Heidi S. Minuskin


(973) 631-6026
350 Mount Kemble Avenue
P.O. Box 1917
Morristown, NJ 07962

Heidi Minuskin is a Partner in the Firm's Environmental and Toxic Tort Group. 

Heidi's practice concentrates in the areas of environmental law, commercial and real estate transactions. She counsels clients on the impact of environmental law on real estate and business transactions, helping them assess and address potential liabilities under federal and state environmental laws, and providing solutions to allow development and transactions to proceed. Her practice encompasses all aspects of environmental law, including Superfund Brownfields redevelopment, ISRA, due diligence, disclosure obligations, environmental insurance matters, site remediation, and regulatory compliance and permitting issues.

Heidi represents a broad range of clients, from Fortune 100 major corporations to individual clients, in environmental litigation, penalty and enforcement matters, and cost recovery actions, involving federal and state statutes and regulations including CERCLA, RCRA, New York Environmental Conservation Law and New Jersey’s Spill Act. She has negotiated significant Superfund, Spill Act and remediation settlements with various federal, state and local agencies.

Prior to joining Coughlin Duffy at it's inception in March 2004, Heidi served as Of Counsel to McElroy, Deutsch & Mulvaney, LLP. 


  • Represented clients in Newark Bay Complex litigation and Lower Passaic River, Newark Bay, and Berry's Creek Superfund matters.
  • Developed procedure for addressing environmental insurance claims and negotiated substantial settlements.
  • Negotiated significant federal Superfund and state law environmental Settlement.
  • Performed due diligence reviews of real property and major corporations and undertook emergent ISRA submissions to allow transactions to be consummated.
  • Negotiated significant NRD settlements and environmental property damage claims.
  • Aided numerous lending institutions in assessing environmental risks associated with various financing arrangements and developing risk assessment policies.
  • Negotiated significant private party cost recovery settlements. 

Speaking Engagements

Speaker, "Avoiding Costly Environmental Pitfalls Associated with Purchasing or Leasing Commercial Real Estate," Northeast NJ Chapter of the Appraisal Institute (September 19, 2019)

Speaker, "Lower Passaic River and Berry’s Creek Clean Up and Litigation," New Jersey State Bar Association Insurance Law Section (January 31, 2019)

Speaker, "The Reanaissance of Urban Areas: Woodbridge and Beyond," CIANJ (September 15, 2017)

Moderator, "New Life to Old Cities: Urban Redevelopment," CIANJ Real Property Roundtable (June 10, 2016)

Moderator, "How will Valuations, Tax Changes & Rate Environment Impact you in 2016?," CIANJ Real Property Roundtable (January 29, 2016)

Lecturer, PIA (2014)

Lecturer, NJSCPA (2014)

Lecturer, NJSCPA (2008)

Lecturer, Majess Lecture Series (1995)

Lecturer, Monmouth County Board of Realtors (1990)

Lecturer, HazMat International (1989-1990)

Lecturer, New Jersey Real Estate Commission (1989)

Publications and Presentations

Co-Author, "Keeping Your Neighbor in the Loop: Public Notice of Site Remediation" CIANJ Magazine (2008) 

Co-Author, "In Hot Pursuit of NRD Claims," Environmental Claims Journal, 19(4):219-238 (2007)

"NRD Claims: What's Recoverable, What's Not?", NJPA Real Estate Journal (2006)

Co-Author, “Cleaning Your Neighbor’s Property,” New Jersey Law Journal (2002) 

Co-Author, “ECRA Compliance,” Mathew Bender New Jersey Transaction Guide (1989)

Co-Author, "The Hidden Costs of a Home Purchase," Garden State Woman Magazine (Issue 47) 

Awards and Honors

Listed in Best Lawyers in America©, Environmental Law & Litigation-Environmental (2021), (This list is published by Best Lawyers.  Their selection methodology is available here.  No aspect of this advertisement has been approved by the Supreme Court of New Jersey.)

New Jersey Super Lawyers - Environmental (2009, 2011-2020)

Chambers USA Guide to America's Leading Law Firms - Environmental (2008-2020)

Selected as on of the 2019 Top Rated Lawyers in Real Estate Law by ALM

Selected as one of New Jersey’s Women Leaders in the Law (2012)

Rated AV® Preeminent™ by Martindale Hubbell


Member, American Bar Association (Section on Natural Resources)

Member, New Jersey State Bar Association (Sections on Environmental, Corporate and Business Law)

Member, New York State Bar Association (Section on Environmental Law)

Member, Industrial/Commercial Real Estate Women of New Jersey (ICREW)

Member, Commercial Real Estate Women (CREW)

Member, Commercial Real Estate Alliance United Industrial Group (CREA United)

Member, Environmental Business Council of the Commerce and Industry Association of New Jersey (EBC)

Master, Justice Stewart G. Pollock Environmental Inn of Court

Chairperson, Real Property Forum of the Commerce and Industry Association of NJ

Member, Chemical Council of New Jersey

Member, New Jersey License Site Remediation Professional Association

Committee Member, New Jersey Department of Environmental Protection Near-Term Priorities Committee