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  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon81
    Verified basement remodels reviews

Verified Reviews for Basement Remodel pros in Bath, NH

*The Angi rating for Basement Remodel companies in Bath, NH is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Remodel needs.

*The HomeAdvisor rating for Basement Remodel companies in Bath, NH is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Remodel needs.

Last update on December 11, 2025

Find Basement remodelers in Bath

Sonart Construction Corp.

1.50(
2
)
•Approved Pro

Sonart Construction Corp.

1.50(
2
)
•Approved Pro
2013 years of experience
Free onsite estimate

Sonart Construction Corp. has over15 years of experience in providing a variety of exterior and interior renovation services. We provide services to Palm Beach, Broward and Miami-Dade Counties.. We specialize in Bathroom Remodeling, Kitchen Remodeling, Flooring and the list goes on. Customer satisfaction is what determines our success, which is why we take a hands-on approach and keep the customer informed through every phase of the project. When interacting with our company, you'll notice that we're particularly focused on the principles of quality workmanship, timely completion, competitive pricing, and integrity in all our business dealings. We combine knowledge and research with our extensive practical experience to ensure a specialized approach for your renovation needs. Give us a call today!

"????? If I could give zero stars, I would Hiring this contractor was a nightmare from start to finish. The bathroom they delivered is so poorly done that I feel like I need to redo it entirely. They rely on subpar subcontractors with no professionalism or craftsmanship. ? Overpromise and underdeliver: I had to stay on top of every detail myself, doing the job the contractor was hired to manage. ? Unreliable: Never kept appointments or confirmed schedules. The only time they showed up on time was to collect payment. ? Unsafe practices: At one point, a subcontractor was cutting concrete inside the bathroom with a gas?powered tool, filling my entire home with smoke. I had to intervene to stop it and argue just to get basic protections like tarps in place. ? Poor management: Subcontractors openly complained about not being paid, and I even had to send one home myself because of unacceptable behavior. ? End result: Substandard work that does not reflect the money spent. Save yourself "

Kevork B on December 2025

Sonart Construction Corp. has over15 years of experience in providing a variety of exterior and interior renovation services. We provide services to Palm Beach, Broward and Miami-Dade Counties.. We specialize in Bathroom Remodeling, Kitchen Remodeling, Flooring and the list goes on. Customer satisfaction is what determines our success, which is why we take a hands-on approach and keep the customer informed through every phase of the project. When interacting with our company, you'll notice that we're particularly focused on the principles of quality workmanship, timely completion, competitive pricing, and integrity in all our business dealings. We combine knowledge and research with our extensive practical experience to ensure a specialized approach for your renovation needs. Give us a call today!

"????? If I could give zero stars, I would Hiring this contractor was a nightmare from start to finish. The bathroom they delivered is so poorly done that I feel like I need to redo it entirely. They rely on subpar subcontractors with no professionalism or craftsmanship. ? Overpromise and underdeliver: I had to stay on top of every detail myself, doing the job the contractor was hired to manage. ? Unreliable: Never kept appointments or confirmed schedules. The only time they showed up on time was to collect payment. ? Unsafe practices: At one point, a subcontractor was cutting concrete inside the bathroom with a gas?powered tool, filling my entire home with smoke. I had to intervene to stop it and argue just to get basic protections like tarps in place. ? Poor management: Subcontractors openly complained about not being paid, and I even had to send one home myself because of unacceptable behavior. ? End result: Substandard work that does not reflect the money spent. Save yourself "

Kevork B on December 2025

Avatar for Mountain Rhinos Construction LLC

Mountain Rhinos Construction LLC

New on AngiNew on Angi
•Approved Pro

Mountain Rhinos Construction LLC

New on AngiNew on Angi
•Approved Pro
2025 years of experience
Free onsite estimate

Customer satisfaction is what determines our success, which is why we take a hands-on approach. When interacting with Mountain Rhinos Construction LLC, you'll notice that we're particularly focused on the principles of quality workmanship, timely completion, competitive pricing and integrity in all our business dealings. We combine knowledge and research with our extensive practical experience to ensure a specialized approach for your project needs. Contact us today for a fair and accurate estimate of your project. We look forward to adding you to our long and growing list of happy customers.

