Warren County property record for 17719 Walnut Crst, Marthasville, MO 63357 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 2 ba · 1,814 sqft · built 1986 |
| Lot Size | 5.07 acres (220,849 sqft) |
| Owner | Company Name on File |
| Tax Bill | $1,636 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 12-18.0-0-00-016.000.000 |
| Primary APN | 12-18.0-0-00-016.000.000 |
|---|
| Full Baths | 2 Baths |
|---|---|
| Stories | 1 Story |
| Building Area | 1,814 sqft Living Area |
| Attic | Attic |
| Attic Area | 470 sqft |
| Basement Area | 1,344 sqft |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1986 |
| Exterior Material | Wood |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 220,849 sqft (5.07 acres) |
| Deck Area | 200 sqft |
| Utility Building | 576 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Street Address | 17719 WALNUT CRST |
|---|---|
| City | MARTHASVILLE |
| State | MO |
| Zip | 63357-2153 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 23 WALNUT CREST SEC 18 TWP 45 RNG 1 |
| Legal Range | 01W |
| Legal Township | 45N |
| Legal Section | 18 |
| Legal Subdivision | WALNUT CREST |
| Legal Lot Number | 23 |
| Jurisdiction | WARREN MO |
| Township / Civil Division | CHARRETTE |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 820204 |
Source: Warren County records · APN 12-18.0-0-00-016.000.000
Assessment roll updated February 9, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 17719 WALNUT CRST, MARTHASVILLE, MO 63357-2153 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Jun 14, 2006 |
| Transfer Doc | 200607918 |
| Record Updated | Sep 20, 2026 |
Source: Warren County records · Assessment roll updated February 9, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | Missouri |
| County | Warren County |
| Unified School District | Washington School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,636.00 | $27,649 (+13%) Land $4,074 Building $23,575 | $145,520 (+13%) Land $21,440 Building $124,080 |
| 2024 | $1,636.00 (+8.78%) | $24,468 (-) Land $3,605 Building $20,863 | |
| 2023 | $1,504.00 (+7.43%) | $24,468 (+8%) Land $3,605 Building $20,863 | $128,780 (+8%) Land $18,976 Building $109,804 |
| 2022 | $1,400.00 | $22,655 Land $3,338 Building $19,317 | |
| 2021 | $119,240 Land $17,570 Building $101,670 |
Source: FEMA National Flood Hazard Layer, Warren County (29219C), updated November 4, 2009 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 292198202041, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Policies | 6 in force |
| Wildfire Risk | Moderate above 40% of the US · above 39% of Missouri |
|---|---|
| Wildfire Likelihood | About 1 in 1,429 per year |
| Exposure | Direct burnable vegetation at the parcel |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 19 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Gateway Fiber Holdings | Fiber | 2,000 / 2,000 |
| Verizon | Fixed Wireless | 300 / 20 |
May also be available at this address: T-Mobile USA, Wisper ISP. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE (outdoors only)
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