Warren County property record for 18851 Spring Valley Dr, Marthasville, MO 63357
| Property Type | Rural Home |
|---|---|
| Details | 2 ba · 1,600 sqft · built 2003 |
| Lot Size | 6.01 acres (261,796 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $2,134 (2025) |
| Deeds & Mortgages | Jul 2022 Sale Sep 2019 Refinance |
| Flood Zone | Zone X (minimal risk) |
| APN | 12-18.0-0-00-003.012.000 |
| Primary APN | 12-18.0-0-00-003.012.000 |
|---|
| Full Baths | 2 Baths |
|---|---|
| Stories | 1 Story |
| Building Area | 1,600 sqft Living Area |
| Basement Area | 1,600 sqft |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2003 |
| Exterior Material | Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 261,796 sqft (6.01 acres) |
| Garage Type | Attached |
| Garage Area | 576 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Slab |
|---|---|
| Porch Area | 60 sqft |
| Deck Area | 105 sqft |
| Patio Area | 144 sqft |
| Utility Building | 384 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Street Address | 18851 SPRING VALLEY DR |
|---|---|
| City | MARTHASVILLE |
| State | MO |
| Zip | 63357-2540 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Rural Home |
| Legal Description | PT NW1/4 SEC 18 T45N R1W |
| Legal Range | 01W |
| Legal Township | 45N |
| Legal Section | 18 |
| Jurisdiction | WARREN MO |
| Township / Civil Division | CHARRETTE |
| Census Block Group | 3 |
| Census Block | 3027 |
| Census Tract | 820203 |
18851 Spring Valley Dr, a rural home, is owned and occupied by two individuals who acquired it in July 2022.
Source: Warren County records, as of February 9, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 18851 SPRING VALLEY DR, MARTHASVILLE, MO 63357-2540 |
| 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.
| Date | Document |
|---|---|
| Jul 29, 2022 | Deed, Transfer |
| Sep 20, 2019 | Deed of Trust, Mortgage · Stand-Alone Refinance BANK OF FRANKLIN COUNTY |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jul 27, 2022 |
| Transfer Doc | 0202205295 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | WARREN MO |
| Recording Date | Jul 29, 2022 |
| Property Address | 18851 SPRING VALLEY DR, MARTHASVILLE, MO 63357-2540 |
| Document Number | 0202205295 |
| Instrument Date | Jul 27, 2022 |
| Instrument | 202205295 |
| Transaction Type | Transfer |
| Record Updated | Feb 14, 2023 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Common |
| Address | 18851 SPRING VALLEY DR, MARTHASVILLE, MO 63357-2540 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WARREN MO |
| Property Address | 18851 SPRING VALLEY DR, MARTHASVILLE, MO 63357-2540 |
| Transaction Type | Mortgage |
| Record Updated | Apr 13, 2021 |
| Name | Verified Name |
|---|
| Document Number | 201905787 |
|---|---|
| Date | Sep 20, 2019 |
| Instrument | 201905787 |
| Name | BANK OF FRANKLIN COUNTY |
|---|
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 241 Months |
| Due | Oct 1, 2039 |
The 2025 property tax bill for 18851 Spring Valley Dr was $2,134.
Source: Warren County assessment roll, as of February 9, 2026
| Type | Name |
|---|---|
| State | Missouri |
| County | Warren County |
| Unified School District | Washington School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $2,134.00 | $36,077 (+12.99%) Land $5,284 Building $30,793 | $189,880 Land $27,810 Building $162,070 |
| 2024 | $2,134.00 (+8.71%) | $31,928 (-) Land $4,677 Building $27,251 | |
| 2023 | $1,963.00 (+7.44%) | $31,928 (+8%) Land $4,677 Building $27,251 | $168,037 Land $24,613 Building $143,424 |
| 2022 | $1,827.00 | $29,562 Land $4,330 Building $25,232 | |
| 2021 | $155,590 Land $22,790 Building $132,800 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 18851 Spring Valley Dr 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 18851 Spring Valley Dr is moderate, ranking above 42% of the US, with a 0.07% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 42% of the US · above 45% of Missouri |
|---|---|
| Wildfire Likelihood | 0.07% 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 WARREN serves 1,192 people · EPA ID MO6024629 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Aug 2023 |
| Lead | 1 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 15 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
| Brightspeed DSL | 100 / 10 |
May also be available: AT&T, BlueBit Networks, Gateway Fiber, Wisper ISP.
5G and 4G LTE (outdoors only)
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