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Find Basement remodelers in Chelsea

Avatar for SILMAC Construction Inc.
SILMAC Construction Inc.
4.8(
216
)
Basement - Remodel

Serving Chelsea, 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
2 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Crystal Renovations LLC
Crystal Renovations LLC
4.9(
64
)
Basement - Remodel

Serving Chelsea, MA and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"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!"
Remodeling - General Project
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+10

Response time3 days
1 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for MMP Construction Inc
MMP Construction Inc
4.6(
222
)
Basement - Remodel

Serving Chelsea, MA and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Had to call them back for an area that had been missed, but they fixed it quickly. I did have them give me an estimate to remove a barn I had which I thought was far too high."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+154

1 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for WS Builders Corp
WS Builders Corp
4.1(
69
)
Basement - Remodel

Serving Chelsea, MA and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"The job was done very efficiently. Communication was effective. His company built a den, laundry and half bath, den and remodeled the kitchen and living room."
Addition
Basement renovation
Roof Renovation
KITCHEN REMODELING
2 and 3 Floor Addition

+75

Response time10 hrs
3 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for C P Construction and Carpentry
C P Construction and Carpentry
4.1(
47
)
Basement - Remodel

Serving Chelsea, MA and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"The value for money from C.P. Construction and Carpentry outstanding. Any issues that I had as they were doing the work they quickly rectified. I would definitely recommend them for any sort of remodeling work. We had a complete tear down and rebuild of two bathrooms, with the addition of a shower in one. Everything worked out well. They also tiled the floor in our kitchen and took care of some wall reconstruction in our laundry area."
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 RC Works
RC Works
4.9(
19
)
Basement - Remodel

Serving Chelsea, MA and surrounding areas

Approved

In business since 2018

Free estimates

Warranties offered

"I’ve done two major renovations with Andrey and his team. I couldn’t be happier with the results. They are responsive, patient, flexible and work in a timely manner. I have recommended this company to friends and family and would definitely use them again for future projects."
Finished 1
French drain all around the basement, 2 feet deep with perforated pipe and discharge drain well.
Basement waterproofing
Deck and retaining wall
Bathroom Renovation

+293

1 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Cowboy General Services, Inc.
Cowboy General Services, Inc.
5.0(
10
)
Basement - Remodel

Serving Chelsea, MA and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"Bruno and his team did an absolutely fantastic job at my new house. Started off just hiring him to do the interior painting, but ended up having him and his team do some tiling/kitchen backsplash, fireplace remodeling, front door and a laundry renovation. Him and his guys were extremely careful and efficient with their work. Cowboy General Services can truly do it all. I will definitely be hiring Bruno and his team again for my next home project!"
Kitchen original
Half bath
Half Bath
Bid board
Tile floor

+91

Response time4 hrs
6 neighbors recently requested a quote
Recommended by80%of homeowners
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Showing 1-10 of 280
FAQs for basement remodeling projects in Chelsea, MA

Finishing a basement turns unused square footage into livable space and returns up to 70% of what you spend when you sell your home. Beyond that resale boost, you gain a playroom, home office, or guest suite you can start enjoying right away. That mix of daily comfort and solid return on investment (ROI) makes basement finishing one of the smartest upgrades you can tackle.

In some parts of the country—especially lots on swamps, high water tables, or other wetlands—local codes prohibit basements. Saturated soil puts constant pressure on foundation walls and lets water seep in faster than any sump pump can handle. 

If your property sits on waterlogged ground, building on a slab or crawl space is often safer, more affordable, and code-compliant.

Most basements wrap up in four to eight weeks. Framing takes three to five days, with electrical and plumbing rough-ins following over the next week. Add five days for drywall, two to three for flooring, and another week for paint, trim, and punch-list items. 

Delays can happen if materials run late or your contractor’s calendar is packed, so build in a little cushion when you plan.

Whether a finished basement counts toward your home’s official square footage depends on local rules. Many areas only include below-grade space if it has code-approved egress, fully finished walls, ceilings, and floors, plus consistent heating. 

Check with your local assessor or building department before you start; meeting those standards can affect taxes, appraisals, and resale value.

Building codes require a checklist: dedicated heat and electrical service, a code-approved stairway, and at least one egress window or exterior door. Walls, ceilings, and floors must be fully finished and meet insulation, ventilation, and fire-separation standards. If you add a bedroom, you’ll also need a closet, proper clearances, and safe exits. If you change the layout later, be ready to update the space so every new room still meets today’s code.

The Chelsea, MA homeowners’ guide to basement remodelings

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