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About Us

For over three decades, TMS Architects has been designing projects in New Hampshire, throughout New England and beyond. Our mission is to embrace our clients’ visions and translate them into buildings that are beautiful, functional and sensitive to their environment. We work to create buildings that are infused with spirit and beauty, reflective of their heritage, sustainably built, and engineered with excellence. TMS has developed a significant and diverse portfolio over the past decades with work in custom residential, finance, hospitality and corporate/commercial fields. Historic preservation is an important part of TMS’s work and the firm has been active in many prominent restorations including The Wentworth By The Sea Hotel, The Music Hall and Salem Country Club. We firmly believe that restorations and renovations of historically significant buildings and private homes help preserve the character and heritage of New England architecture.

Services Provided

3D Rendering, Bathroom Design, Custom Homes, Energy-Efficient Homes, Green Building, Historic Building Conservation, Home Additions, Home Remodeling, House Plans, Kitchen Design, Kitchen Remodeling, Construction Drawings

Areas Served

Cape Neddick, Hampton, Kittery, Kittery Point, New Castle, North Hampton, Rye, Rye Beach, York Beach, York Harbor, Beverly, Manchester by the Sea, Rockport, Gloucester, Magnolia, Marblehead, Newbury, West Newbury, Newburyport, Lakes Region, Coastal Maine, Northshore


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Business Details

Business Name

TMS Architects

Phone Number

(603) 436-4274


One Cate Street
Portsmouth, NH 03801

Typical Job Cost

$25,000 -

We recommend a hard cost construction budget (labor and materials) of at least $400/sf to achieve similar results as those seen in our portfolio. Landscaping, furniture, and costs associated with plans and permitting are not included in this estimated budget.


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