Peter F. Kelsen


Peter Kelsen concentrates his practice in the area of land use and real estate development. Mr. Kelsen serves as counsel to a wide range of clients, including developers, owners, financial institutions, and municipal agencies in an equally diverse range of industries. He advises clients on the complexities of their transactions in the areas of:

  • zoning and land use law
  • real estate tax assessment/exemption litigation
  • commercial development
  • condemnation

Chambers USA has recognized Mr. Kelsen as a leader in real estate law, with sources noting "he is the best zoning attorney in the city." Chambers has also stated that he is “highly regarded for his zoning and land use practice” and “one of the few lawyers who really understands how the city works.” Clients agree that “he has an impressive ability to achieve victory in difficult cases.” He is praised as “responsive, knowledgeable, levelheaded and insightful,” and his peers regard him as “an outstanding land use lawyer.

Mr. Kelsen previously served as the vice chairman of the Philadelphia Zoning Code Commission and is the editor of the Philadelphia Zoning Code Publication Project. He is a frequent lecturer on current trends in the practice of land use law, presenting on a variety of topics, including real estate development, eminent domain, zoning law, real estate tax assessment, and taxes affecting real estate.

Prior to entering private practice, Mr. Kelsen worked for the City of Philadelphia’s Law Department in the Land Damages Division.


  • NFL football team as land use counsel in connection with the development of the Philadelphia football stadium and practice facility.
  • World-renowned impressionist art institution as zoning counsel.
  • National developer of regional shopping centers as land use counsel.
  • Real estate developer as land use counsel in connection with Philadelphia area multifamily development projects.
  • State pension system as the representative of a state employee pension system in connection with a successful appeal for two major Center City, Philadelphia, office buildings resulting in significant property tax savings.
  • Owner/developer in a successful tax assessment litigation resulting in significant property tax savings on a premium office building complex located in Center City, Philadelphia.
  • National department store in Montgomery County in securing significant real estate tax savings.
  • International oil company in the successful representation of terminal and refinery facilities in securing major reductions in real estate tax assessments.
  • Working with the Philadelphia Redevelopment Authority (“PRA”) in the acquisition and development of a large tract on Vine Street on behalf of The Church of Jesus Christ of Latter-day Saints (Mormon church). The project, which is ongoing, involves the construction of a Mormon Temple.
  • Negotiation and acquisition with the PRA in connection with a parcel at 16th & Vine for a mixed-use development on behalf of the Corporation of the Presiding Bishop of the Church of Jesus Christ of Latter-day Saints. Ongoing project includes construction of a 300+ unit of a market-rate housing development with retail spaces and other development.
  • Assisting a nonprofit senior housing provider in connection with numerous ongoing development projects involving the PRA.


  • Real Estate: Zoning/Land Use Law, listed in Chambers USA
  • AV-Preeminent®, listed by Martindale-Hubbell®
  • 2004, 2006–2017, “Pennsylvania Super Lawyer” in State, Local & Municipal, listed in Super Lawyers



  • American Bar Association
  • Case Western Reserve University School of Law
  • City of Philadelphia
  • Pennsylvania Bar Association
  • Philadelphia Bar Association
  • Philadelphia Zoning Code Commission
  • University of Pennsylvania
Professional Activities

Mr. Kelsen is a member of the Board of Directors of the Jewish National Fund of the Pennsylvania/New Jersey region. He served on the Board of the Central Philadelphia Development Corporation and is also a member of the Governmental Affairs Committee of the Building Industry Association.



  • Pennsylvania


  • Case Western Reserve University School of Law, JD
  • University of Pennsylvania, BA