Warren County property record for 20249 Mertens Rd, Warrenton, MO 63383
| Property Type | Rural Home |
|---|---|
| Details | 2 ba · 1,664 sqft · built 1974 |
| Lot Size | 108 acres (4,727,131 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $1,715 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 10-17.0-0-00-009.000.000 |
| Primary APN | 10-17.0-0-00-009.000.000 |
|---|
| Full Baths | 2 Baths |
|---|---|
| Stories | 1 Story |
| Building Area | 1,664 sqft Living Area |
| Basement Area | 1,664 sqft |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 1974 |
| Exterior Material | Brick |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 4,727,131 sqft (108 acres) |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 2 Parking Spaces |
| Porch | Slab |
|---|---|
| Porch Area | 224 sqft |
| Patio Area | 448 sqft |
| Shed | 1 Shed |
| Lean-To | 460 sqft |
| Utility Building | 616 sqft |
| Total Buildings | 2 Buildings |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Street Address | 20249 MERTENS RD |
|---|---|
| City | WARRENTON |
| State | MO |
| Zip | 63383-6966 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Rural Home |
| Legal Description | NE1/4 SW1/4 & SE1/4 NW1/4 PT SW1/4 NE1/4 SEC 17 T46N R2W |
| Legal Range | 02W |
| Legal Township | 46N |
| Legal Section | 17 |
| Jurisdiction | WARREN MO |
| Township / Civil Division | CHARRETTE |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 820203 |
Source: Warren County records, as of March 23, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 17908 WALNUT CRST, MARTHASVILLE, MO 63357-2156 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 6, 2008 |
| Deed Sale | Oct 6, 2008 |
| Deed Document Number | 20086254 |
| Last Transfer Date | Apr 29, 2022 |
| Transfer Doc | 0000003130 |
| Record Updated | Sep 20, 2026 |
Source: Warren County assessment roll, as of February 9, 2026
| Type | Name |
|---|---|
| State | Missouri |
| County | Warren County |
| Unified School District | Warren County R-III School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,715.00 | $28,687 (+11.67%) Land $5,222 Building $23,465 | $159,060 (+11.01%) Land $34,860 Building $124,200 |
| 2024 | $1,715.00 (+14.03%) | $25,689 (-) Land $4,897 Building $20,792 | |
| 2023 | $1,504.00 (+7.35%) | $25,689 (+7.12%) Land $4,897 Building $20,792 | $143,281 (+6.69%) Land $33,152 Building $110,129 |
| 2022 | $1,401.00 | $23,981 Land $4,713 Building $19,268 | |
| 2021 | $134,292 Land $32,180 Building $102,112 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 | 5 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 | Moderate above 40% of the US · lower than 60% of Missouri |
|---|---|
| Wildfire Likelihood | 0.06% annual chance |
| Exposure | Direct burnable vegetation |
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 | MONTGOMERY CO PWSD 1 serves 3,850 people · EPA ID MO6024406 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | May 2024 |
| Lead | 2 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Sanitary survey deficiency not corrected Aug 2024 |
| Monitoring and Reporting | 4 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, as of December 31, 2025
5G (outdoors only) and 4G LTE
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