Jay Epstien represents local and national owners, developers and users in all aspects of real estate transactions involving urban office buildings, shopping centers and multifamily residential projects.

He has been the lead lawyer on many of the largest downtown office leases in Washington, DC, representing both landlords and tenants, including numerous law firms that have sought his counsel. He has represented major corporations, including the Bureau of National Affairs and Verizon, in corporate real estate facilities matters throughout the United States, involving major corporate relocations and disposition of significant existing facilities. Jay is also an active practitioner in the shopping center industry.

Jay is a member of the DLA Piper's US Executive Committee, chairs the US Real Estate practice and is co-chair of the Global Real Estate practice, the largest real estate practice in the world. In addition, he is a fellow of the American College of Real Estate Lawyers, serving on its Board of Governors from 2001 to 2007, a member of the Anglo American Real Property Institute; and a member of the ICSC Law Conference Program Committee, where he served as chair of the 2010 ICSC Law Conference.