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Find Basement remodelers in Nassau

Avatar for Elevated Home Improvements LLC

Elevated Home Improvements LLC

4.67(
12
)
Approved Pro

Elevated Home Improvements LLC

4.67(
12
)
Approved Pro
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
Free onsite estimate

We are a family owned business that pays attention to every little detail ensuring the projects come out flawless. Customer satisfaction is our top priority. Remodeling basements is our specialty, making a whole new living space out of your existing home! Please give us a call today!

"Vito and his crew finished our 800 sq foot basement and we couldn’t be happier with the job done. He walked us through each step and answered any and all questions along the way. Him and his crew were always punctual and professional. They didn’t stop until everything was perfect and they had our seal of approval. I can’t recommend them enough, we absolutely love our new space!"

Hilary S on July 2022

We are a family owned business that pays attention to every little detail ensuring the projects come out flawless. Customer satisfaction is our top priority. Remodeling basements is our specialty, making a whole new living space out of your existing home! Please give us a call today!

"Vito and his crew finished our 800 sq foot basement and we couldn’t be happier with the job done. He walked us through each step and answered any and all questions along the way. Him and his crew were always punctual and professional. They didn’t stop until everything was perfect and they had our seal of approval. I can’t recommend them enough, we absolutely love our new space!"

Hilary S on July 2022


"Brian was responsive at every stage of the project. He came out and showed he understood the project. Responded quickly with a project cost. The work was done professionally, and when it was agreed to be done."

patrick m on July 2025

Thank you for considering Capital Region & New England Home Repair. We are always prompt, courteous and professional. We have the experience and expertise to get your project done right the first time.

"Brian was responsive at every stage of the project. He came out and showed he understood the project. Responded quickly with a project cost. The work was done professionally, and when it was agreed to be done."

patrick m on July 2025


Regeneration Contracting, LTD

4.67(
18
)
Approved Pro

Regeneration Contracting, LTD

4.67(
18
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
11 years of experience

Thank you for choosing Regeneration Contracting. We are a locally owned and operated, full service construction company. Whether you are looking for someone to take care of your home maintenance needs or you are finally ready for that updated kitchen, bathroom or deck, we bring over thirty years construction knowledge and expertise to each and every project large or small.

"Derek Seiger was an absolute joy to work with! Not only was he reliable (showing up as promised), but the quality of his work is exceptional. He was pleasant and efficient and I would recommend him to anyone interested in good work done in a timely and professional manner."

Barbara M on October 2023

Thank you for choosing Regeneration Contracting. We are a locally owned and operated, full service construction company. Whether you are looking for someone to take care of your home maintenance needs or you are finally ready for that updated kitchen, bathroom or deck, we bring over thirty years construction knowledge and expertise to each and every project large or small.

"Derek Seiger was an absolute joy to work with! Not only was he reliable (showing up as promised), but the quality of his work is exceptional. He was pleasant and efficient and I would recommend him to anyone interested in good work done in a timely and professional manner."

Barbara M on October 2023


Avatar for Sterling Home Solutions, LLC

Sterling Home Solutions, LLC

4.00(
14
)
Approved Pro

Sterling Home Solutions, LLC

4.00(
14
)
Approved Pro
Customers say: Terrific value
27 local quotes requested
9 years of experience

Sterling is the area's #1 Sunroom and Basement Finishing company. We also specialize in Premium Custom Decks, Pergola and Retractable Awnings. We do projects in Albany, Schenectady, Rensselaer, Saratoga, and Warren Counties. We are BBB+ accredited. Sterling is not just our name but the level of quality that goes into every project!

"Na"

Tara S on June 2024

Sterling is the area's #1 Sunroom and Basement Finishing company. We also specialize in Premium Custom Decks, Pergola and Retractable Awnings. We do projects in Albany, Schenectady, Rensselaer, Saratoga, and Warren Counties. We are BBB+ accredited. Sterling is not just our name but the level of quality that goes into every project!

"Na"

Tara S on June 2024


Avatar for Radical Property Management

Radical Property Management

5.00(
10
)
Approved Pro

Radical Property Management

5.00(
10
)
Approved Pro
8 years of experience
Free onsite estimate

Radical Property Management provides snow removal and home renovation services for homeowners and property managers throughout New York. We’re known for fast response times, clean work, and straightforward communication. Whether it’s keeping your property safe during winter storms or handling interior renovation work, we show up prepared and get it done efficiently.

"Ayana, Ezra and the whole team were superb! Their communication and timely removal of snow during a snow storm were exemplary! Our experience gave us a calm state of mind in what could have been so stressful! Gratitude and more Gratitude Ayana & Ezra! Highly recommend!!!!!!!"

Rachelle B on January 2026

Radical Property Management provides snow removal and home renovation services for homeowners and property managers throughout New York. We’re known for fast response times, clean work, and straightforward communication. Whether it’s keeping your property safe during winter storms or handling interior renovation work, we show up prepared and get it done efficiently.

"Ayana, Ezra and the whole team were superb! Their communication and timely removal of snow during a snow storm were exemplary! Our experience gave us a calm state of mind in what could have been so stressful! Gratitude and more Gratitude Ayana & Ezra! Highly recommend!!!!!!!"

