Map for The Marshall - St. Clair Group-Keller Williams Real Estate Search | Advanced Search | New Members | Coupons and Discounts | All Categories Real Estate & Construction >> Real Estate The Marshall - St. Clair Group-Keller Williams Real Estate 395 Valley Brook RoadMcMurray, PA 15317 | directions 724-941-9400 x126 Visit Site If your business isn't here, contact us today to get listed!