Don was the Williamsport office’s top producer for three years and complements the Mericle team in Central PA Brokerage. He brings a wealth of knowledge to the commercial real estate business. Prior to joining Mericle, Don held a real estate license in Massachusetts and was also affiliated with an environmental consulting firm, working with commercial and industrial properties.

Don graduated from Ithaca College with a Bachelor of Arts Degree in Language and Communication. Some of the companies Don has worked with are Wendy’s International, Bulkmatic, Peebles, Lunaire Corp., North Central Sight Services, Ameristeel, Cleveland Brothers, Ames Dept. Stores, REX audio/video, ShopVac, Coca-Cola Enterprises, Susquehanna Trailways, Phoenix Rehab Services, Paper Magic Group, Leer Industries, Central PA Food Bank, Tractor Supply, Susquehanna Bank, Foamex, Burger King, Scullin Oil, Pella Windows & Doors, Bastian Tire, Sporoco, Your Building Centers, and Truck-Lite.

Don’s professional memberships include the Williamsport/Lycoming Chamber of Commerce, The Clinton County Economic Partnership, The Milton Area Chamber of Commerce, The Tioga County Development Corporation, The Wellsboro Area Chamber of Commerce, The West Branch Valley Association of Realtors, The Pennsylvania Association of Realtors® (PAR), and The National Association of Realtors® (NAR).

Don is an active cycling enthusiast and also regularly competes in local area golf events.


  • Licensed Real Estate Broker. PA License # RS274144

Donald L. Cortese’s Current Listings