David J. Mairo – Environmental & Redevelopment Law


David J. Mairo is a Partner at the law firm of Sedita, Campisano & Campisano, L.L.C. Mr. Mairo’s practice focuses on Environmental Law and Brownfields Redevelopment. Mr. Mairo counsels clients on issues of compliance, applicability and adequacy of remediation concerning the Site Remediation Reform Act and Industrial Site Recovery Act, as well as a variety of other environmental regulatory and enforcement matters; including, negotiations with the NJDEP, permitting, oversight of investigations and cleanups pursuant to the NJDEP Technical Requirements for Site Remediation. Mr. Mairo advises clients on Natural Resource Damage assessments and the implications of environmental due diligence associated with the purchase and sale of real estate. Mr. Mairo has litigated a wide variety of environmental matters involving numerous state laws such as the New Jersey Spill Compensation and Control Act, Water Pollution Control Act, Environmental Rights Act, Solid Waste Act, Underground Storage Tank Act and Hazardous Discharge Site Remediation Act. Mr. Mairo also represents clients identified as Potentially Responsible Parties in Federal CERCLA cost recovery and contribution actions.

Mr. Mairo brings with him a unique technical background and experience gained from seven years of environmental consulting at Dan Raviv Associates, Inc. (presently TRC Environmental Corp.) in Millburn, NJ where he managed all aspects of compliance with State and Federal regulations. Mr. Mairo holds a Bachelor of Science degree in Biology from Dickinson College, as well as a Master of Science in Environmental Science from the New Jersey Institute of Technology. Prior to joining Sedita, Campisano & Campisano, L.L.C., Mr. Mairo was a Partner at McManimon, Scotland & Baumann, L.L.C., and began his legal career at Connell Foley, L.L.P. in 1999.

Mr. Mairo is currently the Administrator of the Justice Stewart G. Pollock Environmental Inn of Court (one of only two Environmental Inns of Court in the country). He has been selected by his peers as a Rising Star in the area of Environmental Law as published by Law & Politics magazine and published numerous articles in the New Jersey Law Journal.

Practice areas

  • Environmental
  • Brownfields Redevelopment


  • State of New Jersey, 1999
  • District Court of New Jersey, 1999
  • State of New York, 2003
  • Court of Appeals, 3rd Circuit, 2003


  • J.D. –Rutgers University School of Law, 1999
  • M.S. –Institute of Technology, 1996
  • B.S. –Dickinson College, 1989

Professional memberships

  • New Jersey Bar Association – Environmental
  • National Brownfields Association
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