Kathleen M. Heyer

Kathleen Heyer focuses her practice on administrative and land use litigation. She has extensive experience representing property owners, developers, and companies in a wide variety of land use matters, including boundary disputes, encroachments, and title defects. Kathleen also works with clients on energy matters, including storage, LNG, solar energy, and conservation issues.

She regularly appears before various municipal boards, and represents clients in both Land Court and Superior Court. She also handles land use-related appellate matters and administrative appeals. Kathleen has a passion for affordable housing and a strong interest in land use planning, renewable energy, and sustainable development.

Prior to joining Pierce Atwood, Kathleen was an associate at Johnson & Borenstein in Andover. She began her legal career as a law clerk to the Honorable Harry M. Grossman (retired) of the Massachusetts Land Court.

During law school, Kathleen won multiple awards and served as an associate, and later executive literary editor, for the New England Law | Boston Law Review. In her spare time, Kathleen enjoys reading, cycling, and gardening.

Honors & Distinctions
  • Included in The Best Lawyers in America® “Ones to Watch” for Land Use and Zoning Law (2024)
  • Recognized by Boston magazine as a "Top Lawyer" for Land Use/Environmental (2023)
  • Recognized as a "Rising Star" in Land Use & Zoning, General Litigation, and Local & Municipal Law by New England Super Lawyers (2021-2022)
Professional Activities
  • American Bar Association
  • Boston Bar Association
  • Board member, Boys & Girls Club of Greater Salem, MA
  • Government Affairs Committee, Greater Boston Real Estate Board
  • Board member, Real Estate Bar Association (REBA)
  • Co-chair, REBA Land Use and Zoning Section
  • Co-chair, REBA Strategic Communications Committee
  • National Association of Industrial and Office Properties (NAIOP)