Allen Chelminsky has acquired a 137,021-s.f. office building in Boca Raton, Fla., from Keystone Property Group for $29.15M. Property: Office building Price: $29.15M Seller: Keystone Property Group Buyer: Allen Chelminsky Located at 1200 Corporate Place, the property is at the intersection of Glades Road and Federal Highway/U.S. Route 1 — a gateway corridor that connects downtown Boca More