Warren County property record for 20133 Mertens Ct, Warrenton, MO 63383
| Property Type | Rural Home |
|---|---|
| Details | 1 ba · 1,580 sqft · built 1978 |
| Lot Size | 10.1 acres (441,698 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $437,171 (Dec 2024) |
| Tax Bill | $2,020 (2025) |
| Deeds & Mortgages | Dec 2024 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 10-17.0-0-00-005.000.000 |
| Primary APN | 10-17.0-0-00-005.000.000 |
|---|
| Full Baths | 1 Bath |
|---|---|
| Stories | 1 Story |
| Building Area | 1,580 sqft Living Area |
| Basement Area | 1,580 sqft |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1978 |
| Exterior Material | Brick |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 441,698 sqft (10.1 acres) |
| Garage Type | Attached |
| Garage Area | 624 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Slab |
|---|---|
| Porch Area | 180 sqft |
| Deck Area | 570 sqft |
| Utility Building | 288 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Street Address | 20133 MERTENS CT |
|---|---|
| City | WARRENTON |
| State | MO |
| Zip | 63383-6958 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Rural Home |
| Legal Description | SEC 17 TWP 46 N R 2 WST N PT NW1/4 NE1/4 |
| 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 |
20133 Mertens Ct, a rural home, is owned and occupied by two individuals who bought it in December 2024.
Source: Warren County records, as of February 9, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 20133 MERTENS CT, WARRENTON, MO 63383-6958 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Married Couple |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Dec 19, 2024 · Amount on File |
| Deed Sale | Dec 19, 2024 · Amount on File |
| Prior Sale | Dec 19, 2024 |
| Deed Document Number | 20246727 |
| Prior Transfer Date | Dec 6, 2024 |
| Prior Transfer Doc | 0202406726 |
| Record Updated | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | WARREN MO |
| Recording Date | Dec 19, 2024 |
| Property Address | 20133 MERTENS CT, WARRENTON, MO 63383-6958 |
| Document Number | 0202406727 |
| Instrument Date | Dec 13, 2024 |
| Instrument | 202406727 |
| Transaction Type | Transfer |
| Record Updated | Apr 3, 2026 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 20133 MERTENS CT, WARRENTON, MO 63383-6958 |
| Document Number | 0202406728 |
|---|---|
| Date | Dec 19, 2024 |
| Instrument | 202406728 |
| Name | JLB CORP |
|---|
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jan 1, 2055 |
The 2025 property tax bill for 20133 Mertens Ct was $2,020.
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 | $2,020.00 | $33,771 (+12.36%) Land $4,712 Building $29,059 | $182,350 Land $28,550 Building $153,800 |
| 2024 | $2,020.00 (+14.77%) | $30,057 (-) Land $4,310 Building $25,747 | |
| 2023 | $1,760.00 (+7.78%) | $30,057 (+7.57%) Land $4,310 Building $25,747 | $162,804 Land $26,434 Building $136,370 |
| 2022 | $1,633.00 | $27,943 Land $4,082 Building $23,861 | |
| 2021 | $151,670 Land $25,230 Building $126,440 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
FEMA maps place 20133 Mertens Ct 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 | 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.
Wildfire risk around 20133 Mertens Ct is moderate, ranking above 40% of the US, with a 0.05% annual chance of wildfire.
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 | 0.05% 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, based on 10 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Starlink Satellite | 280 / 30 |
5G and 4G LTE (outdoors only)
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