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Lassel Architects


About Us

ARCHITECTURE | PLANNING | CONSULTING Lassel Architects was founded in 1989 and has been providing sustainable design services to residential and commercial clients throughout New England for more than three decades. The firm provides a broad range of services with experience in a variety of project types. Our work always denotes proficiency in today’s sustainable design, construction and operations standards. Our portfolio of work includes renovation and new construction, commercial, institutional, health care, retail, multi-family housing and custom single-family residential design projects of various sizes. We treat all projects with the same care and thought to achieve client goals.

Services Provided

Accessory Dwelling Units (ADUs), Architectural Design, Custom Home, Energy-Efficient Homes, Green Building, Historic Building Conservation, Home Additions, Home Extensions, Home Remodeling, Home Restoration, Multigenerational Homes, Pool House Design & Construction, Sustainable Design

Areas Served

Bar Mills, Berwick, Cape Neddick, Cape Porpoise, Dover, Durham, Eliot, Kittery, Kittery Point, Lee, Madbury, Moody, Newington, North Berwick, Ogunquit, Rochester, Rollinsford, Somersworth, South Berwick, South Eliot, Wells, Wells Beach Station, York, York Beach, York Harbor, Maine, New Hampshire, Greater New England

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5 Projects



New Castle, NH
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Contact Lassel Architects
370 Main Street
South Berwick, ME 03908