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Find Basement remodelers in Winchester

Avatar for Strong Builders, LLC
Strong Builders, LLC
5.0(
44
)

Serving Winchester, MA and surrounding areas

Angi Approved

In business since 1988

Free estimates

Customers say: Quick response

"We had Strong Builders do a full remodel of our kitchen. We couldn't be happier with the quality of the work, or the transparency that Jack provided throughout the entire process. Jack's the best and what he does, and we highly recommend!"
Rear Elevation
Great Room
Kitchen
Kitchen
Screened Porch

+123

Response time10 mins
Recommended by79%of homeowners
Avatar for Crystal Renovations LLC
Crystal Renovations LLC
5.0(
57
)

Serving Winchester, MA and surrounding areas

Angi 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
2 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Neary Construction
Neary Construction
4.9(
154
)

Serving Winchester, MA and surrounding areas

Angi Approved

In business since 1995

Free estimates

Emergency services offered

"Highly recommended!! Liam did a wonderful job with my closer repair. The room was gutted to the studs from a water leak and Liam put it back together beautifully. I’m very happy with his craftsmanship and excellent work. He was courteous, professional, and very skilled. I’d highly recommend his services!"
After a little framing is done we start closing up the walls
Another view of recess cabinet and vanity cabinet
This is the Bathroom before demo
Tiling done before final fixtures got installed
Corner shelves

+27

Response time1 day
3 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for LANCASTER HOME REMODELING
LANCASTER HOME REMODELING
5.0(
50
)

Serving Winchester, MA and surrounding areas

Angi Approved

Super Service Award Winner

In business since 2001

Free estimates

Warranties offered

"Working with John and his team was an absolute pleasure. I truly can't speak highly enough of their professionalism and dedication. Kim’s communication about John and the rest of the team was also outstanding—clear, timely, and helpful throughout. John stood out for his flexibility and responsiveness, always ready to answer questions or consider suggestions. Fortunately, our project only encountered a few minor curveballs, all of which were handled smoothly and confidently. What impressed me most was John’s pride in his work. One day, he noticed a small detail that most wouldn’t have caught—but it bothered him enough to rebuild it until it was perfect. That kind of care and commitment is exactly what you want in someone working on your home."
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+56

1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for HS General Contracting
HS General Contracting
5.0(
74
)

Serving Winchester, MA and surrounding areas

Angi Approved

In business since 2007

Free estimates

Warranties offered

"We recently hired HS General Contracting for multiple indoor and outdoor projects at our home. As always, Humberto's company provided excellent communication and follow up throughout the duration of the project. We highly recommend HS."
Bathroom remodeling - Newton, MA
Wooden Outdoor Bathhouse for Backyard
Bathroom remodeling
Kitchen Remodeling
She Shed

+53

Response time11 hrs
Response rate100%
Recommended by97%of homeowners
Avatar for MMP Construction Inc
MMP Construction Inc
4.7(
191
)

Serving Winchester, MA and surrounding areas

Angi Approved

In business since 2004

Free estimates

Emergency services offered

"We needed a skylight installed in our bathroom, and MMP did an excellent job--we are very happy with it! The team was friendly and worked quickly and efficiently to get it done before it got dark, and the quality of their work was excellent. Matt was very friendly and nice to communicate with as well, and always responded right away. I highly recommend MMP Construction to anyone looking for great quality work and excellent customer service."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+154

1 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Owens Corning Basement Finishing System
Owens Corning Basement Finishing System
4.8(
347
)

Serving Winchester, MA and surrounding areas

Angi Approved

Super Service Award Winner

In business since 1990

Free estimates

Credit card accepted

"Our existing Owens Corning wall panels had been damaged in a basement flood. Although the framework and panels had changed since our initial install some 20 years ago, they custom made new panels that fit perfectly. Additionally, they replaced interior doors and repaired drywall. The work was done on our schedule and done to our satisfaction. Their customer service was great. They came back out to adjust a door that wasn't closing perfectly."
Media Room Before
Media Room After
Games Room Before
Games Room After
Living Room Before

+81

Response time11 hrs
270 neighbors recently requested a quote
Recommended by76%of homeowners
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Showing 1-10 of 1283
FAQs for basement remodeling projects in Winchester, 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 Winchester, MA homeowners’ guide to basement remodelings

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