Warren County property record for 505 E Main St, Marthasville, MO 63357
| Property Type | Single Family Home |
|---|---|
| Details | 1 ba · 1,857 sqft · built 1963 |
| Lot Size | 0.567 acres (24,699 sqft) |
| Owner | Individual Name on File |
| Last Sale | $187,355 (May 2024) |
| Tax Bill | $1,944 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 12-29.0-2-20-008.000.000 |
| Primary APN | 12-29.0-2-20-008.000.000 |
|---|
| Full Baths | 1 Bath |
|---|---|
| Stories | 1 Story |
| Building Area | 1,857 sqft Living Area |
| Basement Area | 1,857 sqft |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1963 |
|---|---|
| Effective Year Built | Effective 1963 |
| Exterior Material | Wood |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asbestos |
| Lot Area | 24,699 sqft (0.567 acres) |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 3 Parking Spaces |
| Porch | Slab |
|---|---|
| Porch Area | 84 sqft |
| Patio Area | 225 sqft |
| Shed | 1 Shed |
| Shed Area | 250 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Street Address | 505 E MAIN ST |
|---|---|
| City | MARTHASVILLE |
| State | MO |
| Zip | 63357-1317 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | US SURVEY 1688 TWP 45 N R 1 W LOT 67&68 |
| Legal Range | 01W |
| Legal Township | 45N |
| Legal Section | 29 |
| Legal Subdivision | US SURVEY 1688 |
| Legal Lot Number | 67-68 |
| Jurisdiction | WARREN MO |
| Township / Civil Division | CHARRETTE |
| Census Block Group | 1 |
| Census Block | 1020 |
| Census Tract | 820204 |
505 E Main St is owned and occupied by an individual who bought it in May 2024.
Source: Warren County records, as of July 21, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 505 E MAIN ST, MARTHASVILLE, MO 63357-1317 |
| 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 | Name on Deed |
|---|---|
| Last Sale | May 9, 2024 · Amount on File |
| Deed Sale | May 9, 2024 · Amount on File |
| Deed Document Number | 20242215 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 505 E Main St was $1,944.
Source: Warren County assessment roll, as of February 9, 2026
| Type | Name |
|---|---|
| State | Missouri |
| County | Warren County |
| Municipality | Marthasville City |
| Unified School District | Washington School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,944.00 | $29,498 (+13%) Land $2,968 Building $26,530 | $155,250 Land $15,620 Building $139,630 |
| 2024 | $1,944.00 (+8.6%) | $26,104 (-) Land $2,627 Building $23,477 | |
| 2023 | $1,790.00 (+7.51%) | $26,104 (+8%) Land $2,627 Building $23,477 | $137,387 Land $13,824 Building $123,563 |
| 2022 | $1,665.00 | $24,170 Land $2,432 Building $21,738 | |
| 2021 | $127,210 Land $12,800 Building $114,410 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 505 E Main St in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 505 E Main St is low, with a 0.02% 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 | 0.02% 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 | MARTHASVILLE PWS serves 1,200 people · EPA ID MO6010505 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Feb 2025 |
| Also Mapped Here | ST CHARLES COUNTY PWSD 2 DUTZOW |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | No certified operator currently in violation since Jun 2026 |
| 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 109 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Gateway Fiber Fiber | 2,000 / 2,000 |
| Sparklight Cable | 1,000 / 50 |
| Wisper ISP Fixed Wireless | 400 / 30 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: AT&T, T-Mobile.
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