🔧 Official Rankings
10 Best Plumbers in Upper Saint Clair, PA (September 2026)
We compared 10 plumbers serving Upper Saint Clair and Allegheny County, Pennsylvania, and ranked the top providers by verified reviews, ratings, and local reputation — 2,734 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by Patrick David Plumbing. Updated for September 2026.
- Plumbers ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 2,734
- Area codes
- 412, 724
#1
Patrick David Plumbing
⭐ 5.0 · 203 reviews
4905 Library Rd, Bethel Park, PA 15102
#2
#3
Roto-Rooter Plumbing & Water Cleanup
⭐ 4.9 · 1152 reviews
1035 Boyce Rd Ste 220, Pittsburgh, PA 15241
#4
All Pro Plumbing Heating & Cooling
⭐ 4.9 · 392 reviews
5800 Library Rd, Bethel Park, PA 15102
#5
#6
Thomas Lily Plumbing
⭐ 4.9 · 105 reviews
3638 Willow Ave, Pittsburgh, PA 15234
#7
412 Plumbing
⭐ 4.8 · 344 reviews
7031 Highland Creek Dr, Bridgeville, PA 15017
#8
#9
Cirigliano Plumbing
⭐ 4.8 · 248 reviews
623 Torwood Ln, Pleasant Hills, PA 15236
#10