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  • Verified reviews icon45
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Find Basement remodelers in Speonk

Avatar for Northgate Home Improvement Corp.

Northgate Home Improvement Corp.

4.99(
82
)
Approved Pro

Northgate Home Improvement Corp.

4.99(
82
)
Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
41 years of experience

Please call my mobile phone for faster service: 516-449-8700!! Also, please provide a call back number in your inquiry. Northgate Home Services is a complete home services company which will handle all of your home improvement needs - inside and out. I will personally work with you to design and complete your home improvement project so that it meets all of your needs and expectations. Northgate Home Services is licensed and insured in both Suffolk and Nassau counties.

"I have had Jeff and his guys renovate my ranch house in Melville. He has done 2 bathrooms, my basement and my kitchen. He has always been reliable and done great work. The house looks like new. He quickly corrects any problems and is always in touch. He and his guys are friendly and neat. His estimates are reasonable. I strongly recommend Northgate Home Improvement."

Peter P on March 2025

Please call my mobile phone for faster service: 516-449-8700!! Also, please provide a call back number in your inquiry. Northgate Home Services is a complete home services company which will handle all of your home improvement needs - inside and out. I will personally work with you to design and complete your home improvement project so that it meets all of your needs and expectations. Northgate Home Services is licensed and insured in both Suffolk and Nassau counties.

"I have had Jeff and his guys renovate my ranch house in Melville. He has done 2 bathrooms, my basement and my kitchen. He has always been reliable and done great work. The house looks like new. He quickly corrects any problems and is always in touch. He and his guys are friendly and neat. His estimates are reasonable. I strongly recommend Northgate Home Improvement."

Peter P on March 2025


"Babylon Bay (AJ's team) did a great job, from Sam the project manager to Wilmer and Louis the tradesman who worked on my project. They are truly a professional organization. I would recommend Babylon Bay to my friends and neighbors."

Tony M on January 2026

Owner owned & operated. Full service remodeling company specializing in medium to large projects. Serving Suffolk county and the Hamptons. High end building and remodeling firm. Expect excellent quality and customer service. Permit and Variance Specialists.

"Babylon Bay (AJ's team) did a great job, from Sam the project manager to Wilmer and Louis the tradesman who worked on my project. They are truly a professional organization. I would recommend Babylon Bay to my friends and neighbors."

Tony M on January 2026


Avatar for JA Carpentry Works LLC

JA Carpentry Works LLC

4.98(
32
)
Approved Pro

JA Carpentry Works LLC

4.98(
32
)
Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
7 years of experience

Our company prides itself on reliability, integrity and quality work. When JA Carpentry Works, LLC, is hired, we make it a point to provide the highest level of customer service. We work with both residential and commercial clients, and apply the same attention to detail regardless of project size or complexity. Whether you need a small repair or NEW Renovation JA Carpentry Works, LLC, is the company to call. We look forward to earning your business! Thank you!

"Excellent job in a very professional manner. Javier was courteous and very responsive and on top of things I would recommend this company and him."

nitsana s on November 2023

Our company prides itself on reliability, integrity and quality work. When JA Carpentry Works, LLC, is hired, we make it a point to provide the highest level of customer service. We work with both residential and commercial clients, and apply the same attention to detail regardless of project size or complexity. Whether you need a small repair or NEW Renovation JA Carpentry Works, LLC, is the company to call. We look forward to earning your business! Thank you!

"Excellent job in a very professional manner. Javier was courteous and very responsive and on top of things I would recommend this company and him."

nitsana s on November 2023


Avatar for Pristine East End Contracting

Pristine East End Contracting

4.97(
72
)
Approved Pro

Pristine East End Contracting

4.97(
72
)
Approved Pro
Customers say: Quick response
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
20 years of experience

