Seal Harbor Development is recognized for building fine homes while providing attentive customer service throughout New England. We integrate details, passion, quality, excellence, distinction and comfortable living into every home they build and continue to set the benchmark for excellence through meticulous supervision and efficient management with a balance of innovative design, state-of-the-art technologies and unsurpassed craftsmanship. With over 30 years of residential design, construction and client management experience, the team at Seal Harbor brings together all of the elements necessary to service our customers with the highest level of craftsmanship available.
As one of the recognized leaders in the Massachusetts and Southern Maine custom home market, Seal Harbor presents the elegance and grace of timeless architecture with a relentless pursuit of perfection. We utilize a specialized team of architects, craftsmen and interior designers to capture the imagination and dreams of our clients. We are focused on perfecting performance and total customer care, enriching your home building process.
We are true to our mission of building only One Home at a Time.


Mark Gallagher
Seal Harbor Development
179 Great Road
Suite 212
Acton Mass 01720
Developer
Mark has been developing land and constructing homes in the New England area since 1982. Services throughout the years have included:
- Restoration and remodeling – Restored several “period” homes from as early as 1735 through the late 1800s
- Development – Purchase land and plan developments from permitting and consulting through road construction
- New homes – Design and build of new homes from 400 square feet to over 10,000 square feet
- Commercial – Construction of hotel units and cottages as well as commercial buildings
- After care – Care of your home or investment after the sale

The following are developments by State consisting of 1 to 250 homes within the property.
Massachusetts
Anthem Villages, Acton
Crane’s Crossing, Ayer
Bennett Orchards, Littleton
Hawks Crest Reserve, Acton
Freedom Farm, Acton
Lady Slipper Lane, Acton
Wampanoag Drive, Acton
Larch Road, Acton
Evergreen Road, Acton
Mocking Bird Lane, Maynard
Sutton Place, Acton
Stoneymead Farm, Acton
Strawberry Hill Road, Acton
Mattison Drive, Concord
Channing Road, Concord
Ayshire Road, Concord
Macmillan Drive, Concord
Arrowhead Farms, Concord
Old Marlborough Road, Maynard
Pine Meadows, Maynard
Pine Ridge Meadows, Maynard
Wildflower Meadows, Littleton
Maine
Tatnic Road, Wells
Seal Harbor Condominiums and Homes, Wells
Atlantic House, Wells
Holiday House, Moody
Perry Oliver Road, Wells
Red Coat Lane, Wells
Oqunquit House
The Homes at 293 Main Street Ogunquit
Four Seasons Farm, Wells
Beach Dreams, Post Road Wells
Sea Oaks, Ogunquit
The Heights, Ogunquit
Barefoot Cottage Homes, Wells
The Compass Pointe Club, Wells
Topsail Homes, Wells
Ocean Mist Village, Wells