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Find Basement remodelers in Waltham

Avatar for Russell Remodeling and Restoration
Russell Remodeling and Restoration
4.95(
33
)

Angi Approved

In business since 2010

Free estimates

Emergency services offered

"The quality of the work was excellent. They cleaned up the work area every day after they worked and we are very pleased with the deck post replacement and trim board wrapping of the posts. Highly recommend and would employ them again if needed."
19 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Level Enterprises, LLC
Level Enterprises, LLC
4.95(
21
)

Angi Approved

In business since 2023

Free estimates

Emergency services offered

"This was a dishwasher installation for a house that never had one. Dave G from Level contacted me promptly after requesting service, was courteous and provided a very competitive quote. He has great customer service and provided impeccable support. We would hire again "
7 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Top Finish Construction Inc.
Top Finish Construction Inc.
New to Angi

Angi Approved

In business since 2017

Free estimates

Warranties offered

We take great pride our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.\n

McCarthy Construction
4.98(
31
)

Angi Approved

In business since 2011

Free estimates

Customers say: Quality work

"Itâ s hard to find a GC who is highly skilled, fair and reasonable. With Cal, you have this plus someone who is honest and takes a great deal of pride in his work. And itâ s not just Cal and his crew, itâ s also his sub-contractors doing painting, flooring, etcâ ¦ We had a phenomenal experience with him and without hesitation recommend McCarthy Construction for anyone looking to do remodeling work in their home in the metro-west area. Thanks for making our dreams a reality!"
Recommended by100%of homeowners
Avatar for M Builders, LLC
M Builders, LLC
New to Angi

Angi Approved

In business since 2021

Free estimates

Our goal is to complete your project to perfection. We look forward to building long lasting relationships with the customers that we serve. We look forward to serving you. Call us today! You will not be disappointed. With 25+ years of experience in construction, Luis Matute and Rony Mendez, longtime friends, decided to put together their skills and found M Builders LLC. Luis holds a General Contractor license, Home improvement license, alongside with other licenses. He has an electrical company and has been supervising construction sites for years now. Rony Mendez, also has an Electrical License with multiple other licenses and has a Security Systems company. He has been supervising construction sites alongside with Luis for years. They have been working together for so long that they do not only consider each other business partners but also family. M Builders is coming to simplify construction for their clients in the State of Massachusetts.

Avatar for Taylor Made Contracting, LLC
Taylor Made Contracting, LLC
4.95(
19
)

Angi Approved

In business since 2003

Free estimates

Emergency services offered

"It was fantastic, great communication, excellent delivery of the products, offered many solutions at different price points, but he provided A,B,C version of how you can fix the problem. The were very clean, good craftsmanship, and very happy with result. The final result was better than expected and exceeded our expectation."
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for C Morcone Painting & Remodeling
C Morcone Painting & Remodeling
4.93(
61
)

Angi Approved

In business since 1989

Free estimates

Customers say: True professional

"Chris was efficient, professional, completed the work in a timely manner. Cleaned the attic during the work and after he finished. We had hired Chris for other projects,, and will hire him again, if we have work to be done. Project : replace old Insulation in attic,"
Recommended by95%of homeowners
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FAQs for basement remodeling projects in Waltham, 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 Waltham, MA homeowners’ guide to basement remodelings

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