Customer satisfaction is what determines our success, which is why we take a hands-on approach. When interacting with Mountain Rhinos Construction LLC, you'll notice that we're particularly focused on the principles of quality workmanship, timely completion, competitive pricing and integrity in all our business dealings. We combine knowledge and research with our extensive practical experience to ensure a specialized approach for your project needs. Contact us today for a fair and accurate estimate of your project. We look forward to adding you to our long and growing list of happy customers.

Avatar for Sentri Homes

Sentri Homes

New on AngiNew on Angi
•Approved Pro

Sentri Homes

New on AngiNew on Angi
•Approved Pro
2023 years of experience
Free onsite estimate

Sentri Homes is a full-service contractor delivering high-end home additions, whole-home remodels, new custom builds, luxury kitchens, structural framing, roof replacements, and every major renovation. We assign a dedicated project manager to every job, deliver meticulous craftsmanship with clear communication, and back our work with an industry-leading warranty to ensure complete peace of mind on your largest investments. Our in-house team of licensed builders and master craftsmen consistently earns 5-star reviews by turning big visions into stunning, high-value homes—when you need one trusted partner who truly does it all, we’re the proven choice.

Sentri Homes is a full-service contractor delivering high-end home additions, whole-home remodels, new custom builds, luxury kitchens, structural framing, roof replacements, and every major renovation. We assign a dedicated project manager to every job, deliver meticulous craftsmanship with clear communication, and back our work with an industry-leading warranty to ensure complete peace of mind on your largest investments. Our in-house team of licensed builders and master craftsmen consistently earns 5-star reviews by turning big visions into stunning, high-value homes—when you need one trusted partner who truly does it all, we’re the proven choice.

Avatar for J. Lance LLC-Exterior & Interior Door Installation

J. Lance LLC-Exterior & Interior Door Installation

4.94(
36
)

J. Lance LLC-Exterior & Interior Door Installation

4.94(
36
)
Customers say: Quick response
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers

J. Lance, LLC is a fully insured home renovation and repair business servicing residential and commercial properties in central and eastern Massachusetts and surrounding neighborhoods. With over 15 years of skilled construction experience, our company provides free consultations and estimates for any size project. No job is too small for J. Lance, LLC! We will work with you to provide the best quality renovation and repair to meet your budget and needs. Give us a call today.

"Very pleased with the work done by Jonathan Fiske. Jonathan delivered the door which we painted ourselves. When it was ready, Jonathan came out within a few days and installed the frame, door and moldings in one day. He also replaced the alarm sensor, made sure proper flashing was installed and took the old door away. He answered all questions that we had. It was a pleasure working with him and would recommend him to others."

Donna & Larry D on November 2022

J. Lance, LLC is a fully insured home renovation and repair business servicing residential and commercial properties in central and eastern Massachusetts and surrounding neighborhoods. With over 15 years of skilled construction experience, our company provides free consultations and estimates for any size project. No job is too small for J. Lance, LLC! We will work with you to provide the best quality renovation and repair to meet your budget and needs. Give us a call today.

"Very pleased with the work done by Jonathan Fiske. Jonathan delivered the door which we painted ourselves. When it was ready, Jonathan came out within a few days and installed the frame, door and moldings in one day. He also replaced the alarm sensor, made sure proper flashing was installed and took the old door away. He answered all questions that we had. It was a pleasure working with him and would recommend him to others."

Donna & Larry D on November 2022

Avatar for Northeast Remediation

Northeast Remediation

4.87(
23
)

Northeast Remediation

4.87(
23
)
Customers say: Quick response
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers

Northeast Remediation and Remodeling LLC is a full service environmental abatement company that safely removes lead paint and mold from residential and commercial properties throughout Massachusetts. Also specializing in window replacements and remodeling, Northeast Remediation can manage all aspects of the job you are looking to have performed.

