How much do addition contractors typically cost?
- Groton, Massachusetts Average$59,380
- Typical Range$40,000 - $125,000
- Low End - High End$8,200 - $180,000

Deck or Porch - Build or Replace, New Homes / Family Room Additions / Garages / Remodels /Renovations
"Paul and Jay Built A 26x28 two car garage for us could not have found nicer people and more professional couple of guy's. From the foundation crew electrician and excavation everybody Paul deals with are to notch and all do the best work I have seen done. you hire O'Regan Construction he will be the only contractor will hire any more."
Don W. in December 2016
"I needed plans for a two-car garage of a certain size and roof pitch. I could not find stock plans of specifically what I wanted. Richard was very prompt and helpful, produced the plans and arranged for an engineer's stamp."
4EAD13B3B5C9E15BD3F1172F3A0CB83F68D9B7DAB1BD2D5895C7F395BC4C840C 1. in June 2026

Remodeling, Painting
"Claudiney and his team handled multiple aspects of our home remodel after we purchased it. They were responsible for all the interior and exterior painting, re-paneling, bathroom renovations, and plumbing work. Their performance was outstanding, and I continue to rely on them for ongoing projects. occasional projects that crops up. I can highly recommend Claudiney and his team."
155363D26428BF3F2254630939CFDDF6F415E1D426D69033C74DEC9EAB3CC70A 0. in August 2025
"We hired Pedro and his crew to renovate our basement and to say we are thrilled would be an understatement. Pedro and his crew were very professional throughout the whole project, went above and beyond and exceeded are expectations. We now have a basement that we love and the whole family enjoys!"
7011581F1861CF6A1B395A494C4AAC3FCBDD68082148A282DE089A8881D9D37E 4. in March 2026

In business since 2010
Foundation, Flatwork, construction management , and 2 more
About us: "Sublime Construction Corporation is the premier professional contracting company offering a wide variety of residential and commercial services to our clients in Essex County. We are known to pay exquisite attention to detail while making your satisfaction our number one priority. At Sublime Construction Corp, concrete mastery is our hallmark. From executing flawless footings and piers to constructing robust elevator pit walls, foundation walls, slab-on-grade and slab-on-decking installations, and expertly engineered concrete retaining walls, we are your dedicated partner in all things concrete. With a keen focus on precision and craftsmanship, we build not just structures but legacies of strength and durability in the construction industry. Please call us today to schedule your appointment with Massachusetts' true professionals at work for you!"
"I had an outstanding experience with Real Painting and could not be happier with the results. The painting looks fabulous, and the service was of the highest quality. I received quotes from four painters, and Carlos compared very favorably in both price and expertise. Carlos accommodated every request I had to make adjustments to my project and made himself available whenever I tried to reach him. He was extremely knowledgeable about which paints would work best for walls, cabinets, ceilings, and the moisture levels in each room, as well as ways he might work with me to maximize efficiency while reducing costs. His team was highly professional, courteous, and skilled. They carefully wrapped and taped my furniture and home items in every room, always removed their shoes when in carpeted areas, and took great care to protect my home throughout the process. Carlos was referred to me by my realtor, who has had him paint her properties twice. After seeing the excellent work he and his t"
36278EC84F36C34231325C3714E6AD6CAD9C49022757FAE96FAC414231036BCB 3. in April 2026

5 years experience
"The remodel is still in Phase 1....demolition, clean out,putting in new sewer lines and pouring foundation/footings.We are in close contact with Kevin and Marvin every step of the way.They have given many suggestions and presented options to us as we planned the remodel together.This is a huge undertaking, remodeling and redesigning a 100+ year house into a contemporary, multigenerational home. We are all excited and can't wait to see how it develops.We are at the framing stage...so stay tuned.This will be an incredible transformation!"
5B15DF4AF0956291E45AEE5AC2FF2BCDC96B69B3A2F71B30F91DBF8D605E7132 E. in November 2025
In business since 2021
About us: "Paper Street is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business. We are licensed and insured."

Additions, Garage Remodel, Basement Remodel , and 6 more
"Excellent quality and service I would use them again"
John S. in November 2023
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In most cases, the responses you get to these three questions will give you a very good idea of the right pro for your project. If you have more than one front-runner, these additional questions can help you narrow it down.
Any good contractor will answer these questions, and most will appreciate dealing with a client that takes such an active interest in finding good service. On the other hand, if a contractor gives you a hard time with these questions, you probably want to find someone else.
Groton Addition & Remodeling Contractors are rated 4.7 out of 5 based on 81 reviews of 81 pros.
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