St. Charles County property record for 604 Saint Joseph Ave, O Fallon, MO 63366
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,066 sqft · built 1966 |
| Lot Size | 0.215 acres (9,360 sqft) |
| Owner | 2 Individual Names on File |
| Flood Zone | Zone X (minimal risk) |
| APN | 228900A000 |
| Primary APN | 228900A000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,066 sqft Living Area |
| Gross Area | 2,132 sqft |
| 1st Floor Area | 1,066 sqft |
| Basement Area | 1,066 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1966 |
|---|---|
| Effective Year Built | Effective 1966 |
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 9,360 sqft (0.215 acres) |
| Lot Dimensions | 120 ft deep x 78 ft wide |
| Garage Type | Carport |
| Garage Area | 286 sqft |
| Carport | Carport |
| Carport Area | 286 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Open Porch |
| Porch Area | 108 sqft |
| Patio Area | 209 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Connected |
| Account Number | 228900A000 |
|---|---|
| Street Address | 604 SAINT JOSEPH AVE |
| City | O FALLON |
| State | MO |
| Zip | 63366-1804 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | AE9 |
| Legal Description | FOREST PK ADDN #3 LOT 1 |
| Legal Subdivision | FOREST PK ADDN #3 |
| Legal Lot Number | 1 |
| Jurisdiction | ST CHARLES MO |
| Township / Civil Division | O'FALLON |
| Census Block Group | 4 |
| Census Block | 4004 |
| Census Tract | 311602 |
604 Saint Joseph Ave is owned and occupied by two individuals.
Source: St. Charles County records, as of August 7, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 604 SAINT JOSEPH AVE, O FALLON, MO 63366-1804 |
| 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 |
|---|---|
| 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 | Assessed Value | Assessed Market Value |
|---|---|---|
| 2026 | $37,572 | $197,746 Land $40,000 Building $157,746 |
| 2023 | $36,899 | |
| 2022 | $194,206 Land $40,000 Building $154,206 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 604 Saint Joseph Ave in Zone X, an area of minimal flood risk.
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.
The area around 604 Saint Joseph Ave has no burnable land within ember reach, so its wildfire risk is not rated.
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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