Christopher Dallmus | Design Associates


Since 1981, Christopher Dallmus has been a partner of Design Associates of Nantucket and Cambridge, Massachusetts. His over thirty year career as an architect is punctuated by community service, as well as many highly visible commercial and residential projects, ranging from private custom residences and mixed-use commercial- residential complexes, to hotels and museums.

His extensive expertise in historic preservation, land use planning, and adaptive reuse anchors an extensive portfolio of new construction and rehabilitation/restoration building projects.

Working with an elite group of clients throughout New England, Christopher Dallmus demonstrates an on-going sensitivity to problem solving, technical proficiency, and a clear vision of architecture at the turn of the century. Mr. Dallmus has led Design Associates’ success outside Nantucket and heads the firm’s Cambridge-based office, which opened in 1983. Under his leadership, the firm is making its mark by perpetuating the classic beauty of traditional New England architecture in structures created for today’s uses. Widely known as the architects for twelve of WGBH-TV/Boston’s “This Old House” projects, the work of Design Associates has been featured in magazines such as Preservation, Boston Magazine, House Beautiful, Home, This Old House, Cape Cod & Islands Home, Elle Decor and House & Garden. On Nantucket, Christopher Dallmus has been visibly involved in the Open Land Fund as the Design Associates’ principal-in-charge for the design of environmentally sensitive residential development sites, and successfully involved and gained full support of the Nantucket Conservation Foundation.

Before joining Design Associates, Christopher Dallmus worked with RTKL Associates, an architecture and planning firm in Baltimore. While with this firm Mr. Dallmus worked on numerous large retail, commercial, high-rise office, and urban design projects. Christopher Dallmus received a Bachelor of Design in Architecture at the University of Florida in 1975, and completed study at the Preservation Institute in Nantucket in 1979.

With his broad knowledge of preservation and historic buildings on Nantucket, Mr. Dallmus served on the board of Nantucket Preservation Trust from 2002 through 2008, and returned to the board in 2009 thru 2016. Christopher Dallmus has served on the Acton Historic District Commission from 1991through 1994. He also served on the Town of Acton Design Review Board, a group of architects, planners and landscape architects seeking to promote small scale, pedestrian-friendly development from 2009 through 2012.

He holds architectural registrations in Massachusetts, New Hampshire, Rhode Island, and Colorado, and through the National Council of Architectural Registration Boards (NCARB). He has been a Guest Lecturer at the Preservation Institute: Nantucket on the subject of restorative design, procedures, and techniques.

Mr. Dallmus is a frequent contributor to This Old House Magazine, commenting on various residential design topics. He has been a member of the Board of Directors of the Neighborhood Design Center of Baltimore, and the Board of Directors of the Big Brother Association of Cambridge/Somerville, and for three years was a Big Brother himself. Earlier in his architectural career, Mr. Dallmus served as a Vista Volunteer on a number of related inner city and rural Appalachia projects and for the Pittsburgh Architects Workshop, including feasibility studies for new infrastructure development, and community organizing for socioeconomic improvements.