Mark C. Duffie


Areas of Practice

Business and Corporate Law, Business and Corporate Law, Municipal Law, Real Estate & Land Development, Real Estate & Land Development, Real Estate & Land Development


University of Pennsylvania, B.A. Economics
University of Akron School of Law, J.D.

Mark C. Duffie is an experienced attorney of 27 years who focuses primarily on commercial and residential real estate transactions. As a result, he also specializes in zoning and land use law, landlord/tenant law, tax assessment law, planned communities, corporate law, as well as any other administrative law issues. He is also a licensed real estate broker in the Commonwealth of Pennsylvania and a licensed title insurance agent as well.

Mr. Duffy is licensed to practice in:

  • All Pennsylvania Courts
  • U.S. District Court – Middle District of Pennsylvania

Mr. Duffie is affiliated with the following professional associations:

  • Pennsylvania, Dauphin County and Cumberland County Bar Associations
  • National Association of Realtors
  • Greater Harrisburg Association of Realtors

Mr. Duffie is vested in the community and holds or has held these posts:

  • Current member and former Board Member, West Shore Area Chamber of Commerce
  • Member, Harrisburg Chamber of Commerce
  • Member, Mechanicsburg Chamber of Commerce
  • President, West Shore Lacrosse Booster Club
  • Past President, West Shore Youth Lacrosse Club
  • Past Board Member, West Shore YMCA
  • Parishioner, Fishing Creek Salem United Methodist Church