Warren County property record for 400 Warren Ave, Warrenton, MO 63383
| Property Type | Single Family Home |
|---|---|
| Details | 1 ba · 1,008 sqft · built 1961 |
| Lot Size | 0.242 acres (10,542 sqft) |
| Owner | Company Name on File |
| Tax Bill | $887 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 05-28.0-4-01-022.000.000 |
| Primary APN | 05-28.0-4-01-022.000.000 |
|---|
| Full Baths | 1 Bath |
|---|---|
| Stories | 1 Story |
| Building Area | 1,008 sqft Living Area |
| Basement Area | 1,008 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1961 |
|---|---|
| Exterior Material | Vinyl |
| Construction Type | Frame |
| Foundation Type | Concrete |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 10,542 sqft (0.242 acres) |
| Lot Dimensions | 120 ft deep x 88 ft wide |
| Garage Type | Attached |
| Garage Area | 432 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 76 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Street Address | 400 WARREN AVE |
|---|---|
| City | WARRENTON |
| State | MO |
| Zip | 63383-2213 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 1 PLAT 1 WARRENTON ACRES APPROX LOT SIZE 88' X 120' |
| Legal Subdivision | WARRENTON ACRES |
| Legal Lot Number | 1 |
| Jurisdiction | WARREN MO |
| Township / Civil Division | SOUTH ELKHORN |
| Census Block Group | 2 |
| Census Block | 2021 |
| Census Tract | 820107 |
400 Warren Ave is owned by a company that acquired it in May 2002.
Source: Warren County records, as of February 6, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 20 RUE DE PAIX, LAKE SAINT LOUIS, MO 63367-1435 |
| Owner Type | Company |
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 | Name on Deed |
|---|---|
| Last Sale | May 24, 2002 |
| Deed Sale | May 24, 2002 |
| Deed Document Number | 0001110128 |
| Record Updated | Jun 8, 2026 |
The 2025 property tax bill for 400 Warren Ave was $887.
Source: Warren County assessment roll, as of May 31, 2025
| Type | Name |
|---|---|
| State | Missouri |
| County | Warren County |
| Municipality | Warrenton City |
| Unified School District | Warren County R-III School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $887.00 | $13,851 (+13%) Land $3,061 Building $10,790 | $72,900 Land $16,110 Building $56,790 |
| 2024 | $887.00 (+14.75%) | $12,257 (-) Land $2,709 Building $9,548 | |
| 2023 | $773.00 (+7.96%) | $12,257 (+8%) Land $2,709 Building $9,548 | $64,508 Land $14,256 Building $50,252 |
| 2022 | $716.00 | $11,349 Land $2,508 Building $8,841 | |
| 2021 | $59,730 Land $13,200 Building $46,530 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 400 Warren Ave in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2019.
Source: FEMA National Flood Hazard Layer, effective November 4, 2009 · 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 |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 2 (2019–2021) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Jun 2021 · rainfall accumulation |
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 400 Warren Ave is low, with a 0.01% annual chance of wildfire.
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 | 0.01% annual chance |
| Exposure | Indirect 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 | WARRENTON PWS serves 8,208 people · EPA ID MO6010834 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Oct 2025 |
| Also Mapped Here | MONTGOMERY CO PWSD 1 |
| Lead | Under 1 ppb (2024–2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 187 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 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Brightspeed.
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