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Find Basement remodelers in New Haven

Avatar for H & A HOME IMPROVEMENT LLC

H & A HOME IMPROVEMENT LLC

5.00(
5
)
Approved Pro

H & A HOME IMPROVEMENT LLC

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

At H & A HOME IMPROVEMENT LLC, we pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all the work we perform. We are experts and will always keep you educated about the work process. We look forward to earning your business.

"Was an overall good experience. Howard's expertise, skill and knowledge is unmatched. He was professional and his prices were reasonable. I would definitely recommend him for excellent affordable carpentry."

Shauntal E on April 2024

At H & A HOME IMPROVEMENT LLC, we pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all the work we perform. We are experts and will always keep you educated about the work process. We look forward to earning your business.

"Was an overall good experience. Howard's expertise, skill and knowledge is unmatched. He was professional and his prices were reasonable. I would definitely recommend him for excellent affordable carpentry."

Shauntal E on April 2024


Avatar for Home Renovation & Design, LLC

Home Renovation & Design, LLC

4.98(
23
)
Approved Pro

Home Renovation & Design, LLC

4.98(
23
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
35 years of experience

We have the experience and we are committed to providing quality workmanship and superior customer service on all our applications. We at Home Renovation & Design LLC, strive to maintain our reputation as a high quality, very service oriented company with our main focus being customer satisfaction. “When Quality, Service & Dependability matter” Call Tom Watson of Home Renovation & Design

"Tom took the time to understand what we wanted in our kitchen renovation and tailored it to our vision. He and his crew were extremely neat and kept a clean job site every day. The work was excellent and delivered on time. I would not hesitate to recommend Tom to my friends and family and have actually done so numerous times. Update: 12/09/2020 Tom and his crew did a wonderful job. They planned the timing well and were very neat and clean as they worked. I highly recommend Ton Watson. Update: 0322/2021: Very efficient clean install, very meticulous work."

Joe K on March 2021

We have the experience and we are committed to providing quality workmanship and superior customer service on all our applications. We at Home Renovation & Design LLC, strive to maintain our reputation as a high quality, very service oriented company with our main focus being customer satisfaction. “When Quality, Service & Dependability matter” Call Tom Watson of Home Renovation & Design

"Tom took the time to understand what we wanted in our kitchen renovation and tailored it to our vision. He and his crew were extremely neat and kept a clean job site every day. The work was excellent and delivered on time. I would not hesitate to recommend Tom to my friends and family and have actually done so numerous times. Update: 12/09/2020 Tom and his crew did a wonderful job. They planned the timing well and were very neat and clean as they worked. I highly recommend Ton Watson. Update: 0322/2021: Very efficient clean install, very meticulous work."

Joe K on March 2021


Avatar for JR General Contractor, LLC

JR General Contractor, LLC

4.83(
15
)
Approved Pro

JR General Contractor, LLC

4.83(
15
)
Approved Pro
Customers say: Quick response
16 years of experience
Free onsite estimate

JR General Contractor LLC, is committed to excellence every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

"Yes they did an excellent job"

Louise R on May 2025

JR General Contractor LLC, is committed to excellence every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

"Yes they did an excellent job"

Louise R on May 2025


J & P Restoration

5.00(
10
)
Approved Pro

J & P Restoration

5.00(
10
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
24 local quotes requested

We specialize in all phases of remodeling for your home, business, bathrooms, kitchens, finishing basements, doors, windows, custom decks, porches, and more! We offer a diverse range of services tailored to meet the unique needs of every customer. We take a personalized approach to each project. We work closely with our clients to understand their vision, preferences, and budgetary requirements. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!

"Spend less time waiting for a contractor to call you. Call J&P Restoration! They were real pro's at renovating my kitchen, creating a powder room and washer & dryer area. Work is of the highest quality taking all my needs into consideration."

barbara r on January 2025

We specialize in all phases of remodeling for your home, business, bathrooms, kitchens, finishing basements, doors, windows, custom decks, porches, and more! We offer a diverse range of services tailored to meet the unique needs of every customer. We take a personalized approach to each project. We work closely with our clients to understand their vision, preferences, and budgetary requirements. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!

"Spend less time waiting for a contractor to call you. Call J&P Restoration! They were real pro's at renovating my kitchen, creating a powder room and washer & dryer area. Work is of the highest quality taking all my needs into consideration."

barbara r on January 2025


Avatar for Custom Build and Remodeling, LLC

Custom Build and Remodeling, LLC

5.00(
7
)
Approved Pro

Custom Build and Remodeling, LLC

5.00(
7
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
17 local quotes requested

We are dedicated to providing our clients with the very best in excavation and building site services. We specialize in residential and commercial services and take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.

"We had a fantastic experience remodeling many aspects of our house: basement, attic, as well as electrical and plumbing. They went above and beyond with everything. Very trustworthy; the project was completed within budget and on time. A truly smooth experience. I would strongly recommend this contractor to everyone!"

Rebecca M on July 2025

We are dedicated to providing our clients with the very best in excavation and building site services. We specialize in residential and commercial services and take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.

"We had a fantastic experience remodeling many aspects of our house: basement, attic, as well as electrical and plumbing. They went above and beyond with everything. Very trustworthy; the project was completed within budget and on time. A truly smooth experience. I would strongly recommend this contractor to everyone!"

Rebecca M on July 2025


Avatar for Connecticut Basement Systems, Inc.

Connecticut Basement Systems, Inc.

4.67(
141
)
Approved Pro

Connecticut Basement Systems, Inc.

