St. Louis County property record for 502 Thornlea Ct, Ballwin, MO 63011
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,234 sqft · built 1967 |
| Lot Size | 0.296 acres (12,881 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $134,000 (Jan 2002) |
| Tax Bill | $3,356 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 22Q-62-0183 |
| Primary APN | 22Q-62-0183 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Plumbing Fixtures | 10 Plumbing Fixtures |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,234 sqft Living Area |
| Gross Area | 1,298 sqft |
| 1st Floor Area | 1,173 sqft |
| Game Room | Game Room |
| Year Built | Built 1967 |
|---|---|
| Effective Year Built | Effective 1967 |
| Architectural Style | Raised Ranch |
| Exterior Material | Aluminum/Vinyl |
| Foundation Type | Raised |
| Lot Area | 12,881 sqft (0.296 acres) |
| Lot Dimensions | 131 ft deep x 56 ft wide |
| View / Lot | Cul-De-Sac |
| Garage Type | Basement |
| Parking Spaces | 1 Parking Space |
| Porch | Stoop |
|---|---|
| Deck Area | 224 sqft |
| Patio Area | 288 sqft |
| Balcony Area | 45 sqft |
| Poultry House | 16 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 502 THORNLEA CT |
|---|---|
| City | BALLWIN |
| State | MO |
| Zip | 63011-4406 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | FPR3 |
| Legal Description | LONGWOOD ESTATES LOT 42 |
| Legal Subdivision | LONGWOOD ESTATES |
| Legal Lot Number | 42 |
| Jurisdiction | ST LOUIS MO |
| Township / Civil Division | MISSOURI RIVER |
| Census Block Group | 4 |
| Census Block | 4012 |
| Census Tract | 217702 |
502 Thornlea Ct is owned by two individuals who bought it in January 2002.
Source: St. Louis County records, as of September 29, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1805 SPRING MILL CRK, SAINT CHARLES, MO 63303-1333 |
| Owner Type | Individual |
| Vesting | Tenants by the Entirety |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 22, 2002 · Amount on File |
| Deed Sale | Jan 22, 2002 · Amount on File |
| Prior Sale | Jan 8, 2002 · Amount on File |
| Deed Document Number | 2002654 |
| Deed Book / Page | 13564 / 913 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 502 Thornlea Ct was $3,356, up 6.8% from the year before.
Source: St. Louis County assessment roll, as of September 29, 2026
| Type | Name |
|---|---|
| State | Missouri |
| County | St. Louis County |
| Unified School District | Parkway C-2 School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $54,570 (-) Land $25,520 Building $29,050 | $287,200 (-) Land $134,300 Building $152,900 | |
| 2025 | $3,356.00 (+6.84%) | $54,570 Land $25,520 Building $29,050 | $287,200 Land $134,300 Building $152,900 |
| 2024 | $3,141.00 (-0.91%) | ||
| 2023 | $3,170.00 (+11.82%) | $48,240 (+20.9%) Land $18,200 Building $30,040 | $253,900 Land $95,800 Building $158,100 |
| 2022 | $2,835.00 | $39,900 Land $20,520 Building $19,380 | |
| 2021 | $210,000 Land $108,000 Building $102,000 |
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 502 Thornlea Ct in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective August 10, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 12 (1983–2020) |
| Claims Outside the SFHA | 3 of 12 |
| Most Recent Claim | Aug 2020 · river or lake 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 502 Thornlea Ct is low, with less than 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 97% of the US · lower than 95% of Missouri |
|---|---|
| Wildfire Likelihood | Under 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 | MO AMERICAN ST LOUIS ST CHARLES COUNTIES private · serves 1,111,000 people · EPA ID MO6010716 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Feb 2024 |
| Lead | Under 1 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.
Source: FCC Broadband Data Collection, based on 118 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
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