About
David M. Kallin is Managing Director and co-leader of Drummond Woodsum’s Land Use & Conservation Practice Group in Portland, Maine whose practice focuses on land conservation, land use, natural resources, litigation, and public-sector matters. He represents clients in conservation, development, regulatory, municipal, school, Tribal, and administrative matters involving land and natural resources. His practice areas include Energy & Public Utility Law, Environmental & Natural Resources, Land Use & Conservation, Litigation, Business & Commercial Litigation, Real Estate Litigation, Municipal Law, School & Education, and Tribal Nations Law.
Kallin earned a J.D., summa cum laude, from the University of Maine School of Law in 2009 and a B.A., cum laude, from Harvard College in 2002. His academic background supports a practice involving complex statutory, property, and environmental questions. This background supports Kallin’s legal analysis and problem solving in land use, conservation, and environmental law, including work that requires close attention to detailed facts, governing rules, and practical consequences.
Kallin’s experience includes land conservation projects, land-use disputes, natural-resource matters, Tribal land issues, municipal and school matters, and administrative or general litigation. Kallin advocates before municipalities, administrative agencies, and state and federal bodies when projects or disputes involve permitting, public decisions, conservation goals, or property rights. Through these matters, Kallin helps clients assess legal options, manage risk, and move through transactions, disputes, administrative processes, or litigation as the situation requires.
David M. Kallin holds a leadership role in the firm and brings both transactional and litigation experience to land and natural-resource matters. His practice regularly crosses environmental, real estate, municipal, and Tribal law. In serving landowners, public entities, and organizations, Kallin brings practical judgment and subject-matter knowledge to the issues presented. Kallin helps clients navigate conservation, development, permitting, public processes, and land-related disputes with advice grounded in the specific facts and legal framework of each matter.
Law Office Affiliations
- Attorney, Drummond Woodsum
- Member, Maine State Bar Association
- Board Member, Maine Appalachian Trail Land Trust
- Member, Natural Resources Council of Maine
Licensed State
- Maine
Education
- University of Maine School of Law
Juris Doctor (JD) Summa Cum Laude - Harvard College
Bachelor of Arts (BA) Cum Laude
Awards & Badges

- Litigation
- Land Use & Zoning
- Business Litigation
- State, Local & Municipal





