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Find Basement remodelers in Norwell

Alliance Group Builders LLC
5.00(
2
)

Angi Approved

In business since 2024

Free estimates

Customers say: Quick response

"This company is incredible to work with! They are very responsive, considerate, professional, and deliver high quality results. They go above and beyond to make sure your needs and expectations are met. They are extremely detailed oriented and thorough. They are fairly priced and took care of my home like it was their own. They have put in so much hard work and long hours on my project. Great communication every step of the way. I would recommend this company to everyone! Thank you guys for all your effort and hard work."
Recommended by50%of homeowners
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Avatar for Owens Corning Basement Finishing System
Owens Corning Basement Finishing System
4.83(
341
)

Angi Approved

Super Service Award Winner

In business since 1990

Free estimates

Customers say: True professional

"Ultimately everything went exactly as agreed. I am very happy with the work and the material we selected. The basement was mostly finished prior to the project, but we have noticed a huge improvement in the areas that were added and the all new flooring. The added electric was done professionally and it showed. The communication was fantastic with the project manager, who was responsive and courteous. I would recommend this addition or renovation to anyone who’s considering it. The value it adds to a home and to your lifestyle is worth every penny."
135 neighbors recently requested a quote
Recommended by78%of homeowners
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Avatar for Remodel or Renew Home Improvement
Remodel or Renew Home Improvement
4.80(
256
)

Angi Approved

In business since 2018

Free estimates

Emergency services offered

"Ill never use Angi again. There was no way to contact my installer. They never showed up for my job. I say call a local pro. At least they shoe up and appreciate your business. "
410 neighbors recently requested a quote
Recommended by91%of homeowners
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Coen Construction
4.05(
45
)

Angi Approved

In business since 2011

Free estimates

Warranties offered

"Nice owner, hack job crew. Hired to replace siding and trim. Manager of the project was fired a few times during work and it really shows. So many small details are either unfinished or poorly done. Amateur cuts on the trim left gaps and old trim was not prep for paint or just left unpainted. They also smeared silicone to cover screws on the front face of the shingles, the whole house looks like it's covered in bird droppings. Plus they also damaged the roof and electrical boxes. Who knows what other things they skipped on, left me with a time bomb of problems that will takes years to show. I would not recommend. "
137 neighbors recently requested a quote
Recommended by82%of homeowners
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Avatar for Jason DiGravio
Jason DiGravio
4.20(
33
)

Angi Approved

In business since 2010

Free estimates

Customers say: Quality work

"I would rate Jason and team a 5+. They were very responsive and competitively priced. Paying meticulous attention to detail. Delivered everything I asked for and more. "
17 neighbors recently requested a quote
Recommended by78%of homeowners
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Avatar for Loyd's Home Improvement
Loyd's Home Improvement
4.61(
23
)

Angi Approved

In business since 2008

Free estimates

Emergency services offered

"Harold & his crew, Charlie & Mike were awesome. Came to work on time. They listened to my wants & needs and came up with a plan that worked. Communicated with us through out the process. Their attention to detail was incredible. They went above & beyond their job description. I would highly recommend them on any renovations, they are very talented skilled laborers. It was a pleasure doing business with this company."
6 neighbors recently requested a quote
Recommended by91%of homeowners
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FAQs for basement remodeling projects in Norwell, 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 Norwell, MA homeowners’ guide to basement remodelings

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

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