About Us

Our History

Based out of Lowell, MA, Merrimack Construction Group consists of a group of professionals, each dedicated to excellence in their specific discipline. MCG is owned and operated by the Shanahan family (of Lowell).

MCG Specializes in roof work within the commercial, industrial and private sectors but certainly does NOT stop there. Our group of interior and exterior professionals includes an interior designer who specializes in distinctive counter tops and ceramic tile floors, a construction team of framers, laborers and a drywall professional as well a master electrician and plumber. Our labor supervisor has spent 15 years specializing in millwork. The sort of quality craftsmanship required in order to custom build doors and windows for the uniquely sized frames in some of Lowell’s older historic houses. Of course; this level of craftsmanship is not reserved for only custom doors and windows. We do porches & Decks also! (see below – Recent work on a customer’s ocean-side home. The MCG team rebuilt and custom finished a once-dilapidated wrap-around porch.

The MCG Team serves all of Massachusetts, most of Rhode Island & Conneticut and southern New Hampshire and Vermont. Our team of professionals truly understand what the customer wants. We make every effort to simply get the job done without double talk, hidden costs and headaches. We are here to make a fair living while increasing the equity of your most valuable possession, your home (or business).



Browse our gallery for samples of our quality work and projects.