Mark Policy is a founding shareholder of GDL and a highly respected attorney, trusted advisor, and transaction attorney and litigator in commercial real estate. With more than five decades of experience, he represents property owners, developers, and managers throughout the Washington, D.C. metropolitan region. Mark combines real estate transactions and leasing representation with administrative and appellate litigation, enabling him to advise clients across the full lifecycle of real estate ownership and operation.
His practice focuses on commercial leasing, acquisitions and sales, and real estate finance, as well as advising property managers on operational and regulatory matters. He regularly represents owners and managers of office buildings, multifamily properties, and mixed-use developments in transactions involving office, retail, restaurant, and business park projects across Washington, D.C., Maryland, and Virginia.
In addition to his transactional work, Mark maintains a well-established litigation practice focused on administrative and appellate proceedings. He represents clients—including major trade associations—in matters affecting the real estate industry more broadly, such as legislative and regulatory issues, ballot initiatives, and challenges before government agencies and courts. His work often involves advising clients on the evolving legal landscape and advocating on issues critical to the real estate community.
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Representative Matters
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Noteworthy
Mark has represented a major utility supply company in the deregulated energy markets in the District of Columbia and Maryland, as well as in the developing open utility market in Virginia. He has also represented a major university for decades in connection with its real estate transactions and related regulatory matters. Earlier in his career, he represented the United States in the valuation of the former Penn Central Railroad. He has handled a range of high-profile matters before trial courts and courts of appeal.
His litigation experience includes several notable appellate matters, including Hessey v. D.C. Bd. of Elections & Ethics, 601 A.2d 3 (D.C. 1991) (preventing a ballot initiative from adversely affecting the District of Columbia budget); Williams v. D.C. Bd. of Elections & Ethics, 804 A.2d 316 (D.C. 2002) (representing the Mayor in a nominating petition challenge); and Apartment and Office Building Ass’n v. D.C. Public Service Commission, 129 A.3d 925 (D.C. 2016) (challenging a $1 billion program to underground utilities).
Mark is a founding shareholder of Greenstein DeLorme & Luchs and has played a central role in the firm’s growth and continued success since its founding in 1989. He is actively involved in developing client relationships, generating new business, and mentoring younger attorneys in all areas of commercial real estate law.
