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William T. Dion
Silverang, Rosenzweig & Haltzman, LLC
Woodlands Center, Suite 300
900 East Eighth Avenue
King of Prussia, PA 19406
Direct: (610) 263-0142
Main: (610) 263-0115
Fax: (215) 754-4934


Mr. Dion concentrates his practice in real estate matters including the acquisition, sale, financing, leasing, entitlement/land use, construction and litigation arising from or related thereto. He advises clients in all aspects of real estate development including the evaluation of construction budgets/timelines, due diligence, environmental matters, yield analysis, planning, zoning and all federal, state and local permits/approvals.

Mr. Dion joined Silverang, Rosenzweig & Haltzman, LLC after almost thirty years of experience in real estate through his representation of numerous governmental agencies along with both public and private developers. He ran the land department for a national home builder where he oversaw the acquisition, entitlement and construction of thousands of residential units. He then went on to privately develop in excess of two million square feet of commercial/retail space.

Mr. Dion's experience in representing governmental agencies, public and private developers; running a land department and privately developing commercial/retail space uniquely qualifies him to guide his clients through the nuances and challenges of developing all types and manner of real estate.

Mr. Dion is admitted to practice before the state courts in Pennsylvania and before the United States District Court of the Eastern District of Pennsylvania. He holds a Bachelor of Arts degree from Villanova University and obtained his Juris Doctor from Pennsylvania State University, The Dickinson School of Law.

Representative Practice:

  • Defended various governmental agencies against challenges to land use and zoning regulations.
  • Represented numerous Fortune 500 companies in the acquisition, sale, leasing, entitlement and construction of hundreds of development projects.
  • Developed over 3,000 residential lots, including multi-family, in the Tri-State area.
  • Developed in excess of two million square feet of commercial/retail space valued at over 475 million dollars.
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