new construction

CUSTOM builDs

McGrath Construction provides new home construction services throughout Central Massachusetts for homeowners seeking quality craftsmanship and practical project management from a contractor who understands the entire building process. We coordinate every phase of construction, including excavation, foundations, framing, roofing, insulation, HVAC, plumbing, electrical, siding, finish work, and final completion.

Our approach to new construction focuses on realistic budgeting, honest communication, energy efficiency, structural integrity, and long-term performance. Whether building a custom home, detached garage, or accessory structure, we deliver projects designed for the demands of New England weather and built with attention to detail from the ground up.

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Newly build construction with ladders still in front of the structure
New building by McGrath Construction
Interior of a house under construction, showing exposed wooden framing, windows, and construction tools including saws and ladders.
A house under construction during sunset, partially covered with green Zip System sheathing, with a roof and multiple windows installed and ladders and construction equipment visible around the building.
Two-story house under construction with green sheathing and black trim, scaffolding and ladders at the front, roof partially finished, and vehicles and propane tanks in the yard.
Construction worker with McGRATH sweatshirt standing inside a house under construction, with a partially finished wall and large windows showing trees outside.
Interior of a house under construction with exposed wooden framing, a large arched window, a metal scaffold, and construction tools on the floor.

CUSTOM builds

ADDITIONS

McGrath Construction designs and builds high-quality home additions throughout Central Massachusetts, including family room additions, garage additions, second-story expansions, in-law spaces, and four-season rooms. We manage projects from excavation and foundation work through framing, roofing, insulation, HVAC, plumbing, electrical, finish carpentry, and final completion.

Every addition is planned with careful attention to structural integration, roof tie-ins, energy efficiency, and long-term durability. Our goal is to create additions that feel like a natural extension of the existing home while improving functionality, comfort, and property value.

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A person working on the exterior of a red house on Wachusett Mountain with a steeply pitched roof. Tools and ladders are set up around the house, and a large tree is nearby.
The image shows a house with a modern extension featuring large windows and a white framework. There is a small white chair on the ground outside the house. The ground appears rocky and uneven, with some patches of dirt. The sky is partly cloudy, and
A two-story house with brown siding and some blackened wood on the upper left section, surrounded by leafless trees, with a small wooden porch staircase and an air conditioning unit outside on the lower right.
Living room with large window wall and a wooden ceiling with recessed lighting, decorated for Christmas with a small decorated tree, beige armchairs, a dining table with white chairs, and a view of a backyard with trees.
Four-season sunroom addition to house with beige siding, large windows, a small deck with stairs, and skylights on the roof, surrounded by trees.
A two-story house with brown siding and large front windows, surrounded by trees with no leaves, indicating fall or winter. The house has a covered area on the ground floor with two white doors, and outdoor furniture including green chairs and a smal
A living room with large windows showing trees and a landscape outside. The room has wooden walls and ceiling, a sofa, chairs, a TV, a table with a floral tablecloth, a lamp, and assorted furniture and items, indicating ongoing home improvement or re

CUSTOM builds

REMODELS

McGrath Construction specializes in residential remodeling projects throughout Central Massachusetts, including whole-home renovations, structural remodeling, interior reconfiguration, kitchens, bathrooms, and exterior upgrades. We approach remodeling projects with practical construction knowledge and careful planning to ensure that new work integrates properly with the existing structure.

Our remodeling services are designed for homeowners who value quality workmanship, clean project management, and a contractor who is easy to work with throughout the process. From small updates to large-scale transformations, we focus on delivering durable, functional, and visually appealing results.

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Workers installing hardwood flooring in a room with a sloped ceiling and a large window, with tools on the floor.
Empty conference room at a commercial property with brown wooden flooring, white walls, LED recessed ceiling lights, framed portraits on the wall, windows, and a television mounted on the wall.
A woman with long black hair, wearing a maroon hoodie, blue jeans, and tan boots, standing inside a house with a new finished basement near a staircase with black railings and white decorative posts. There is a new gas insert.
Home office room built inside existing post and beam barn with wooden walls and flooring, two small windows, a door, and Fujitsu floor-mounted mini-split heating/cooling unit
Living room with glass sliding door leading to a backyard, staircase along right wall, white paneled walls, a covered piece of furniture, and wooden flooring.
Room with wooden built-in bookshelf, large wooden pillars, green walls, hardwood floor, and windows.
A person installing or repairing the stair railing of a staircase in a room with wooden floors and light blue walls, tools and supplies on the floor.
A red barn-style garage with green trim and two garage doors, surrounded by trees and a gravel driveway, under a blue sky.

CUSTOM builds

GARAGES

McGrath Construction builds custom garages throughout Central Massachusetts, including attached garages, detached garages, oversized storage garages, workshop spaces, and garage additions. We understand the structural, sitework, drainage, and roofing details required to build garages that perform well in New England conditions.

Whether the project involves excavation, concrete foundations, framing, overhead doors, electrical coordination, or exterior finishes, we approach every garage project with attention to detail and long-term durability in mind. Our team focuses on delivering clean, professional results with honest communication and reliable scheduling.

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A view of a house with a new attached garage on a cloudy day during fall, with trees and leaves on the ground.
A house under construction with beige vinyl siding, a gray shingled roof, and a sliding glass door. There are two men working, one on a ladder near the upper right corner and another on the ground to the left. The yard is unfinished with exposed dirt
A house under construction with a garage and a porch. The driveway is concrete, and there is a small construction cone in the foreground. The exterior walls are partially finished with siding, and the garage door is open, showing the unfinished inter
Construction workers building a house, siding being installed, ladders and tools around, an open garage or shed, trees and a blue sky in the background.
A yellow two-story house with a garage, white trim, and a pitched roof, situated in a yard with fallen leaves and a patch of snow, with a background of leafless trees and overcast sky.
A garage in a house with an open door, revealing tools and storage inside. The house has a red exterior with teal framing around the garage door. There are trees with fallen leaves on the ground, and exterior lights are on, indicating early evening o