Driven. Experienced. Trusted.
Mary E. Costigan is a seasoned municipal and environmental law attorney with extensive experience in land use permitting, zoning compliance, and representing clients before local and state boards.
Having worked in the public sector for years before joining Bernstein Shur, she possesses a firsthand understanding of the challenges faced by municipal and state employees and boards, enabling her to provide practical and effective legal solutions.
What she's great at
Mary brings deep municipal and environmental law experience to matters involving:
- Land use permitting, including subdivision and site plan review
- Zoning compliance, zoning amendments, and conditional rezoning
- Representation before local and state boards, such as planning boards, zoning boards, town councils, and the Maine Board of Environmental Protection
- General municipal law
- Administrative and judicial appeals
- Enforcement actions
- Wind power development
- Stormwater management
- Natural resource protection
How she delivers
Mary is known for her calm demeanor under pressure, dependability, and strong advocacy for her clients. Her background in the public sector allows her to approach legal challenges with a practical perspective, offering solutions that are both effective and efficient.
Why you'll enjoy working with her
Clients appreciate Mary’s ability to navigate complex legal landscapes with ease and her commitment to achieving favorable outcomes. Her extensive experience and practical approach make her a valuable asset to any team.
Who she is off the clock
Outside of her legal practice, Mary is an avid runner, having completed marathons both in the United States and internationally. She is also a dedicated Bruce Springsteen fan and enjoys attending live music events.