Allegheny County property record for 423 Commonwealth Ave, West Mifflin, PA 15122
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,321 sqft · built 1958 |
| Lot Size | 0.165 acres (7,200 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $350,000 (Jan 2025) |
| Tax Bill | $805 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 182-H-35 |
| Primary APN | 182-H-35 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 2,321 sqft Living Area |
| Basement Area | 2 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1958 |
| Architectural Style | Split Level |
| Exterior Material | Brick |
| Construction Type | Brick |
| Roof Material | Other |
| Lot Area | 7,200 sqft (0.165 acres) |
| Garage Type | Attached |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 423 COMMONWEALTH AVE |
|---|---|
| City | WEST MIFFLIN |
| State | PA |
| Zip | 15122-1931 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | GOLF CLUB MANOR 17 LOT 60X120X60 COMMONWEALTH A V 1 STY SPLIT LEVEL BRK VEN HSE 423 |
| Legal Subdivision | GOLF CLUB |
| Legal Block | 182H |
| Legal Lot Number | 35 |
| Jurisdiction | ALLEGHENY PA |
| Township / Civil Division | WEST MIFFLIN |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 488300 |
423 Commonwealth Ave is owned and occupied by two individuals who bought it in January 2025.
Source: Allegheny County records, as of October 13, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 423 COMMONWEALTH AVE, WEST MIFFLIN, PA 15122-1931 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 28, 2025 · Amount on File |
| Deed Sale | Jan 28, 2025 · Amount on File |
| Prior Sale | Jul 2, 2024 · Amount on File |
| Deed Document Number | 20252012 |
| Deed Book / Page | 19933 / 453 |
| Prior Transfer Date | Dec 19, 1953 |
| Prior Transfer Doc | 3465000173 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 423 Commonwealth Ave was $805, 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 | $805.00 (-85.24%) | $125,300 (-) Land $24,000 Building $101,300 | $143,300 (-) Land $24,000 Building $119,300 |
| 2025 | $5,454.00 (-7.68%) Homeowner's exemption | $125,300 Land $24,000 Building $101,300 | $143,300 Land $24,000 Building $119,300 |
| 2024 | $5,908.00 (+14.23%) | ||
| 2023 | $5,172.00 Homeowner's exemption | $125,300 Land $24,000 Building $101,300 | |
| 2012 | $143,300 Land $24,000 Building $119,300 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
FEMA maps place 423 Commonwealth Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2017.
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 Policies | 3 in force |
| Nearby Flood Claims | 1 (2017) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jun 2017 · 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.
Wildfire risk around 423 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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