St. Louis County property record for 312 Portwind Pl, Ballwin, MO 63021
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,787 sqft · built 1967 |
| Lot Size | 0.287 acres (12,493 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $4,053 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 23R-21-0117 |
| Primary APN | 23R-21-0117 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Plumbing Fixtures | 10 Plumbing Fixtures |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,787 sqft Living Area |
| Gross Area | 2,271 sqft |
| 1st Floor Area | 1,771 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1967 |
|---|---|
| Effective Year Built | Effective 1967 |
| Architectural Style | Ranch |
| Exterior Material | Brick |
| Foundation Type | Raised |
| Lot Area | 12,493 sqft (0.287 acres) |
| Lot Dimensions | 147 ft deep x 85 ft wide |
| Garage Type | Attached |
| Garage Area | 484 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Frame Porch |
|---|---|
| Porch Area | 162 sqft |
| Deck Area | 336 sqft |
| Patio Area | 180 sqft |
| Balcony Area | 16 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 312 PORTWIND PL |
|---|---|
| City | BALLWIN |
| State | MO |
| Zip | 63021-5060 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 93R-2 |
| Legal Description | ROYAL PARK ESTATES PLAT 3 LOT 116 |
| Legal Subdivision | ROYAL PARK ESTATES PLAT 3 |
| Legal Lot Number | 116 |
| Jurisdiction | ST LOUIS MO |
| Township / Civil Division | WILDHORSE |
| Census Block Group | 4 |
| Census Block | 4003 |
| Census Tract | 217931 |
312 Portwind Pl is owned and occupied by an individual.
Source: St. Louis County records, as of September 29, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 312 PORTWIND PL, BALLWIN, MO 63021-5060 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 312 Portwind Pl was $4,053, up 11.4% from the year before.
Source: St. Louis County assessment roll, as of September 29, 2026
| Type | Name |
|---|---|
| State | Missouri |
| Municipality | Ballwin City |
| County | St. Louis County |
| Unified School District | Rockwood R-VI School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $59,060 (-) Land $21,380 Building $37,680 | $310,800 (-) Land $112,500 Building $198,300 | |
| 2025 | $4,053.00 (+11.38%) | $59,060 Land $21,380 Building $37,680 | $310,800 Land $112,500 Building $198,300 |
| 2024 | $3,639.00 (+0.08%) | ||
| 2023 | $3,636.00 (-2.81%) | $51,940 (+3.84%) Land $17,800 Building $34,140 | $273,400 Land $93,700 Building $179,700 |
| 2022 | $3,741.00 | $50,020 Land $17,800 Building $32,220 | |
| 2021 | $263,300 Land $93,700 Building $169,600 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 312 Portwind Pl in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1982.
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 Claims | 1 (1982) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jun 1982 · rainfall accumulation |
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 312 Portwind Pl 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 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 548 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| i3 Broadband Fiber | 8,000 / 8,000 |
| AT&T Fiber | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures