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Find Basement remodelers in Winchester

Avatar for Top Finish Construction Inc.

Top Finish Construction Inc.

New on HomeAdvisorNew on HomeAdvisor
Approved Pro

Top Finish Construction Inc.

New on HomeAdvisorNew on HomeAdvisor
Approved Pro
8 years of experience
Free onsite estimate

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.

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.


"They showed up when they said they would and finished the job also when they said it would ."

Steven M on June 2021

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"They showed up when they said they would and finished the job also when they said it would ."

Steven M on June 2021


McCarthy Construction

4.98(
31
)
Approved Pro

McCarthy Construction

4.98(
31
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
14 years of experience

McCarthy Construction has been in business since 2011. We are always prompt, courteous and professional. We have the experience and expertise to get your project done right the first time!

"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!"

Jennifer O on September 2022

McCarthy Construction has been in business since 2011. We are always prompt, courteous and professional. We have the experience and expertise to get your project done right the first time!

"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!"

Jennifer O on September 2022


Avatar for Total Basement Finishing, a Blackdog Affiliate

Total Basement Finishing, a Blackdog Affiliate

5.00(
1
)
Approved Pro

Total Basement Finishing, a Blackdog Affiliate

5.00(
1
)
Approved Pro
36 years of experience
Free onsite estimate

Total Basement Finishing, A Blackdog Affiliate serves the Greater Lowell area of Massachusetts and New Hampshire with basement finishing and basement remodeling. Finishing your previously unused basement gives you additional space in your home and so much more. It offers you a rare opportunity to exploit your creative side through the design process. And ultimately, you will transform a dark, uninviting space into a room that adds value and comfort to your home, making it an integral part of your family’s daily life.

Total Basement Finishing, A Blackdog Affiliate serves the Greater Lowell area of Massachusetts and New Hampshire with basement finishing and basement remodeling. Finishing your previously unused basement gives you additional space in your home and so much more. It offers you a rare opportunity to exploit your creative side through the design process. And ultimately, you will transform a dark, uninviting space into a room that adds value and comfort to your home, making it an integral part of your family’s daily life.


Avatar for M Builders, LLC

M Builders, LLC

New on HomeAdvisorNew on HomeAdvisor
Approved Pro

M Builders, LLC

New on HomeAdvisorNew on HomeAdvisor
Approved Pro
4 years of experience
Free onsite estimate

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.

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.


Charles C Murphy

New on HomeAdvisorNew on HomeAdvisor
Approved Pro

Charles C Murphy

New on HomeAdvisorNew on HomeAdvisor
Approved Pro
44 years of experience
Free onsite estimate

At The Murphy Group, we help you make the home you live the house of your dreams. We specialize updating and redesigning properties in general. We deliver quality workmanship for your home or business. We can help you achieve all the remodeling goals that you and your family desire. Tell us what you want, and how you want it. We custom design and build almost anything that you can think of. Give us the basics and we will make it come true. www.themurphygrp.com

At The Murphy Group, we help you make the home you live the house of your dreams. We specialize updating and redesigning properties in general. We deliver quality workmanship for your home or business. We can help you achieve all the remodeling goals that you and your family desire. Tell us what you want, and how you want it. We custom design and build almost anything that you can think of. Give us the basics and we will make it come true. www.themurphygrp.com


Mavridis Contracting Services

5.00(
14
)
Approved Pro

Mavridis Contracting Services

5.00(
14
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
27 years of experience

Mavridis Contracting Services, Inc fully licensed and insured company has been in business for over 20 years servicing all your home improvements and general contracting needs. We specialize in all aspects of home remodeling, additions and decks. We provide craftmanship work, attention to detail and professionalism.

"I wanted a shower expanded. George Mavridis's estimate was very competitive but I hired him because I knew he was honest, quality focused and an open communicator. He has a small crew and excellent subs so he's not super fast. But Mavridis is excellent. One example: The shower needed a new fan, vented through the attic roof. The attic boards were all cut (before my time) in half when insulation was installed. The attic floor was unstable and unsafe. George was very busy but he had his team replace the boards with plywood panels...for 20% less than I expected. Why? Because he wanted to make sure I would be happy when the job was done. I could give 4-5 other examples but you get the point. If you hire George, you'll be pleased."

paul g on March 2024

Mavridis Contracting Services, Inc fully licensed and insured company has been in business for over 20 years servicing all your home improvements and general contracting needs. We specialize in all aspects of home remodeling, additions and decks. We provide craftmanship work, attention to detail and professionalism.

