Nilsson + Siden Associates, Inc. (N+SA) is a multidisciplinary architectural firm located in Salem, Massachusetts. With LEED-accreditied staff, N+SA provides environmentally-conscious architectural/planning services for commercial, institutional, medical, and municipal projects. Sample project types include university athletic, classroom and housing facilities, hospital facilities and master planning, medical offices, laboratories, branch banks, museum renovations and urban planning. We pride ourselves on the quality of service and attention to detail every project receives.

Nilsson+Siden Associates Inc.
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N+SA Clients + Projects
262 Essex Street Salem, Massachusetts 01970 T: 978.741.5777 F: 978.741.0557