St. Louis County property record for 913 Trianon Ln, Ballwin, MO 63011
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 1,275 sqft · built 1964 |
| Lot Size | 0.192 acres (8,398 sqft) |
| Owner | Owner Name on Record |
| Last Sale | $118,000 (Feb 2010) |
| Tax Bill | $2,934 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 21Q-2-1-012-7 |
| Primary APN | 21Q-2-1-012-7 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Half Baths | 1 Half Bath |
| Plumbing Fixtures | 10 Plumbing Fixtures |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,275 sqft Living Area |
| 1st Floor Area | 975 sqft |
| Game Room | Game Room |
| Year Built | Built 1964 |
|---|---|
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Foundation Type | Raised |
| Lot Area | 8,398 sqft (0.192 acres) |
| Lot Dimensions | 109 ft deep x 64 ft wide |
| Terrain | Above Road/Slope |
| Porch | Open Porch |
| Porch Area | 15 sqft |
| Patio Area | 276 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 913 TRIANON LN |
|---|---|
| City | BALLWIN |
| State | MO |
| Zip | 63011-4132 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | NU |
| Legal Description | PIERREMONT PLAT 5 |
| Legal Subdivision | PIERREMONT PLAT 5 |
| Legal Lot Number | 23 |
| Jurisdiction | ST LOUIS MO |
| Township / Civil Division | MISSOURI RIVER |
| Census Block Group | 4 |
| Census Block | 4007 |
| Census Tract | 217702 |
Source: St. Louis County records, as of February 5, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Owner Name on Record |
|---|---|
| Mailing Address | 911 TRIANON LN, BALLWIN, MO 63011-4132 |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 23, 2010 · Amount on Record |
| Deed Sale | Feb 23, 2010 · Amount on Record |
| Prior Sale | Sep 19, 1997 |
| Deed Document Number | 2010022300738 |
| Deed Book / Page | 18803 / 1567 |
| Record Updated | Jun 8, 2026 |
Source: St. Louis County assessment roll, as of May 31, 2025
| 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 |
|---|---|---|---|
| 2025 | $49,650 (+10.26%) Land $22,630 Building $27,020 | $261,300 (+10.25%) Land $119,100 Building $142,200 | |
| 2024 | $2,934.00 (-0.91%) | ||
| 2023 | $2,961.00 (+14.02%) | $45,030 (+23.23%) Land $16,130 Building $28,900 | $237,000 (+23.24%) Land $84,900 Building $152,100 |
| 2022 | $2,597.00 | $36,540 Land $19,040 Building $17,500 | |
| 2021 | $192,300 Land $100,200 Building $92,100 |
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.
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 |
|---|---|
| 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 99.1% of the US · lower than 98.2% 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 429 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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