Pristine East End Contracting is a Small, Full Service, Family Owned and Operated, General Remodeling Contractor, Servicing all of Long Island, Located on, & predominately serving the East End of Suffolk County. Devoted To Quality & Personnel Attention. We Specialize in All Phases of Home Improvements, Residential & Commercial Construction. We offer Home Remodeling & Design Services, Kitchen and Bathroom Remodeling & Design, Basement Remodeling & Design, Whole House Remodeling, Historical Restorations, Renovations, New Construction, Home Improvements, Commercial Services, and Handyman Contracting Services. Rarely has a Remodeling Contractor been so Dedicated To Providing The Highest Quality Of Craftsmanship, most often not offered by the majority of Remodeling Contractors, and Guaranteed Satisfaction To Each And Every Customer. The Customer's Best Interests Are Our Top Priority. We Really Care About Our Clients Home Improvement and Home Remodeling Projects.

"My experience with Nick was A++ from start to finish. When we first met, he took the time to understand my project and needs and to review options. He clearly cared a lot about his work and creating a special space for my family to enjoy in our home. His prices were reasonable (I got several estimates) and he stuck perfectly to the budget we agreed to. The finished product is even more beautiful than I had envisioned, it’s perfectly finished and created a great usable space in our home. 100% would recommend Nick for any and all construction work! "

David L on January 2026

Pristine East End Contracting is a Small, Full Service, Family Owned and Operated, General Remodeling Contractor, Servicing all of Long Island, Located on, & predominately serving the East End of Suffolk County. Devoted To Quality & Personnel Attention. We Specialize in All Phases of Home Improvements, Residential & Commercial Construction. We offer Home Remodeling & Design Services, Kitchen and Bathroom Remodeling & Design, Basement Remodeling & Design, Whole House Remodeling, Historical Restorations, Renovations, New Construction, Home Improvements, Commercial Services, and Handyman Contracting Services. Rarely has a Remodeling Contractor been so Dedicated To Providing The Highest Quality Of Craftsmanship, most often not offered by the majority of Remodeling Contractors, and Guaranteed Satisfaction To Each And Every Customer. The Customer's Best Interests Are Our Top Priority. We Really Care About Our Clients Home Improvement and Home Remodeling Projects.

"My experience with Nick was A++ from start to finish. When we first met, he took the time to understand my project and needs and to review options. He clearly cared a lot about his work and creating a special space for my family to enjoy in our home. His prices were reasonable (I got several estimates) and he stuck perfectly to the budget we agreed to. The finished product is even more beautiful than I had envisioned, it’s perfectly finished and created a great usable space in our home. 100% would recommend Nick for any and all construction work! "

David L on January 2026


"It was awesome working with Anthony, and we’re so happy with the deck he built. He also was super responsive in providing all documentation I needed to obtain a permit. Will be using him for more work! High recommend!"

Nicolette F on June 2025

All Precision Home Improvement, Inc. is committed to excellence in every aspect of our business. We uphold a standard of integrity, bound by fairness, honesty and responsibility. For all of your decking and vinyl siding needs Please give us a call today for a quote!

"It was awesome working with Anthony, and we’re so happy with the deck he built. He also was super responsive in providing all documentation I needed to obtain a permit. Will be using him for more work! High recommend!"

Nicolette F on June 2025


Avatar for JBL HOME IMPROVEMENTS INC

JBL HOME IMPROVEMENTS INC

4.92(
226
)
Approved Pro

JBL HOME IMPROVEMENTS INC

4.92(
226
)
Approved Pro
Customers say: Super punctual
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
20 years of experience

JBL Home Improvements, Inc, located in St. James, is a family owned and operated remodeling business specializing in residential projects. Owner & Contractor David Kaplan, General Manager Jill Kaplan, along with their team of talented professionals, are dedicated to providing outstanding workmanship and customer service to homeowners who live in their community.

"After much searching I came across JBL for our bathroom remodel, and Dave and his crew were great. From day one they were pleasant, professional, and neat. They took pride in the work performed and daily made sure to leave our home as clean as possible. Dave was very hands on and kept us updated of any changes that came up so that there were no surprises. Also any concern was addressed and our input was taken into consideration. I really liked the breakdown of work to be performed and detailed invoices of payment. Overall, this was a very pleasant experience and we will definitely be using them again! "

Michele W on December 2025

JBL Home Improvements, Inc, located in St. James, is a family owned and operated remodeling business specializing in residential projects. Owner & Contractor David Kaplan, General Manager Jill Kaplan, along with their team of talented professionals, are dedicated to providing outstanding workmanship and customer service to homeowners who live in their community.

