Philadelphia has higher labour costs and a lot of older housing stock — flat and low-slope roofs are common on rowhomes.
Freeze-thaw winters and the occasional nor'easter or remnant hurricane drive damage; older flat roofs need membrane systems, not shingle.
Philadelphia roof replacement cost by size
Installed price ranges for Philadelphia, adjusted for local labour (about 8% above the national average). One "square" = 100 sq ft of roof; a typical home is 20–30 squares.
| Roof size | Good | Better | Best |
|---|---|---|---|
| 20 squares | $8,900–$10,500 | $11,900–$14,000 | $16,900–$19,800 |
| 25 squares | $11,200–$13,100 | $14,900–$17,500 | $21,100–$24,800 |
| 30 squares | $13,400–$15,700 | $17,900–$21,000 | $25,300–$29,700 |
Tiers: Good = 3-tab asphalt shingle · Better = Architectural shingle · Best = Premium / designer shingle. These are estimates — your pitch, complexity, and tear-off change the final figure.
What's different about roofing in Philadelphia
Freeze-thaw winters and the occasional nor'easter or remnant hurricane drive damage; older flat roofs need membrane systems, not shingle. Most replacements here are age-driven, so you'll usually pay out of pocket — worth comparing options first. See our storm-damage guide and insurance guide before you file or pay.
How to get an exact Philadelphia price
The numbers above are ranges. For your roof, our calculator measures the actual footprint from aerial imagery, applies Philadelphia-area pricing, and gives you a real estimate — without a contractor in your living room. Try it now.