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Susan P. Phillips


[email protected]



Susan is a masterful strategist, and she is skilled at evaluating environmental considerations relating to transactions, permitting, and property development. She has advised developers, lenders, purchasers, and sellers of property with hazardous waste or environmental permitting issues for more than 30 years on thousands of transactions. Susan regularly devises successful strategies to secure the permits and approvals needed to transfer and develop contaminated properties. She has a particular interest in advising national retail store chains on the acquisition and redevelopment of Brownfield sites throughout the country, and she has served as environmental counsel in numerous sale-leaseback transactions involving retail properties. Susan has also contributed to ASTM International’s development of environmental standards.

For 30 years, Susan’s practice has involved the full range of federal, state, and local environmental and land use regulations. Her practice is primarily transactional in nature; she advises developers, lenders, purchasers, and sellers of property with hazardous waste or environmental permitting issues, and assists in securing permits and approvals necessary for property transfer and development. Additionally, she coordinates due diligence and provides counsel in assessing risks, evaluating and negotiating environmental insurance, and structuring transactions in order to effectively allocate environmental risks.

Susan represents clients in negotiations with state and local environmental agencies, and has represented manufacturing and other industrial businesses with respect to a wide variety of environmental matters, including state and federal air quality, storm water discharge, wetlands, petroleum storage tanks, Chapter 91, groundwater withdrawal, asbestos, lead paint, indoor air, and other regulatory compliance issues.

Her particular emphasis is on advising national retail store chains on the acquisition and redevelopment of Brownfield sites throughout the country. She assists in the purchase, cleanup, and development of individual properties, and then in financing multistate property portfolios through sale/leaseback and other mechanisms, including counseling clients on disclosure and working with rating agencies on environmental issues. Susan has addressed environmental concerns in the acquisition and ground-leasing of more than 4,300 properties in 45 states. She has also served as environmental counsel on more than 60 sale-leaseback transactions involving more than 3,500 retail properties with an aggregate value in excess of $12 billion.

Susan has been actively involved with ASTM International in the development of various environmental standards. She co-chaired the drafting committee and was also a member of the legal committee for the Standard for Vapor Intrusion Assessment in Real Estate Transactions, published in 2008, and collaborated on the subsequent Standard Guide for Vapor Encroachment Screening on Property Involved in Real Estate Transactions, published in 2010. She is also a member of the Task Group that developed ASTM's current Phase I Standard.


  • University of Chicago (JD)
  • Cornell University (BA, Biology)

Recognition & Awards

  • Best Lawyers in America: Environmental Law
  • Chambers USA: Massachusetts – Environment
  • Included on the Massachusetts Super Lawyers: Environmental list (2018)
  • Acquisition International Legal Award, US Environmental Firm of the Year
  • Martindale-Hubbell Bar Register of Preeminent Women Lawyers
  • Martindale-Hubbell AV Preeminent


  • Member, International Council of Shopping Centers
  • Member, Boston and National CREW (Commercial Real Estate Women)
  • Member, ASTM International
  • Member, New England Women in Energy and the Environment
  • Board member, Elizabeth Stone House
  • Member, American Bar Association
  • Member, Massachusetts Bar Association
  • Member, Boston Bar Association

Recent Insights

News & Press


News & Press

Mintz partner and Massachusetts lawyer Julie Korostoff is one of 49 attorneys recognized as “Leaders in Their Fields” by the 2018 Chambers USA: America's Leading Lawyers for Business guide. Chambers named Korostoff a “Recognized Practitioner” in Technology.
Mintz advised GPB Capital on its acquisition of a majority equity stake in Westwood, Massachusetts-based Prime Motor Group. The acquisition by Capstone Automotive Group, an affiliate of GPB, expands the group’s footprint throughout New England.
Best Lawyers named 85 Mintz attorneys to its 2018 list of The Best Lawyers in America. In addition, Mintz attorneys Matthew J. Gardella and Samuel M. Tony Starr were named “Lawyer of the Year” in their respective practice areas.
This article, co-authored by Mintz attorneys Susan Phillips and Stephen Friedberg, discusses implementing sale-leasebacks, a tactic increasing in popularity among various companies.
Best Lawyers named 73 Mintz attorneys to its 2017 list of The Best Lawyers in America. Mintz attorneys selected for inclusion in this year’s list span 44 practice areas. 
Environmental Law Member Susan Phillips authored this Law360 column on the role sufficient environmental due diligence can and should play in real estate transactions.



Strategies for Developing Contaminated Properties - Know What You Are Getting Yourself Into

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