"After much searching I came across JBL for our bathroom remodel, and Dave and his crew were great. From day one they were pleasant, professional, and neat. They took pride in the work performed and daily made sure to leave our home as clean as possible. Dave was very hands on and kept us updated of any changes that came up so that there were no surprises. Also any concern was addressed and our input was taken into consideration. I really liked the breakdown of work to be performed and detailed invoices of payment. Overall, this was a very pleasant experience and we will definitely be using them again! "

Michele W on December 2025


Avatar for Greg Home Improvement, Inc.

Greg Home Improvement, Inc.

4.83(
80
)
Approved Pro

Greg Home Improvement, Inc.

4.83(
80
)
Approved Pro
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
29 years of experience

Greg Home Improvement Inc is a family owned and operated business . The president, Greg Estevez is the person in charge to estimate and supervise all the work, also one of the most complete of the very experienced working team. We been in business for 19 years performing all phases of construction in New York City, Nassau and Suffolk with a clean record in Consumer Affairs and Better Business Bureau with A+ rating. Greg home improvement Inc do not use subcontractors , only electricians and plumbers. We are licensed and insured.

"No job to small or to big for Greg, they do a good job!"

JOHN O on June 2023

Greg Home Improvement Inc is a family owned and operated business . The president, Greg Estevez is the person in charge to estimate and supervise all the work, also one of the most complete of the very experienced working team. We been in business for 19 years performing all phases of construction in New York City, Nassau and Suffolk with a clean record in Consumer Affairs and Better Business Bureau with A+ rating. Greg home improvement Inc do not use subcontractors , only electricians and plumbers. We are licensed and insured.

"No job to small or to big for Greg, they do a good job!"

JOHN O on June 2023


Avatar for Inson Dubois Wood LLC

Inson Dubois Wood LLC

5.00(
12
)
Approved Pro

Inson Dubois Wood LLC

5.00(
12
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
21 years of experience

Full Service Residential Design Firm that focuses on full transparency and meeting our clients budget and timeline. Impeccable attention to detail and cost analysis are our strong point. A full design team takes your project from inception to completion in record time.

"Inson is a creative genius with a superb eye. He did everything with meticulous detail and completely transformed our apartment into an amazing, gorgeous home. We enjoy entertaining, and our friends love coming over, always remarking how beautiful and inviting our home is- and that was exactly what we wanted, except Inson brilliantly upgraded our concept, within budget and on time (even with our aggressive timeline because we needed to be out of our old place and into our new within months!). Inson’s team was also great to work with - always polite and professional. We highly recommend Inson and plan on working with him again on our Hamptons home!"

Sandy T on November 2021

Full Service Residential Design Firm that focuses on full transparency and meeting our clients budget and timeline. Impeccable attention to detail and cost analysis are our strong point. A full design team takes your project from inception to completion in record time.

"Inson is a creative genius with a superb eye. He did everything with meticulous detail and completely transformed our apartment into an amazing, gorgeous home. We enjoy entertaining, and our friends love coming over, always remarking how beautiful and inviting our home is- and that was exactly what we wanted, except Inson brilliantly upgraded our concept, within budget and on time (even with our aggressive timeline because we needed to be out of our old place and into our new within months!). Inson’s team was also great to work with - always polite and professional. We highly recommend Inson and plan on working with him again on our Hamptons home!"

Sandy T on November 2021


Avatar for HD Renovations

HD Renovations

4.93(
95
)
Approved Pro

HD Renovations

4.93(
95
)
Approved Pro
Customers say: True professional
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
16 years of experience

With my years of experience we have mastered in becoming a pro in all interior renovations and specialized in door and frame installation for interior and exterior doors. Kitchen Installation with best outcome results and detailing and bathroom remodeling. Fully licensed and insured!!!

