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Find Basement remodelers in Chelmsford

Avatar for Level Enterprises, LLC

Level Enterprises, LLC

4.95(
20
)
Approved Pro

Level Enterprises, LLC

4.95(
20
)
Approved Pro
Customers say: Quick response
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
2 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. Over 20 years of experience.

"We couldn't be happier with Dave's overhaul of our fireplace. His attention to detail, and commitment to excellence. We feel so lucky to have found him after another contractor flaked out on us. He came to the rescue & did whatever it took to get the job done on time and on budget. He is highly skilled and capable. Several times during the job he suggested things that would enhance the finished product. In doing so he created more work for himself. These upgrades probably added a full day of additional work. He didn't change the cost for the job, he just wants his customers to be happy. His attention to detail and cleanliness blew our minds. He spent a full day getting the room taped off to prevent dust from spreading throughout the house. A full day!?!? And it paid off when the work was done...we're not even hiring a cleaner. More than anything Dave's got a good heart, my wife and I genuinely enjoyed meeting and working with him. (Note: no AI was used in writing this review!)"

Matt S on December 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. Over 20 years of experience.

"We couldn't be happier with Dave's overhaul of our fireplace. His attention to detail, and commitment to excellence. We feel so lucky to have found him after another contractor flaked out on us. He came to the rescue & did whatever it took to get the job done on time and on budget. He is highly skilled and capable. Several times during the job he suggested things that would enhance the finished product. In doing so he created more work for himself. These upgrades probably added a full day of additional work. He didn't change the cost for the job, he just wants his customers to be happy. His attention to detail and cleanliness blew our minds. He spent a full day getting the room taped off to prevent dust from spreading throughout the house. A full day!?!? And it paid off when the work was done...we're not even hiring a cleaner. More than anything Dave's got a good heart, my wife and I genuinely enjoyed meeting and working with him. (Note: no AI was used in writing this review!)"

Matt S on December 2024


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
14 local quotes requested
36 years of experience

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.


Avatar for Merrimack Construction Group, Inc.

Merrimack Construction Group, Inc.

4.38(
26
)
Approved Pro

Merrimack Construction Group, Inc.

4.38(
26
)
Approved Pro
Customers say: Quick response
20 years of experience
Free onsite estimate

Merrimack Construction Group, Inc., a Massachusetts based residential and commercial construction company is dedicated to their reputation. The only way we know how to maintain this reputation is through straightforward, reasonable pricing for quality work. The reputation which we have built in the Greater Boston area is one of no nonsense and decent prices for a superior finish.

"Merrimack Construction Group Built a composite deck for us. The project was completed on time & within the budget quoted. Their team was very professional and polite. I'd strongly recommend Merrimack Construction to anyone looking for a dependable construction company. (weâ ve used them for two projects and we were very happy with the results of both)."

Erik H on December 2023

Merrimack Construction Group, Inc., a Massachusetts based residential and commercial construction company is dedicated to their reputation. The only way we know how to maintain this reputation is through straightforward, reasonable pricing for quality work. The reputation which we have built in the Greater Boston area is one of no nonsense and decent prices for a superior finish.

"Merrimack Construction Group Built a composite deck for us. The project was completed on time & within the budget quoted. Their team was very professional and polite. I'd strongly recommend Merrimack Construction to anyone looking for a dependable construction company. (weâ ve used them for two projects and we were very happy with the results of both)."

Erik H on December 2023


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


[RE]Architecting, LLC

New on HomeAdvisorNew on HomeAdvisor
Approved Pro

[RE]Architecting, LLC

New on HomeAdvisorNew on HomeAdvisor
Approved Pro
9 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 the start to the 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.

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 the start to the 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.


Avatar for Upper Room Construction Inc.

Upper Room Construction Inc.

5.00(
3
)
Approved Pro

Upper Room Construction Inc.

5.00(
3
)
Approved Pro
Customers say: Quick response
22 local quotes requested
2 years of experience

Our company welcomes you to experience a tradition of customer satisfaction that will exceed your greatest expectations. Our professionalism and quality craftsmanship will accurately reflect your tasks and lifestyle. We are known for our prompt service and superior attention to detail. You can count on us to get the job done right the first time. We will meet with you at your convenience and will not keep you waiting. Call us today for your free estimate. You will be pleased you did. Thank you! State Licenses Home Improvement Contractor #: 209950 EXP: 10/9/2025 Construction Supervisors #: CS-118825 EXP: 5/19/2027 Insurance General Liability EXP: 11/4/2025

"Ruben was a joy to work with. The quality of the work was top notch, and the entire process made us feel involved and secure that we were going to be very happy with the outcome. We remodeled two bathrooms, as well as a laundry room. Any time we had a question or needed guidance, Ruben was there to help with everything. I love how everything turned out, and the timeline was met as well. I would highly recommend for your remodel needs."

