Jefferson County property record for 509 S 3rd St, De Soto, MO 63020
| Property Type | Single Family Home |
|---|---|
| Details | 1 ba · 748 sqft · built 1930 |
| Lot Size | 0.15 acres (6,532 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $65,000 (Nov 2015) |
| Tax Bill | $645 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 241.202.23029005 |
| Primary APN | 241.202.23029005 |
|---|
| Full Baths | 1 Bath |
|---|---|
| Stories | 1 Story |
| Building Area | 748 sqft Living Area |
| 1st Floor Area | 748 sqft |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1930 |
| Construction Type | Frame |
| Lot Area | 6,532 sqft (0.15 acres) |
| Lot Dimensions | 125 ft deep x 50 ft wide |
| Porch | Enclosed Frame Porch |
|---|---|
| Porch Area | 209 sqft |
| Deck Area | Deck Area |
| Patio Area | 288 sqft |
| Heating System | HVAC |
|---|
| Street Address | 509 S 3RD ST |
|---|---|
| City | DE SOTO |
| State | MO |
| Zip | 63020-2018 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CT1 |
| Legal Description | RAILROAD ADD LOTS 17 & 18 BLOCK 7 |
| Legal Range | 4E |
| Legal Township | 39N |
| Legal Section | 02 |
| Legal Subdivision | RAILROAD ADD |
| Legal Block | 7 |
| Legal Lot Number | 17,18 |
| Jurisdiction | JEFFERSON MO |
| Township / Civil Division | VALLE |
| Census Block Group | 4 |
| Census Block | 4059 |
| Census Tract | 701200 |
509 S 3rd St is owned and occupied by two individuals who bought it in November 2015.
Source: Jefferson County records, as of August 25, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 509 S 3RD ST, DE SOTO, MO 63020-2018 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Tenants by the Entirety |
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 | Nov 19, 2015 · Amount on File |
| Deed Sale | Nov 19, 2015 · Amount on File |
| Prior Sale | Aug 26, 2005 |
| Deed Document Number | 201537361 |
| Prior Transfer Date | Sep 29, 2015 |
| Prior Transfer Doc | 0000037361 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 509 S 3rd St was $645, up 0.6% from the year before.
Source: Jefferson County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | Missouri |
| County | Jefferson County |
| Municipality | De Soto City |
| Unified School District | De Soto 73 School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $10,600 (-) Land $1,100 Building $9,500 | $55,800 (-) Land $5,600 Building $50,200 | |
| 2025 | $645.00 (+0.62%) | $10,600 Land $1,100 Building $9,500 | $55,800 (-) Land $5,600 Building $50,200 |
| 2024 | $641.00 (+0.31%) | $55,800 (+6.08%) Land $5,600 Building $50,200 | |
| 2023 | $639.00 | $10,000 Land $1,100 Building $8,900 | $52,600 Land $5,600 Building $47,000 |
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 509 S 3rd St in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 1994.
Source: FEMA National Flood Hazard Layer, effective October 2, 2025 · 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 | 2 in force |
| Nearby Flood Claims | 3 (1994–2003) |
| Claims Outside the SFHA | 2 of 3 |
| Most Recent Claim | May 2003 · Severe Storms, Tornadoes, And Flooding |
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 509 S 3rd St is low, with a 0.01% 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 | 0.01% annual chance |
| Exposure | None beyond 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 | DESOTO PWS serves 6,400 people · EPA ID MO6010213 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | May 2023 |
| Lead | 2 ppb (2023–2025) 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 174 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Wisper ISP Fixed Wireless | 400 / 30 |
| Verizon Fixed Wireless | 300 / 20 |
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