"I was looking for a contractor to renovate a 2BR rental property. After meeting with several contractors I had decided to go with HD Renovations. During the walkthrough BEFORE the work started, Dominick pointed out a few things and we came up with a plan for the project. Dominick and his crew showed up on time every day and worked non-stop until the project was completed. The work was excellent! When electrical and plumbing issues came up, Dom found a solution. He was a pleasure to work with. Always responsive to every question or idea. He had great suggestions along the way and really took pride in his work. The project lasted a month when others had taken 6-8weeks and stayed very close to budget even though I had made a few additions to the original proposal. As a landlord I have used many contractors over the years. HD Renovations were the best! I look forward to working with them in the future!"

Sergio V on January 2026

With my years of experience we have mastered in becoming a pro in all interior renovations and specialized in door and frame installation for interior and exterior doors. Kitchen Installation with best outcome results and detailing and bathroom remodeling. Fully licensed and insured!!!

"I was looking for a contractor to renovate a 2BR rental property. After meeting with several contractors I had decided to go with HD Renovations. During the walkthrough BEFORE the work started, Dominick pointed out a few things and we came up with a plan for the project. Dominick and his crew showed up on time every day and worked non-stop until the project was completed. The work was excellent! When electrical and plumbing issues came up, Dom found a solution. He was a pleasure to work with. Always responsive to every question or idea. He had great suggestions along the way and really took pride in his work. The project lasted a month when others had taken 6-8weeks and stayed very close to budget even though I had made a few additions to the original proposal. As a landlord I have used many contractors over the years. HD Renovations were the best! I look forward to working with them in the future!"

Sergio V on January 2026


"Jorge has basically remodeled our entire house. Jorge and his crew were very neat, professional from start to finish. Jorge was instrumental in helping to bring our vision to fruition. Once a project was started Jorge and his crew were here until the job was completed to our satisfaction. Pricing was fair and reasonable, I would highly recommend Jorge construction Corp. to anyone looking to remodel."

Kelly G on November 2025

Jorge General Construction Corp is proud remodeling kitchen & bathroom etc,with 17 years experience,contact us today to schedule and keep your home in top condition year-round.

"Jorge has basically remodeled our entire house. Jorge and his crew were very neat, professional from start to finish. Jorge was instrumental in helping to bring our vision to fruition. Once a project was started Jorge and his crew were here until the job was completed to our satisfaction. Pricing was fair and reasonable, I would highly recommend Jorge construction Corp. to anyone looking to remodel."

Kelly G on November 2025

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Basement Remodel questions, answered by experts

You should always use high-quality lumber for your framing in order to ensure it will last the test of time and resist moisture. Use 2-foot by 4-foot lumber that is pressure-treated for your framing.

Whether it’s more affordable to gut a house than build a new one depends on the markets where you'd be buying and selling. However, it’s usually less expensive to renovate a home than to build new construction. 

Most homeowners pay between $100,000 and $200,000 for demolition and remodeling costs, whereas the average cost to build a new home is between $139,000 and $531,300.

Create a checklist, reimagine the space use, set a realistic budget, choose materials and aesthetic details, and get professional support for guidelines and troubleshooting.

Although it’s not required, air ventilation in a finished basement can help improve the air quality, prevent moisture and mold issues, keep musty odors away, and also maintain the air quality throughout the rest of your home. Proper ventilation will help maintain the value of your investment in finishing your basement. Try basement ventilation methods like installing vents or a dehumidifier for best results.

Common mistakes when finishing basement walls include neglecting proper insulation, insufficient moisture management, and poor ventilation. Not addressing these issues can lead to mold growth, water damage, and discomfort. Additionally, inadequate planning, improper framing, and rushing the project can result in subpar outcomes. 

It's essential to follow best practices, seek professional guidance if needed, and prioritize thoroughness and attention to detail.

The Speonk, NY homeowners’ guide to basement remodels

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

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