Chelmsford is located 24 miles northwest of Boston. A recent census reports 36,392 residents living in the town. In 2011 Chelmsford was voted the 28th best place to live in the United States by Money Magazine. The Town is known for many great family neighborhoods and a highly ranked school system. Accurate Masonry and Construction Has installed hundreds of patios, pool patios retaining/stone walls and chimneys making it the number one choice when choosing a local masonry and hardscaping company.