"I wanted a shower expanded. George Mavridis's estimate was very competitive but I hired him because I knew he was honest, quality focused and an open communicator. He has a small crew and excellent subs so he's not super fast. But Mavridis is excellent. One example: The shower needed a new fan, vented through the attic roof. The attic boards were all cut (before my time) in half when insulation was installed. The attic floor was unstable and unsafe. George was very busy but he had his team replace the boards with plywood panels...for 20% less than I expected. Why? Because he wanted to make sure I would be happy when the job was done. I could give 4-5 other examples but you get the point. If you hire George, you'll be pleased."

paul g on March 2024


Avatar for CMJ General Contractor Inc

CMJ General Contractor Inc

5.00(
1
)
Approved Pro

CMJ General Contractor Inc

5.00(
1
)
Approved Pro
3 years of experience
Free onsite estimate

CMJ is a locally owned and operated construction company built on honesty, integrity, and craftsmanship. We treat every home as if it were our own, delivering remodeling and renovation services that combine quality, value, and lasting beauty. We offer a full range of General Contracting and Home Improvement services, customized to meet the needs of each project. Our expertise includes home additions, kitchen and bathroom remodels, full-home renovations, and custom upgrades. At CMJ, we take pride in our superior workmanship and our commitment to customer satisfaction. We aim to build lasting relationships with our clients through clear communication, reliable service, and exceptional results on every job. CMJ — transforming houses into homes with quality you can trust.

"We have used Josh in 3 different homes for l kitchen, bathroom, and basement remodeling. Outstanding work!!!!"

Allen D on October 2025

CMJ is a locally owned and operated construction company built on honesty, integrity, and craftsmanship. We treat every home as if it were our own, delivering remodeling and renovation services that combine quality, value, and lasting beauty. We offer a full range of General Contracting and Home Improvement services, customized to meet the needs of each project. Our expertise includes home additions, kitchen and bathroom remodels, full-home renovations, and custom upgrades. At CMJ, we take pride in our superior workmanship and our commitment to customer satisfaction. We aim to build lasting relationships with our clients through clear communication, reliable service, and exceptional results on every job. CMJ — transforming houses into homes with quality you can trust.

"We have used Josh in 3 different homes for l kitchen, bathroom, and basement remodeling. Outstanding work!!!!"

Allen D on October 2025


Avatar for ACQ Home Improvement

ACQ Home Improvement

4.94(
8
)
Approved Pro

ACQ Home Improvement

4.94(
8
)
Approved Pro
Customers say: Quick response
25 years of experience
Free onsite estimate

With over 20 yrs of experience, ACQ Home Improvement is dedicated to providing our customers with the best quality at a great price. In addition, we are here to build relationships with our customers and communities and provide our employees with a great place to work. We look forward to working with you!

"Jeremy and crew are professional, and expert at what they do. Very customer focused and back their work 100 percent. It was a pleasure working with them"

Curt C on March 2023

With over 20 yrs of experience, ACQ Home Improvement is dedicated to providing our customers with the best quality at a great price. In addition, we are here to build relationships with our customers and communities and provide our employees with a great place to work. We look forward to working with you!

"Jeremy and crew are professional, and expert at what they do. Very customer focused and back their work 100 percent. It was a pleasure working with them"

Curt C on March 2023


Stephen Martin Ryan

5.00(
3
)
Approved Pro

Stephen Martin Ryan

5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
5 years of experience

We take great pride in 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 start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Highly recommend! Excellent work, excellent price, excellent everything! No issues. Stephen and his colleagues could not have been nicer, more flexible, more accommodating and more tolerant with all the special whims and requests of these homeowners!"

Verena G on May 2024

We take great pride in 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 start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Highly recommend! Excellent work, excellent price, excellent everything! No issues. Stephen and his colleagues could not have been nicer, more flexible, more accommodating and more tolerant with all the special whims and requests of these homeowners!"

Verena G on May 2024

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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.