🏡 Official Rankings
10 Best Real Estate Agents in Upper Saint Clair, PA (September 2026)
We compared 10 real estate agents serving Upper Saint Clair and Allegheny County, Pennsylvania, and ranked the top providers by verified reviews, ratings, and local reputation — 469 customer reviews in all.
The 10 listed below hold an average rating of 5.0 out of 5, led by Mark McClinchie | Mark Knows Pittsburgh. Updated for September 2026.
- Real Estate Agents ranked
- 10
- Average rating
- 5.0★
- Reviews analyzed
- 469
- Area codes
- 412, 724
Mark McClinchie | Mark Knows Pittsburgh
⭐ 5.0 · 123 reviews
100 Siena Dr, Pittsburgh, PA 15241
The Sisters Sold It | Pittsburgh Realtor | Compass RE
⭐ 5.0 · 85 reviews
100 Siena Dr Ste 210, Upper St Clair, PA 15241
Jen Crouse REALTOR
⭐ 5.0 · 54 reviews
100 Siena Dr Ste 210, Upper St Clair, PA 15241
Sharon St. Clair- Certified Luxury Real Estate Agent- Howard Hanna
⭐ 5.0 · 42 reviews
180 Fort Couch Rd Suite 425, Pittsburgh, PA 15241
Jordan Jankowski - Pittsburgh Real Estate Agent
⭐ 4.9 · 49 reviews
100 Siena Dr Ste 210, Pittsburgh, PA 15241
KW Pittsburgh Roxane CAN Real Estate Group
⭐ 4.9 · 38 reviews
1500 Oxford Dr Suite 300, Pittsburgh, PA 15102
Burton Frey Pittsburgh / New York Real Estate
⭐ 5.0 · 25 reviews
100 Siena Dr Ste 210, Upper St Clair, PA 15241
Howard Hanna Upper St. Clair
⭐ 5.0 · 22 reviews
180 Fort Couch Rd Suite 425, Pittsburgh, PA 15241
Joe Cinello, Pittsburgh Real Estate Agent
⭐ 5.0 · 16 reviews
180 Fort Couch Rd, Pittsburgh, PA 15241
Barnick Merrell Team
⭐ 5.0 · 15 reviews
100 Siena Dr Ste 210, Upper St Clair, PA 15241