Dennis C. Keeler

Combining experience and a practical and pragmatic approach, Dennis Keeler helps guide his clients through complex developments and transactional deals. He understands how to get a deal done, while still protecting his client's interests. Dennis has been involved in some of the larger real estate deals in the State of Maine, from the redevelopment of a 100,000 square foot warehouse on the waterfront to Class A office space, to the acquisition and subsequent disposition of one of the largest office building portfolios in Maine valued in excess of $50M to a large residential golf course development. Dennis was lead counsel in the disposition of a $100M portfolio of office/warehouse airport buildings, which portfolio included 13 properties in seven different states.

Prior to joining Pierce Atwood in 1984, Dennis practiced with the large Denver Colorado firm of Holme, Roberts & Owen (since merged with Bryan Cave), specializing in real estate development. Since coming to Pierce Atwood, Dennis has been instrumental in the establishment and growth of Pierce Atwood's Real Estate group to become one of the top real estate practice groups in Maine and the region. Pierce Atwood is recognized as one of the two "Band 1" real estate departments in Maine by Chambers USA 2019. Dennis was the head of the Real Estate Practice Group for approximately 15 years, beginning in the early 90's.

Honors & Distinctions
  • Recognized by Chambers USA for Real Estate Law
  • Listed in The Best Lawyers in America® since 2003 for Real Estate Law
  • Named by The Best Lawyers in America® as the Maine Real Estate "Lawyer of the Year" in 2010, 2016, 2020
  • Named by The Best Lawyers in America® as the Maine Land Use and Zoning "Lawyer of the Year" in 2021
  • Named a Super Lawyer for Real Estate Law from 2011-2016
  • In 2011, awarded the Robert B. Patterson Jr. Founders' Award by the Maine Real Estate & Development Association for significant contributions to responsible real estate development in the state of Maine
Professional Activities
  • Member, International Council of Shopping Centers
  • Member and former Secretary, Director and Executive Committee member, Maine Real Estate & Development Association
  • Member, Maine, Massachusetts, New Hampshire and Colorado Bar Associations
Civic Activities
  • Former member, Falmouth Zoning Board of Appeals
  • Former board member, Ingraham, a nonprofit community-based organization that provides crisis intervention and shelter

Practice Areas

Representative Experience
  • Lead negotiator for lease of Pierce Atwood's headquarters in Portland Maine, involving $13M renovation of historic warehouse building, negotiation of tax increment financing with the City of Portland and coordination of development
  • Lead counsel in the development of a mixed use commercial development in Portland, Maine area comprising a regional supermarket-anchored retail center, a bank, restaurant, office building, medical offices and daycare facilities, which representation included acquisition, permitting, construction and permanent financing, negotiation of economic incentives, creation of cross easements and owner's association
  • Represented developer of large golf course condominium community, including permitting, financing and creation of condominium and association documents and sale of units
  • Represents regional supermarket chain in development of stores in Maine, New Hampshire and New York State, including development of first Platinum LEED certified supermarket in the country
  • Represented Madison Paper Industries in the $35M sale of Hydro-Kennebec Facility, a hydroelectric generating plant, comprised of approximately 15.4 MW of generating capacity and related flowage and easements, located in Kennebec and Somerset Counties, Maine
  • Represented Finnish company in the sale of a paper mill situated in Alsip, Illinois for approximately $10M
  • Represented buyer in the purchase of a medical office condominium in mixed use project situated in the East Side of Manhattan
  • Represented a REIT in the acquisition of a downtown Portland, Maine commercial real estate portfolio comprised of five office buildings, a retail building and two parking garages, valued in excess of $57M.  Also assisted the same party in the subsequent disposition of the portfolio over multiple transactions
  • Lead outside counsel to Boston-based federal savings bank in the purchase and sale of commercial real estate loan portfolios, comprising to date hundreds of loans having a combined UPB of several hundred million dollars and secured by properties across the United States


Representative Experience
  • Represents Houston-based European owned company in the development of wind farms in Maine and New Hampshire, including leasing, land use and permitting