Warren County property record for 17839 Walnut Crst, Marthasville, MO 63357
| Property Type | Rural Home |
|---|---|
| Details | 3 ba · 1,964 sqft · built 1990 |
| Lot Size | 4.84 acres (210,830 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $2,177 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 12-18.0-0-00-011.000.000 |
| Primary APN | 12-18.0-0-00-011.000.000 |
|---|
| Full Baths | 3 Baths |
|---|---|
| Stories | 1 Story |
| Building Area | 1,964 sqft Living Area |
| Attic | Attic |
| Attic Area | 209 sqft |
| Basement Area | 837 sqft |
| Interior Walls | Log |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1990 |
|---|---|
| Architectural Style | Log Home |
| Exterior Material | Logs |
| Construction Type | Log |
| Foundation Type | Concrete |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 210,830 sqft (4.84 acres) |
| Porch | Open Porch |
|---|---|
| Porch Area | 216 sqft |
| Deck Area | 160 sqft |
| Patio Area | 64 sqft |
| Gazebo | Gazebo |
| Pole Barn | 240 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Street Address | 17839 WALNUT CRST |
|---|---|
| City | MARTHASVILLE |
| State | MO |
| Zip | 63357-2155 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Rural Home |
| Legal Description | LOT 25 WALNUT CREST SEC 18 TWP 45 RNG 1 |
| Legal Subdivision | WALNUT CREST |
| Legal Lot Number | 25 |
| Jurisdiction | WARREN MO |
| Township / Civil Division | CHARRETTE |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 820204 |
Source: Warren County records, as of February 6, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 17839 WALNUT CRST, MARTHASVILLE, MO 63357-2155 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 16, 2021 |
| Deed Sale | Aug 16, 2021 |
| Deed Document Number | 202107449 |
| Record Updated | Jun 8, 2026 |
Source: Warren County assessment roll, as of May 31, 2025
| Type | Name |
|---|---|
| State | Missouri |
| County | Warren County |
| Unified School District | Washington School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $2,177.00 (+8.04%) | $36,805 (+12.57%) Land $3,509 Building $33,296 | $197,090 (+12.32%) Land $18,530 Building $178,560 |
| 2024 | $2,015.00 (+0.25%) | $32,696 (-) Land $3,107 Building $29,589 | |
| 2023 | $2,010.00 (+7.14%) | $32,696 (+7.7%) Land $3,107 Building $29,589 | $175,468 (+7.55%) Land $16,414 Building $159,054 |
| 2022 | $1,876.00 | $30,357 Land $2,879 Building $27,478 | |
| 2021 | $163,150 Land $15,210 Building $147,940 |
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 | 6 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 43% of the US · above 47% 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 | ST CHARLES COUNTY PWSD 2 DUTZOW serves 400 people · EPA ID MO6024628 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Apr 2023 |
| Lead | 4 ppb (2021–2023) 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.
Source: FCC Broadband Data Collection, based on 8 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Gateway Fiber Fiber | 2,000 / 2,000 |
5G and 4G LTE (outdoors only)
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