OVERLAND PARK, KAN. — Newmark Zimmer has arranged the sale of a 56,994-square-foot office building in Overland Park for an undisclosed price. The multi-tenant property is located at 8300 College Blvd. Michael VanBuskirk, Chris Robertson, Nick Suarez and TJ Wahl of Newmark Zimmer negotiated the transaction. A private investor sold the asset to Nashville-based Excelsior Capital. With this transaction, Excelsior has expanded its portfolio to more than 360,000 square feet of office space in the Kansas City market.