Development reports · Allegheny County, PA
What's being built in Allegheny County, PA: September 2025
20 development projects in Allegheny County, PA had a new filing in September 2025, up from 13 in August and 19 in September 2024. The busiest towns were Findlay Township (4), Harrison Township (2) and South Fayette Township (2). The most common project type was industrial, followed by government & utilities.
20projects filed
0new homes proposed
0sq ft non-residential
–est. construction value
Biggest projects
Filed 2025-09-29
Single-family homes
35 acres|Single-family homes
Residential subdivision, Marshall Township
Marshall Township, Allegheny County, PA
Filed 2025-09-26
Recreation
116 acres|Recreation
Recreation site, Findlay Township
Findlay Township, Allegheny County, PA
Filed 2025-09-26
Government & utilities
0.3 acres|Government & utilities
Remediation site, Findlay Township
Findlay Township, Allegheny County, PA
Filed 2025-09-25
Recreation
0.5 acres|Recreation
Recreation site, Forward Township
Forward Township, Allegheny County, PA
Filed 2025-09-25
Government & utilities
0.5 acres|Government & utilities
Sewer/water system site, Findlay Township
Findlay Township, Allegheny County, PA
Filed 2025-09-24
Government & utilities
0.5 acres|Government & utilities
Utility Facility/Transmission site, South Park Township
South Park Township, Allegheny County, PA
By type
| Type | Projects | Homes | Sq ft |
|---|---|---|---|
| Industrial | 8 | 0 | 0 |
| Government & utilities | 6 | 0 | 0 |
| Single-family homes | 3 | 0 | 0 |
| Recreation | 2 | 0 | 0 |
| Apartments | 1 | 0 | 0 |
Every project filed in September 2025
← August 2025 · All Allegheny County reports · October 2025 →
Counted by each project's latest filing date. Figures are the totals filed with the county and state, and construction values are rough estimates. See the Allegheny County page for every project since 2024.