4.67(
141
)
Approved Pro
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
39 years of experience

Connecticut Basement Systems is your trusted expert for basement waterproofing, crawl space repair, basement finishing, and foundation repair. Using patented, warrantied products, we provide permanent solutions for your home. Have a wet, flooded basement or crawl space? Tilted or bowing foundation walls? A basement you want to finish? We have a solution. We proudly serve homeowners and businesses all throughout Connecticut & Westchester County, NY. Call us today for a free inspection and no-obligation, estimate. Financing available. Additional phones - (203) 881-5090. Award winning.

"Chuck Stofko was very informative. Was patient in answering all my questions. Spent along time with me reviewing the process and the steps needed to waterproof my basment. I highly recommend him."

Justin F on August 2023

Connecticut Basement Systems is your trusted expert for basement waterproofing, crawl space repair, basement finishing, and foundation repair. Using patented, warrantied products, we provide permanent solutions for your home. Have a wet, flooded basement or crawl space? Tilted or bowing foundation walls? A basement you want to finish? We have a solution. We proudly serve homeowners and businesses all throughout Connecticut & Westchester County, NY. Call us today for a free inspection and no-obligation, estimate. Financing available. Additional phones - (203) 881-5090. Award winning.

"Chuck Stofko was very informative. Was patient in answering all my questions. Spent along time with me reviewing the process and the steps needed to waterproof my basment. I highly recommend him."

Justin F on August 2023


Avatar for Dynamic Basements Plus

Dynamic Basements Plus

4.98(
59
)
Approved Pro

Dynamic Basements Plus

4.98(
59
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
12 years of experience

Whether its finishing your basement, adding on to your home, or giving your home a total makeover , we're here to help you every step of the way. Dynamic Basements Plus is an established company based in Connecticut, and has a great team of people who have been in the industry since 2002, so we really mean it when we say we're here to help you. Contact us by phone or email and schedule a free quote today!

"Working with Chris and the greater group of Dynamic Basement was an absolute pleasure. From day one, Chris went above and beyond. Starting nearly a year prior to starting our project, Chris was one of the only businesses to answer our initial quote questions. We were not ready at the time, but that did not stop Chris from continuing our conversations and answering our many questions. Fast forward a year later and selecting Chris and his team was the best decision we made. His attention to detail, genuine care and priority for meeting our vision and needs, and craftsmanship is only the tip of the iceberg when you work with Chris and each of the professionals he works with. We were so thankful for the clear and consistent communication, continued willingness to answer our questions (and there were many!), and how he treated us as friends rather than clients. Our finished basement is beyond our expectations, meeting our budget and timeline needs. Chris was able to work with us through every detail, never overlooking or disregarding what we wanted. My family and I highly recommend working with Chris and Dynamic Basements for exceptional quality!"

Dave W on October 2025

Whether its finishing your basement, adding on to your home, or giving your home a total makeover , we're here to help you every step of the way. Dynamic Basements Plus is an established company based in Connecticut, and has a great team of people who have been in the industry since 2002, so we really mean it when we say we're here to help you. Contact us by phone or email and schedule a free quote today!

"Working with Chris and the greater group of Dynamic Basement was an absolute pleasure. From day one, Chris went above and beyond. Starting nearly a year prior to starting our project, Chris was one of the only businesses to answer our initial quote questions. We were not ready at the time, but that did not stop Chris from continuing our conversations and answering our many questions. Fast forward a year later and selecting Chris and his team was the best decision we made. His attention to detail, genuine care and priority for meeting our vision and needs, and craftsmanship is only the tip of the iceberg when you work with Chris and each of the professionals he works with. We were so thankful for the clear and consistent communication, continued willingness to answer our questions (and there were many!), and how he treated us as friends rather than clients. Our finished basement is beyond our expectations, meeting our budget and timeline needs. Chris was able to work with us through every detail, never overlooking or disregarding what we wanted. My family and I highly recommend working with Chris and Dynamic Basements for exceptional quality!"

Dave W on October 2025


"Absolutely amazing. They were done in a week and turned my unfinished basement into a fully livable space!"

Katheryn C on July 2025

Give us a call or click to request a quote today! Plow and Property Projects LLC is your go-to remodeling expert in Hartford. With our exceptional craftsmanship and attention to detail, we transform homes into stunning spaces. Contact us today for all your remodeling needs.

"Absolutely amazing. They were done in a week and turned my unfinished basement into a fully livable space!"

Katheryn C on July 2025


Madonna Property Management

5.00(
1
)
Approved Pro

Madonna Property Management

5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
14 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.

"Steve and the crew did an excellent job on our retaining wall. Finished in a day and a half. Quality work, cleared stones from the grass. Raked the top soil. Highly recommend them!"

Beth B on July 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 the start to the completion of a project.

"Steve and the crew did an excellent job on our retaining wall. Finished in a day and a half. Quality work, cleared stones from the grass. Raked the top soil. Highly recommend them!"

Beth B on July 2024


C&C Quality Home Improvements

4.30(
93
)
Approved Pro

C&C Quality Home Improvements

4.30(
93
)
Approved Pro
Customers say: Terrific value
12 local quotes requested
23 years of experience

We are an interior renovations company. We have been in business for over 15 years. We have a strong focus on the quality of our work and strive to make each and every customer happy.

We are an interior renovations company. We have been in business for over 15 years. We have a strong focus on the quality of our work and strive to make each and every customer happy.

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FAQs for basement remodeling projects in New Haven, CT

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 New Haven, CT homeowners’ guide to basement remodelings

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