"Northeast Remediation performed deleading on my home, involving replacement of windows and the garage door. The house passed re-inspection for full compliance as soon as they were finished. The only issue was that they had problems getting one of their suppliers to provide a custom sized replacement garage door in a timely manner. This delayed fully completing the job by about a month while they found a different supplier. However, they were generally very responsive with communication and the work quality was good so I would not hesitate to use them again."

Eric B on April 2018

Northeast Remediation and Remodeling LLC is a full service environmental abatement company that safely removes lead paint and mold from residential and commercial properties throughout Massachusetts. Also specializing in window replacements and remodeling, Northeast Remediation can manage all aspects of the job you are looking to have performed.

"Northeast Remediation performed deleading on my home, involving replacement of windows and the garage door. The house passed re-inspection for full compliance as soon as they were finished. The only issue was that they had problems getting one of their suppliers to provide a custom sized replacement garage door in a timely manner. This delayed fully completing the job by about a month while they found a different supplier. However, they were generally very responsive with communication and the work quality was good so I would not hesitate to use them again."

Eric B on April 2018

Avatar for Lenzi Construction & Remodeling LLC

Lenzi Construction & Remodeling LLC

4.86(
21
)

Lenzi Construction & Remodeling LLC

4.86(
21
)
Customers say: Quick response
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers

Lenzi Construction has been serving NH and MA since 1999. We communicate with our customers daily to keep them updated. Our quality is like not other. We treat your house like our own. Are you looking for a perfect outdoor living space, custom deck, new windows, or siding?. We only have the highest quality with the best materials in the industry. Call us for a Free consultation.

Lenzi Construction has been serving NH and MA since 1999. We communicate with our customers daily to keep them updated. Our quality is like not other. We treat your house like our own. Are you looking for a perfect outdoor living space, custom deck, new windows, or siding?. We only have the highest quality with the best materials in the industry. Call us for a Free consultation.

Avatar for Basement Systems of New Hampshire Inc

Basement Systems of New Hampshire Inc

4.44(
45
)

Basement Systems of New Hampshire Inc

4.44(
45
)
Customers say: True professional
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers

All Things Basementy! Basement Systems Of NH Is Today One Of The Largest Basement Waterproofing, Basement Foundation Repair And Basement Finishing Contractors In New Hampshire And Massachusetts. We Are Family Owned And Committed To 100% Customer Satisfaction. We Pride Ourselves On Our Wide Variety Of Systems - Each Designed To Repair And Upgrade Your Basement, Crawl Space, Or Foundation. Call Us Today To Schedule a Free Estimate!

All Things Basementy! Basement Systems Of NH Is Today One Of The Largest Basement Waterproofing, Basement Foundation Repair And Basement Finishing Contractors In New Hampshire And Massachusetts. We Are Family Owned And Committed To 100% Customer Satisfaction. We Pride Ourselves On Our Wide Variety Of Systems - Each Designed To Repair And Upgrade Your Basement, Crawl Space, Or Foundation. Call Us Today To Schedule a Free Estimate!

Avatar for Casella Construction & Cleaning Services Inc

Casella Construction & Cleaning Services Inc

4.47(
36
)

Casella Construction & Cleaning Services Inc

4.47(
36
)
Customers say: Quality work
2001 years of experience

Green Cleaning Services - Move In And Move Out Cleaning. - Casella Cleaning Services is a family operated company providing Residential and Commercial Cleaning Services serving the greater Boston, MA and Southern, NH area since 2001. We are fully bonded fully insured and full Licensed. Casella Cleaning Services will meet all of your projects needs whether it be a small Job or Full Home Cleaning Project on a daily, nightly, weekly or monthly schedule and we have the ability to customize a program specifically for you.

