J M C Jason Mattison Contracting License #149669 Groton, MA 01450 December 6, 2021 Home Project Gallery Services Contact Us We are fully Licensed (#149669)and Insured Welcome At Jason Mattison Contracting, We provide your residential building and construction needs. From frame to finish or masonry, we can help improve your home. Centrally located in Groton, JMC provides local contracting services in the Middlesex and Central Massachusetts areas. JMC has over 20 years of carpentry experience. At JMC, we take pride of our workmanship to an above quality level. We are dedicated to providing superior quality, timeliness, and seamless customer service during every project, regardless of size and scope. Visit our Projects Gallery to see some completed projects such as hard wood floors. Click on picture to go to our Project Gallery Masonry Projects Interior Projects Exterior Projects