Rachelle B on January 2026


Avatar for TH Building Co

TH Building Co

New on HomeAdvisorNew on HomeAdvisor
Approved Pro

TH Building Co

New on HomeAdvisorNew on HomeAdvisor
Approved Pro
2026 years of experience
Free onsite estimate

I’ve been working in trades since I was a kid and have done a little bit of everything to include management and leadership along the way. My focus remains on quality, craftsmanship and the customer is treated fairly and respectfully.

I’ve been working in trades since I was a kid and have done a little bit of everything to include management and leadership along the way. My focus remains on quality, craftsmanship and the customer is treated fairly and respectfully.


Avatar for AA Construction

AA Construction

5.00(
1
)
Approved Pro

AA Construction

5.00(
1
)
Approved Pro
11 local quotes requested
11 years of experience

I focus on solving your specific problems, demonstrating unique value (experience, unique process, passion), proving reliability (communication, results), and building a strong relationship, proving you're not just another vendor but a partner who understands your goals.

"This is the best contractor I ever work with ,very professional, I would recommend to anyone, great pricing, quality workmanship "

_ _ on January 2026

I focus on solving your specific problems, demonstrating unique value (experience, unique process, passion), proving reliability (communication, results), and building a strong relationship, proving you're not just another vendor but a partner who understands your goals.

"This is the best contractor I ever work with ,very professional, I would recommend to anyone, great pricing, quality workmanship "

_ _ on January 2026


Avatar for MRM Construction Services LLC

MRM Construction Services LLC

5.00(
4
)
Approved Pro

MRM Construction Services LLC

5.00(
4
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
18 local quotes requested

With over 25 years of experience in residential improvements, we’ve built our reputation on a foundation of integrity, clear communication, and uncompromising quality. We specialize in high-end carpentry and comprehensive residential services, including additions, and kitchen, bathroom, and basement remodeling. We also offer seamless solutions for those looking to build their dream custom home from the ground up. We don’t just complete projects; we earn your trust through expert craftsmanship and by keeping you educated every step of the way. Ready to start? Take a look at our recent projects, book online, or give us a call today. We look forward to earning your business!

"Really responsible and diligent crew. Did excellent work. Definitely the best quote. Enjoyed working with them."

James N on April 2025

With over 25 years of experience in residential improvements, we’ve built our reputation on a foundation of integrity, clear communication, and uncompromising quality. We specialize in high-end carpentry and comprehensive residential services, including additions, and kitchen, bathroom, and basement remodeling. We also offer seamless solutions for those looking to build their dream custom home from the ground up. We don’t just complete projects; we earn your trust through expert craftsmanship and by keeping you educated every step of the way. Ready to start? Take a look at our recent projects, book online, or give us a call today. We look forward to earning your business!

"Really responsible and diligent crew. Did excellent work. Definitely the best quote. Enjoyed working with them."

James N on April 2025


Avatar for JAF Contracting

JAF Contracting

5.00(
5
)
Approved Pro

JAF Contracting

5.00(
5
)
Approved Pro
16 years of experience
Free onsite estimate

At JAF Contracting, we take pride in providing dependable roofing and home improvement services to Pittsfield and all of Berkshire County. Built on a foundation of craftsmanship, honesty, and reliability, we’re committed to helping homeowners protect and enhance their properties with quality work that lasts. Whether we’re installing a new roof, repairing storm damage, or tackling a full renovation, we treat every project with the same attention to detail and respect we’d expect for our own homes. Our team brings years of experience and a strong local reputation to every job, delivering results you can count on — on time and on budget. When you work with JAF Contracting, you're choosing a crew that values integrity, stands behind its work, and cares about the community we serve.

At JAF Contracting, we take pride in providing dependable roofing and home improvement services to Pittsfield and all of Berkshire County. Built on a foundation of craftsmanship, honesty, and reliability, we’re committed to helping homeowners protect and enhance their properties with quality work that lasts. Whether we’re installing a new roof, repairing storm damage, or tackling a full renovation, we treat every project with the same attention to detail and respect we’d expect for our own homes. Our team brings years of experience and a strong local reputation to every job, delivering results you can count on — on time and on budget. When you work with JAF Contracting, you're choosing a crew that values integrity, stands behind its work, and cares about the community we serve.


Avatar for ZONO CONSTRUCTION GROUP, LLC

ZONO CONSTRUCTION GROUP, LLC

5.00(
7
)
Approved Pro

ZONO CONSTRUCTION GROUP, LLC

5.00(
7
)
Approved Pro
Customers say: Quick response
5 years of experience
Free onsite estimate

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor Home Improvement services that are customizable to each individual project. We specialize in Additions and Basement Remodels, but also offer a wide range of expertise for a variety of other projects. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction!

"Brian and the Zono team completed a new ground-level deck and upper deck railing remodel & stairs for us. I found Brian to be a great partner during the design process, and I felt like we ended up with something that felt custom to our space and needs. The crew was friendly and showed care around our home. Best of all, we get to enjoy the deck as a family!"

Melia D on April 2025

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor Home Improvement services that are customizable to each individual project. We specialize in Additions and Basement Remodels, but also offer a wide range of expertise for a variety of other projects. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction!

"Brian and the Zono team completed a new ground-level deck and upper deck railing remodel & stairs for us. I found Brian to be a great partner during the design process, and I felt like we ended up with something that felt custom to our space and needs. The crew was friendly and showed care around our home. Best of all, we get to enjoy the deck as a family!"

Melia D on April 2025

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FAQs for basement remodeling projects in Nassau, NY

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 Nassau, NY homeowners’ guide to basement remodelings

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