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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon51
    Verified basement remodels reviews

Top-Rated Basement remodelers in Winthrop - Updated Nov 2026

Avatar for SILMAC Construction Inc.
SILMAC Construction Inc.
4.8(
219
)
Basement - Remodel

Serving Winthrop, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2004

Free estimates

Warranties offered

"I hired Silmac construction to remodel my basement. They put in a three-quarter bath, kitchenette, and finished the rest of the basement. This included cutting foundation for full size windows, putting in a new zone for heating and cooling system, and all the plumbing and electrical work needed. They were very professional and did an excellent job. I have gotten many compliments on our basement and I will hire them again to do work on my house."
Final
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+11

Response time6 hrs
1 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Crystal Renovations LLC
Crystal Renovations LLC
4.9(
64
)
Basement - Remodel

Serving Winthrop, MA and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"Pedro is the best. Great price, finished on time and on budget. I would recommend him without hesitation. He finished my basement in record time and the quality of the finishing was top-notch. He's also an incredibly nice person to deal with."
Remodeling - General Project
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+10

Response time3 days
3 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Remodel or Renew Home Improvement
Remodel or Renew Home Improvement
4.6(
296
)
Basement - Remodel

Serving Winthrop, MA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"RORHI completed our basement renovation. They did fantastic work, and all the contractors were highly professional: the framers, the insulators, the drywallers, the electrician, and the finishers. They went above and beyond to accommodate some special requests, like installing a commercial dehumidifier and finishing the walls of the storage closet, which were not part of the original scope, which greatly enhanced the finished look. We had a great experience working with Evan, Mike, and Matt (the initial estimator), as well as Inmer (finishes and framing), Eddie (painter), and the electrician. Despite minor miscommunications leading to necessary changes, they promptly addressed our concerns, sending someone immediately or the following day to resolve issues. Overall, we were impressed by RORHI's dedication and responsiveness, and we plan to hire them again for our next projects."
Decks
Farmers Porch
Deck
Decks
Screened oom

+7

Response time12 hrs
Response rate95%
930 neighbors recently requested a quote
Avatar for Five Stars Remodeling
Five Stars Remodeling
4.7(
9
)
Basement - Remodel

Serving Winthrop, MA and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"Attention to detail is paramount to Five Stars Remodeling. My wife and I had specific plans and this company was able to deliver the plan beyond our expectations."
Response time1 day
3 neighbors recently requested a quote
Recommended by75%of homeowners
Avatar for Urbano Painting, Inc.
Urbano Painting, Inc.
4.9(
24
)
Basement - Remodel

Serving Winthrop, MA and surrounding areas

Approved

In business since 1990

Free estimates

Warranties offered

"This project was to paint trim and accessories after the house had been sided. It was a little complicated with a few different colors and different places to paint. There were a couple of times that they got confused, but they always were more than willing to correct any errors they made to my complete satisfaction. I will hire them again."
painting
painting
painting
painting
painting

+24

Response time4 hrs
Response rate89%
7 neighbors recently requested a quote
Avatar for C P Construction and Carpentry
C P Construction and Carpentry
4.1(
47
)
Basement - Remodel

Serving Winthrop, MA and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"Very knowledgeable and honest during the entire process. Kept me posted even when there was any issues. Excellent attention to details and listens to you when you have questions or new ideas during the project. Clod is very professional, always available by phone call or text. They did an amazing job remodeling my basement from getting permits to Completing the work with the city signing off on the job. I m very happy with the finished job. The work is excellent and beautiful. I now have a cozy, functional and beautiful finished basement. I trust their work and would gladly recommend them and will personally use them again."
close up view of tile job on shower
remodel a bathroom
remodel a bathroom
remodel a bathroom
bathroom

+20

Response time2 days
2 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for A-Z Finish Carpentry, LLC
A-Z Finish Carpentry, LLC
5.0(
12
)
Basement - Remodel

Serving Winthrop, MA and surrounding areas

Approved

In business since 2020

Free estimates

Small jobs welcome

"We hired Charles Draleau of A-Z Finish Carpentry as the contractor for a complete walkout basement renovation, including the family room, laundry room and unfinished basement areas. The renovation followed remediation for mold and asbestos. We definitely hired the right person, and could not be more pleased with the entire experience and end results! Charles was great at keeping me informed via text, so we always knew what was happening next. He did a great job coordinating all the work, from demolition, framing, insulating, plastering, plumbing, to installation of electrical wiring, windows, flooring, stairs, shelving and painting. This total basement transformation went along so smoothly, and weâ re so happy with the outcome. Charles is a perfectionist and hires workers, including plasterers, electricians, plumbers, and finish carpenters who also take great pride in their work. I highly recommend A-Z Finish Carpentry."
Our work
Our work
Our work
Our work
Our work

+41

Response time1 day
Response rate93%
7 neighbors recently requested a quote
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Basement Remodel FAQs, answered by experts

Basements are commonly converted into game rooms. The potential challenges you may run into include controlling moisture, working with low ceilings, limited natural light, and the need for additional electrical or HVAC work. Addressing these issues can add to the total cost, but it ensures a comfortable and functional space.

Building a bar in the basement will likely add value to your home, although it’s unlikely that you’ll see a significant return on investment (ROI) unless you plan on using the space for you and your guests. If you think you’ll use the area frequently, though, it’s probably worth the investment, and you should see a bump in value if or when you sell your property.

The average cost of remodeling a basement is $30 to $75 per square foot. If your space is unfinished and looks like it may need more help, use the higher number when calculating your estimated basement remodeling costs. A good rule of thumb is to add an additional 20% to the top of your estimate to cover any “what if” situations.

Physically, the most challenging part of finishing a basement is installing egress windows or doors when the space is below ground level. Mentally, the hardest part may be envisioning the project and planning around load-bearing and mechanical obstacles.

Basements with persistent moisture problems or flooding shouldn’t be finished until the moisture issues have been fixed. In addition, if your foundation is cracked, you have unmitigated radon levels, or you have asbestos or lead pipes, remediate the underlying problem before finishing your basement. Turning a basement into living space before fixing these issues can lead to serious health risks or structural damage. 

The Winthrop, MA homeowners’ guide to basement remodels

From average costs to expert advice, get all the answers you need to get your job done.