot Area | 10,149 sqft (0.233 acres) |
| Parking Spaces | 3 Parking Spaces |
| Account Number | T220300098 |
|---|---|
| Street Address | 434 MOSSY BROOK DR |
| City | O FALLON |
| State | MO |
| Zip | 63366-5053 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | BROOKSIDE ADDN #1 LOT 3 |
| Legal Subdivision | BROOKSIDE ADDN #1 |
| Legal Lot Number | 3 |
| Jurisdiction | ST CHARLES MO |
| Township / Civil Division | WENTZVILLE |
| Census Block Group | 2 |
| Census Block | 2010 |
| Census Tract | 312095 |
434 Mossy Brook Dr is owned and occupied by two individuals who acquired it in June 2025.
Source: St. Charles County records, as of September 10, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 434 MOSSY BROOK DR, O FALLON, MO 63366-5053 |
| 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 | Jun 30, 2022 · Amount on File |
| Deed Sale | Jun 30, 2022 · Amount on File |
| Deed Document Number | 202236547 |
| Last Transfer Date | Jun 16, 2025 |
| Transfer Doc | 0000025409 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | ST CHARLES MO |
| Recording Date | Jun 30, 2022 |
| Property Address | 434 MOSSY BROOK DR, O FALLON, MO 63366-5053 |
| Document Number | 0000036547 |
| Map Reference | DOC 2021R-081188 |
| Instrument Date | Jun 30, 2022 |
| Instrument | 2022R-036547 |
| Transaction Type | Subdivision Related Transfer |
| Record Updated | Jan 17, 2024 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 4 RESEARCH PARK DR # DR130, DR130, SAINT CHARLES, MO 63304-5638 |
| Name | Verified Name |
|---|---|
| Address | 434 MOSSY BROOK DR, O FALLON, MO 63366-5053 |
| Document Number | 0000036548 |
|---|---|
| Date | Jun 30, 2022 |
| Instrument | 2022R-036548 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jul 1, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.75% |
| Type Change Date | Jul 1, 2029 |
| Change Frequency | Monthly |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 7.75% |
| Index | Other |
| Max Rate | 7.75% |
The 2025 property tax bill for 434 Mossy Brook Dr was $9,236.
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 | $148,837 (-) | $783,354 (-) Land $73,500 Building $709,854 | |
| 2025 | $9,236.00 | $148,837 | $783,354 Land $73,500 Building $709,854 |
| 2023 | $130,631 | ||
| 2022 | $687,533 Land $52,500 Building $635,033 |
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 434 Mossy Brook Dr in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective August 25, 2024 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| 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.
Wildfire risk around 434 Mossy Brook Dr is low, with a 0.04% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 65% of the US · lower than 75% of Missouri |
|---|---|
| Wildfire Likelihood | 0.04% 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.
5G (outdoors only) and 4G LTE
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