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Find Basement remodelers in Nassau

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
10 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
23 local quotes requested
8 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 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
11 local quotes requested

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


Avatar for All Decked Out

All Decked Out

5.00(
1
)
Approved Pro

All Decked Out

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

We work extremely hard for the owner and always have the owner's best interest at heart. Our long term vision is for us to become a go to general contractor with capabilities to do multiple types of projects.

"Very efficient. High quality work at a great price. Would hire again"

Nate E on December 2025

We work extremely hard for the owner and always have the owner's best interest at heart. Our long term vision is for us to become a go to general contractor with capabilities to do multiple types of projects.

"Very efficient. High quality work at a great price. Would hire again"

Nate E on December 2025


"We needed a wall removed and a finished area in our basement. This crew was responsive diligent and always made us feel comfortable discussing the project. We were very happy with the result "

Ashley F on August 2025

General Contracting Big jobs or small jobs, all jobs are accepted! Repairs, basements, kitchens, bathrooms, home theater and much more.. We do it all!

"We needed a wall removed and a finished area in our basement. This crew was responsive diligent and always made us feel comfortable discussing the project. We were very happy with the result "

Ashley F on August 2025


Avatar for Zono Construction Services

Zono Construction Services

5.00(
12
)
Approved Pro

Zono Construction Services

5.00(
12
)
Approved Pro
Super Service Award
Customers say: Quick response
4 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


Avatar for HMH Property Maintenance

HMH Property Maintenance

5.00(
5
)
Approved Pro

HMH Property Maintenance

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

Established in 2020 Michael McCutcheon Founded HMH Property Maintenance. With the support of his family it has steadily grown to what it is today! We are dedicated to bringing not only professionalism, but a high quality product and service to your commercial or residential property. Owner, Michael Grew up in the rural area of Greene County, hard working and determined to do what he sets his mind to and strives for excellence, as he grew older he gained experience working for national maintenance companies working in mainly a commercial setting.By utilizing a skilled team and advanced techniques, we aim to enhance the longevity and value of your property. We prioritize customer satisfaction, ensuring that every interaction reflects our dedication to excellence in service. At HMH Property Maintenance, your property is our priority, and we strive to exceed your expectations at every turn.

Established in 2020 Michael McCutcheon Founded HMH Property Maintenance. With the support of his family it has steadily grown to what it is today! We are dedicated to bringing not only professionalism, but a high quality product and service to your commercial or residential property. Owner, Michael Grew up in the rural area of Greene County, hard working and determined to do what he sets his mind to and strives for excellence, as he grew older he gained experience working for national maintenance companies working in mainly a commercial setting.By utilizing a skilled team and advanced techniques, we aim to enhance the longevity and value of your property. We prioritize customer satisfaction, ensuring that every interaction reflects our dedication to excellence in service. At HMH Property Maintenance, your property is our priority, and we strive to exceed your expectations at every turn.


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
2025 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 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
21 local quotes requested

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. I have been working on residential improvements professionally and personally for over 25 years. I specialize in detailed carpentry work to enhance the comfort of any home. From closets, entryway or kitchen built-ins to full framing renovations & additions. I take pride in the projects we complete. We look forward to earning your business! Book with us online or feel free to give us a call today! We are also a Barden Homes dealer for new custom homes as well. https://www.bardenbp.com I invite you to look at some of my recent projects completed.

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

James N on April 2025

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. I have been working on residential improvements professionally and personally for over 25 years. I specialize in detailed carpentry work to enhance the comfort of any home. From closets, entryway or kitchen built-ins to full framing renovations & additions. I take pride in the projects we complete. We look forward to earning your business! Book with us online or feel free to give us a call today! We are also a Barden Homes dealer for new custom homes as well. https://www.bardenbp.com I invite you to look at some of my recent projects completed.

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

James N on April 2025


Avatar for C & J Custom Builders Inc

C & J Custom Builders Inc

5.00(
22
)
Approved Pro

C & J Custom Builders Inc

5.00(
22
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
55 local quotes requested

C & J is a local family owned building and remodeling company. We provide the highest quality of workmanship for all of your home renovation and remodeling projects. Handling all aspects of the construction process, we minimize the need for multiple contractors and assure your project runs smooth and efficiently. We use only the top quality products and go above and beyond to deliver craftsmanship you can have confidence and pride in.

"They person came over looked at the work gave me a quote and started the work. He removed all the old wood and replaced it with new."

Gary O on October 2021

C & J is a local family owned building and remodeling company. We provide the highest quality of workmanship for all of your home renovation and remodeling projects. Handling all aspects of the construction process, we minimize the need for multiple contractors and assure your project runs smooth and efficiently. We use only the top quality products and go above and beyond to deliver craftsmanship you can have confidence and pride in.

"They person came over looked at the work gave me a quote and started the work. He removed all the old wood and replaced it with new."

Gary O on October 2021

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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.