Allegheny County property record for 331 William St, Pittsburgh, PA 15209
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,836 sqft · built 1928 |
| Lot Size | 0.092 acres (3,990 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $64,900 (Jul 2009) |
| Tax Bill | $454 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 118-P-154 |
| Primary APN | 118-P-154 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,836 sqft Living Area |
| Year Built | Built 1928 |
|---|---|
| Effective Year Built | Effective 1928 |
| Architectural Style | Old Style |
| Exterior Material | Brick/Stone |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Slate |
| Lot Area | 3,990 sqft (0.092 acres) |
| Garage Type | Detached |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 331 WILLIAM ST |
|---|---|
| City | PITTSBURGH |
| State | PA |
| Zip | 15209-2347 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | JOHN I WILLIAMS PLAN 32-PT 31 LOT 36X120X30.5 R R IN ALL WILLIAM ST 2 STY BRK & SHG HSE #331 |
| Legal Subdivision | JOHN I WILLIAMS PLAN |
| Legal Block | 118P |
| Legal Lot Number | 154 |
| Jurisdiction | ALLEGHENY PA |
| Township / Civil Division | MILLVALE |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 427000 |
Source: Allegheny County records, as of June 3, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 331 WILLIAM ST, PITTSBURGH, PA 15209-2347 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 1, 2009 · Amount on Record |
| Deed Sale | Jul 1, 2009 · Amount on Record |
| Deed Book / Page | 13969 / 535 |
| Prior Transfer Date | Jul 31, 2001 |
| Prior Transfer Doc | 0111110624 |
| Record Updated | Oct 29, 2026 |
Source: Allegheny County assessment roll, as of June 3, 2026
| Type | Name |
|---|---|
| State | Pennsylvania |
| County | Allegheny County |
| Municipality | Millvale Borough |
| Unified School District | Shaler Area School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $454.00 (-84.81%) | $70,700 (-) Land $12,600 Building $58,100 | $70,700 (-) Land $12,600 Building $58,100 |
| 2025 | $2,988.00 (+8.58%) | $70,700 (-) Land $12,600 Building $58,100 | $70,700 (-) Land $12,600 Building $58,100 |
| 2024 | $2,752.00 (+3.11%) | ||
| 2023 | $2,669.00 | $70,700 Land $12,600 Building $58,100 | |
| 2012 | $70,700 Land $12,600 Building $58,100 |
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 September 10, 2026 · 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 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 39 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 39 in force |
| Nearby Flood Claims | 148 (1978–2021) |
| Claims Outside the SFHA | 17 of 148 |
| Most Recent Claim | Sep 2021 · river or lake flooding |
| Claims by Event |
|
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 98% of the US · lower than 98.3% of Pennsylvania |
|---|---|
| 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 | PITTSBURGH WATER & SEWER AUTH serves 520,000 people · EPA ID PA5020038 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Oct 2024 |
| Lead | 2 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Lead service line replacement Jul 2018 |
| Monitoring and Reporting | 30 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 541 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fiber | 980 / 880 |
| T-Mobile Fixed Wireless | 100 / 20 |
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