St. Louis County property record for 503 Thornlea Ct, Ballwin, MO 63011
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,234 sqft · built 1967 |
| Lot Size | 0.218 acres (9,514 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $3,206 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 22Q-61-0306 |
| Primary APN | 22Q-61-0306 |
|---|
| 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 |
| 1st Floor Area | 1,165 sqft |
| Family Room | Family Room |
| Game Room | Game Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1967 |
|---|---|
| Effective Year Built | Effective 1967 |
| Architectural Style | Raised Ranch |
| Exterior Material | Aluminum/Vinyl |
| Foundation Type | Raised |
| Lot Area | 9,514 sqft (0.218 acres) |
| Lot Dimensions | 124 ft deep x 62 ft wide |
| View / Lot | Cul-De-Sac |
| Garage Type | Basement |
| Parking Spaces | 1 Parking Space |
| Porch | Open Frame Porch |
|---|---|
| Porch Area | 96 sqft |
| Deck Area | 60 sqft |
| Patio Area | 612 sqft |
| Balcony Area | 45 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 503 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 45 |
| Legal Subdivision | LONGWOOD ESTATES |
| Legal Lot Number | 45 |
| Jurisdiction | ST LOUIS MO |
| Township / Civil Division | MISSOURI RIVER |
| Census Block Group | 4 |
| Census Block | 4012 |
| Census Tract | 217702 |
Source: St. Louis County records, as of September 29, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 1223 HAVENHURST RD, BALLWIN, MO 63011-4402 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 19, 2018 |
| Deed Sale | Nov 19, 2018 |
| Prior Sale | Jun 21, 2001 · Amount on Record |
| Deed Document Number | 2018670 |
| Deed Book / Page | 23286 / 3628 |
| Prior Transfer Date | Nov 16, 2018 |
| Prior Transfer Doc | 02328603628 |
| Record Updated | Oct 29, 2026 |
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 | $52,120 (-) Land $22,670 Building $29,450 | $274,300 (-) Land $119,300 Building $155,000 | |
| 2025 | $3,206.00 (+3.39%) | $52,120 (+9.45%) Land $22,670 Building $29,450 | $274,300 (+9.46%) Land $119,300 Building $155,000 |
| 2024 | $3,101.00 (-0.89%) | ||
| 2023 | $3,129.00 (+14.24%) | $47,620 (+23.56%) Land $16,170 Building $31,450 | $250,600 (+23.57%) Land $85,100 Building $165,500 |
| 2022 | $2,739.00 | $38,540 Land $18,700 Building $19,840 | |
| 2021 | $202,800 Land $98,400 Building $104,400 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective August 10, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 94% of Missouri |
|---|---|
| Wildfire Likelihood | Under 0.01% 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 | 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 382 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
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