Allegheny County property record for 504 Commonwealth Ave, West Mifflin, PA 15122
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 972 sqft · built 1952 |
| Lot Size | 0.239 acres (10,400 sqft) |
| Owner | Individual Name on File |
| Last Sale | $40,000 (Oct 1999) |
| Tax Bill | $271 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 182-H-76 |
| Primary APN | 182-H-76 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 972 sqft Living Area |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1952 |
| Architectural Style | Cape Cod |
| Exterior Material | Brick |
| Construction Type | Brick |
| Roof Material | Other |
| Lot Area | 10,400 sqft (0.239 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 504 COMMONWEALTH AVE |
|---|---|
| City | WEST MIFFLIN |
| State | PA |
| Zip | 15122-1933 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MIFFLIN MANOR PLAN 411 BLK 4 LOT 52X200 COMMONW EALTH AVE 1 1/2 STY BRK VEN HSE 504 |
| Legal Subdivision | MIFFLIN MANOR |
| Legal Block | 182H |
| Legal Lot Number | 76 |
| Jurisdiction | ALLEGHENY PA |
| Township / Civil Division | WEST MIFFLIN |
| Census Block Group | 2 |
| Census Block | 2021 |
| Census Tract | 488100 |
504 Commonwealth Ave is owned and occupied by an individual who bought it in October 1999.
Source: Allegheny County records, as of July 2, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 504 COMMONWEALTH AVE, WEST MIFFLIN, PA 15122-1933 |
| 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 |
|---|---|
| Last Sale | Oct 13, 1999 · Amount on File |
| Deed Sale | Oct 13, 1999 · Amount on File |
| Prior Sale | Jun 22, 1995 · Amount on File |
| Deed Document Number | 1999101399180571 |
| Deed Book / Page | 10604 / 99 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 504 Commonwealth Ave was $271 with a homeowner's exemption, down 85.2% from the year before.
Source: Allegheny County assessment roll, as of June 3, 2026
| Type | Name |
|---|---|
| State | Pennsylvania |
| County | Allegheny County |
| Municipality | West Mifflin Borough |
| Unified School District | West Mifflin Area School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $271.00 (-85.24%) Homeowner's exemption | $42,200 (-) Land $28,000 Building $14,200 | $60,200 Land $28,000 Building $32,200 |
| 2025 | $1,836.00 Homeowner's exemption | $42,200 Land $28,000 Building $14,200 | |
| 2023 | $1,741.00 Homeowner's exemption | $42,200 Land $28,000 Building $14,200 | |
| 2012 | $60,200 Land $28,000 Building $32,200 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 504 Commonwealth Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2019.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 1 (2019) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jun 2019 · other causes |
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 504 Commonwealth Ave 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 97.3% 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 | PA AMER WATER CO-PITTSBURGH private · serves 686,000 people · EPA ID PA5020039 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Aug 2023 |
| Lead | 4 ppb (2025) action level 15 ppb |
| Water Quality | Turbidity resolved · Nov 2017 |
|---|---|
| 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 341 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fiber · Fixed Wireless in parts of the area | 980 / 880 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: T-Mobile.
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