Addition Contractors in Chelsea, MA
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Service Pros
"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
"We used RC to replace a porch roof. He completed the quote in a timely manner and the job was completed quickly. Would definitely use again!"
77A741F7C013D0DF2896B5C18AC1BD296C5872927BEC659B3077674766FC33DF 1. in October 2026
"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
Finish carpentry, Cabinet building and installation, Tile , and 1 more
"Efficient, friendly, professional, dedicated and highly attentive to detail. I could not be more pleased with my new granite bar counter and would hire them for my next project. They really prioritize the customer care and that the job gets done right. Pleasure to work with!"
Andrea C. in November 2022
"We hired Joe and team for a fairly extensive renovation of our basement level - adding walls, renovating bathrooms, etc. Joe is great to work with and very responsive. Renovation projects are hard but Joe was able to work within difficult time restraints and we would hire him again."
9B90295825AA9D31E5BD10ADD837D8D0488CB1B0D23BF797FBF8FB11D4B7457A 2. in October 2026
"The team showed up when they said and were fast but efficient."
8EC33AD76D01CCBFEBBF125A4D4FFFA421771F668CA03FDBCE28FC03179DA2E6 C. in December 2025
Additions, Garage Remodel, Basement Remodel , and 6 more
"Excellent quality and service I would use them again"
John S. in November 2023
"They had the job done fast, and at a good price!"
5C62E091B8C0565F1BAFAD0DAD5934276143AE2CCEF7A5381E8ADA5B1A8D26D2 E. in September 2026
"I recently had my shingle roof replaced and I?m very happy with the results. The team was professional, punctual, and completed the job efficiently. The quality of the work is excellent, and the new roof looks great. They kept the work area clean and communicated well throughout the process. I would definitely recommend them to anyone needing a roof replacement."
01C40F612736BA43A3D69F48BE813B7873B163B03ADDA786326EBB1D80B37326 D. in March 2026
Frequently asked questions
- It’s important that you verify their license is still in good standing. Also keep in mind that certain states or provinces don’t require licensing if the job is under a certain dollar amount.
- You can find a list of your state’s licensing requirements on the HomeAdvisor website. Before you get to work with the pro, make sure their qualifications are current and acceptable to you.
- It is always a good idea to get a copy of the pro’s insurance certificate for future records, and in case anything happens. This is a good way to feel more secure in your home project, and to weed out potential scammers.
HomeAdvisor makes it easy to connect with pros near you. You can read reviews, get quotes and book appointments all in one place.
Depending on the type of project, you may find subtle differences in the hiring process. Here’s a look at task-specific advice.
You can use HomeAdvisor to help evaluate a contractor’s qualifications. We put pros through a screening process, and award badges to high-performing contractors. You can find these badges on a pro’s HomeAdvisor profile, and sometimes, his or her website.
Your research doesn’t stop here. Once you’ve found a few prospective companies, make an call to ask a few questions about work history, licensure and more:
- Have you completed a job like this before?
- Do you have a list of references I can contact?
- When are you able to start the job?
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.
- How many years of experience do you have?
- What’s your permanent business address?
- Are you licensed to work in my area?
- When did you earn your business license?
- How do you handle warranty service complaints?
- Do you have worker’s compensation, property damage and personal liability insurance?
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.
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HomeAdvisor Community Rating
Chelsea Addition & Remodeling Contractors are rated 4.7 out of 5 based on 68 reviews of 68 pros.
The HomeAdvisor Community Rating is an overall rating based on verified reviews and feedback from our community of homeowners that have been connected with service professionals. See individual business pages for full, detailed reviews.
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