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Find Basement remodelers in Charlestown

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

Serving Charlestown, 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
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+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 Charlestown, 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
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+10

Response time3 days
1 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for KINSELLABUILT
KINSELLABUILT
5.0(
33
)
Basement - Remodel

Serving Charlestown, MA and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"We were very pleased with Kinsella Built's craftsmanship and work ethic. We had an extensive job that required them to replace a rotted post that was structurally required to hold up the back porch. We were pleased with them so much that we had them come back for a basement remodel job. They maintained a great sense of humor while on the job. Best part is that they completely stand behind their work. : ) We are looking forward to having them come back soon!"
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+25

Response time7 hrs
Response rate100%
3 neighbors recently requested a quote
Avatar for ABALIA Construction, LLC
ABALIA Construction, LLC
4.9(
35
)
Basement - Remodel

Serving Charlestown, MA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"Khaled did a major renovation for our property, including kitchen, bathroom, basement, living room and deck. The house needed upgrading of heating system, electrical and plumbing. Khaled came highly recommended from our realtor who said that he did excellent work for her. From the moment we meet Khaled it was apparent he knew his stuff. He walked through the house examining the structure and construction, pointing out defects, areas of improvements, and possible approaches. When we started the actual demo and rebuilding, his crew was diligent and very capable. Khaled takes pride in his work and is honest and reasonable and I suggest asking for his input as he always has good ideas and vision. In this age of cost cutting, sloppy workmanship, and lack of integrity, Khaled stands out as an honest contractor who cares about his work. He doesnâ t cut corners and is through and careful. His crew is also trustworthy and hardworking. Bonus points to Khaled also for being funny, smart and charismatic. Yeah this is a paean of praise but in this case well warranted. Five stars for this excellent contractor."
Bathroom Remodel
addition
addition
addition
addition

+71

Response time2 days
Response rate92%
1 neighbors recently requested a quote
Avatar for Confido Builders LLC
Confido Builders LLC
5.0(
12
)
Basement - Remodel

Serving Charlestown, MA and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"I’ve worked with Confido Builders on several occasions and it’s always gone exceptionally well. The entire process was handled professionally and diligently. Confido is who I recommend all my friends and family to and I will continue to do so. 11/10!"
Custom Home - Metro West
Added bathroom off family room / kitchen addition
Tile niche in shower
Metro West Custom Home
14' island in new kitchen

+16

Response time40 mins
Response rate100%
Recommended by58%of homeowners
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FAQs for basement remodeling projects in Charlestown, 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 Charlestown, MA homeowners’ guide to basement remodelings

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