Debra O on March 2025

Our company welcomes you to experience a tradition of customer satisfaction that will exceed your greatest expectations. Our professionalism and quality craftsmanship will accurately reflect your tasks and lifestyle. We are known for our prompt service and superior attention to detail. You can count on us to get the job done right the first time. We will meet with you at your convenience and will not keep you waiting. Call us today for your free estimate. You will be pleased you did. Thank you! State Licenses Home Improvement Contractor #: 209950 EXP: 10/9/2025 Construction Supervisors #: CS-118825 EXP: 5/19/2027 Insurance General Liability EXP: 11/4/2025

"Ruben was a joy to work with. The quality of the work was top notch, and the entire process made us feel involved and secure that we were going to be very happy with the outcome. We remodeled two bathrooms, as well as a laundry room. Any time we had a question or needed guidance, Ruben was there to help with everything. I love how everything turned out, and the timeline was met as well. I would highly recommend for your remodel needs."

Debra O on March 2025


Ayotte Home Improvements

4.93(
67
)
Approved Pro

Ayotte Home Improvements

4.93(
67
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
60 local quotes requested

Ayotte Home Improvements is a fully licensed and insured remodeling/construction company. We offer free estimates and years of experience.Take a look at our website for some of our past projects.

"Bob was great- this was our first renovation as new homeowners and he helped us through the process, answering all of our questions and listening to what we wanted. We absolutely love the end result!"

John A on January 2025

Ayotte Home Improvements is a fully licensed and insured remodeling/construction company. We offer free estimates and years of experience.Take a look at our website for some of our past projects.

"Bob was great- this was our first renovation as new homeowners and he helped us through the process, answering all of our questions and listening to what we wanted. We absolutely love the end result!"

John A on January 2025


Avatar for Owens Corning Basement Finishing System

Owens Corning Basement Finishing System

4.83(
333
)
Approved Pro

Owens Corning Basement Finishing System

4.83(
333
)
Approved Pro
Super Service Award
Customers say: True professional
129 local quotes requested
35 years of experience

Lux Renovations, LLC exclusive provider of the Owens Corning Basement Finishing System, has been serving New England homeowners since 2002. Our dedication to customer experience and satisfaction has won us Owens Corning's top customer service ranking nationally for the last 17 years in a row. Something like that doesn't happen by accident. We are committed to insuring that all of our customers describe their experience with us as "the best contractor experience I ever had". If you are considering a basement finishing project please allow us to show you how Owens Corning has changed the industry with this unique system. A free consultation and design is always available.

"The team was great to work with. We finished 400 sqft of our basement with the full system. Our salesman and he covered all the topics, materials, costs, timelines and expectations very well. The crew doing the work was very professional, respectful and kept us updated of the progress and of any issues arose during installation that was outside of their control. Our PM provided guidance on decision ensuring code was met while getting the aesthetics we were looking for. Overall, I would work with them again for a large project like our basement."

Cesar C on November 2025

Lux Renovations, LLC exclusive provider of the Owens Corning Basement Finishing System, has been serving New England homeowners since 2002. Our dedication to customer experience and satisfaction has won us Owens Corning's top customer service ranking nationally for the last 17 years in a row. Something like that doesn't happen by accident. We are committed to insuring that all of our customers describe their experience with us as "the best contractor experience I ever had". If you are considering a basement finishing project please allow us to show you how Owens Corning has changed the industry with this unique system. A free consultation and design is always available.

"The team was great to work with. We finished 400 sqft of our basement with the full system. Our salesman and he covered all the topics, materials, costs, timelines and expectations very well. The crew doing the work was very professional, respectful and kept us updated of the progress and of any issues arose during installation that was outside of their control. Our PM provided guidance on decision ensuring code was met while getting the aesthetics we were looking for. Overall, I would work with them again for a large project like our basement."

Cesar C on November 2025

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FAQs for basement remodeling projects in Chelmsford, 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 Chelmsford, MA homeowners’ guide to basement remodelings

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