"They took our money during hurricane Ian. Didn’t finish the work. We are out $13,000. He has since opened under 2 more different names. True Florida construction and Casella construction. Beware!"

Linda S on March 2025

Green Cleaning Services - Move In And Move Out Cleaning. - Casella Cleaning Services is a family operated company providing Residential and Commercial Cleaning Services serving the greater Boston, MA and Southern, NH area since 2001. We are fully bonded fully insured and full Licensed. Casella Cleaning Services will meet all of your projects needs whether it be a small Job or Full Home Cleaning Project on a daily, nightly, weekly or monthly schedule and we have the ability to customize a program specifically for you.

"They took our money during hurricane Ian. Didn’t finish the work. We are out $13,000. He has since opened under 2 more different names. True Florida construction and Casella construction. Beware!"

Linda S on March 2025

Andrew J Richter General Carpentry

5.00(
4
)

Andrew J Richter General Carpentry

5.00(
4
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Owner operated. Uses subs for labor if work is for more than one person. Cost is determined by the job. Travel charges may apply if over a hour drive. No service charges. No extra charge for after hours service. May contact through email.

Owner operated. Uses subs for labor if work is for more than one person. Cost is determined by the job. Travel charges may apply if over a hour drive. No service charges. No extra charge for after hours service. May contact through email.

Avatar for Gallagher Construction LLC

Gallagher Construction LLC

5.00(
8
)

Gallagher Construction LLC

5.00(
8
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Gallagher construction is a building company serving the state of New Hampshire. We do not subcontract our jobs. $300 off any project contracted over $2500! Just mention Angie's list

Gallagher construction is a building company serving the state of New Hampshire. We do not subcontract our jobs. $300 off any project contracted over $2500! Just mention Angie's list

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FAQs for basement remodel projects in Bath, NH

Unless you have extensive experience in construction work, remodeling a basement is best left to a professional. There are several tasks associated with this project that require exact precision, including:

  • Replacing insulation 

  • Replacing carpet or other flooring 

  • Adding heating and cooling

  • Adjusting or adding walls and doors

  • Altering or adding plumbing elements

If any of these elements is done incorrectly, it could severely impact the quality of your basement remodel and be dangerous. Changing a basement often comes with code safety requirements, like egress windows and proper ventilation. Therefore, leaving it up to a professional is often the best decision.

The cost to finish a basement is $18,400 for the average homeowner. However, this cost could be as little as $2,800 or as much as $34,500, depending on the basement size and the materials needed. If your basement is already outfitted with electrical and plumbing, expect the cost to fall on the lower end. 

For example, the drywall cost for this project averages around $1,750, but other features, like hiring a plumber, cost between $45 and $200 per hour.

The cost to remodel a basement is between $12,100 and $33,400 for the average homeowner. The price you pay can be as little as $3,500 or as much as $50,200, depending on the size and condition of your basement and the type of remodel you're doing. 

If you're doing a simple project like adding a home office to your basement, you can expect to pay anywhere from $500 to $3,000. However, if you're adding a bathroom, which is an extensive project, you can expect to pay between $6,600 to $16,500.

Since DIYing a basement remodel isn't typically advised, there are some ways that you can still save money on this project without putting yourself in danger. Some ways to save money on a basement remodel include:

  • Painting walls yourself versus including in the cost of the remodel 

  • Installing light fixtures yourself

  • Choosing prefabricated fixtures, like cabinets, over custom ones

  • Choosing a budget-friendly flooring option, like laminate or vinyl flooring, and add rugs where necessary

Although homeowners often use the terms basement remodeling and basement finishing interchangeably, they are quite different terms. 

Finishing a basement is the process of taking a basement space that is not habitable and adding elements to make it usable. This includes adding plumbing, flooring, and insulation.

Remodeling a basement means taking an already existing finished basement and changing it, often by adding or removing walls, adding plumbing, or changing the existing flooring.

The Bath, NH homeowners’ guide to basement remodels

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

See all articles