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  • Verified reviews icon90
    Verified basement remodels reviews

Find Basement remodelers in Mastic Beach

"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 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 Unique Interior Finishes

Unique Interior Finishes

4.77(
31
)
Approved Pro

Unique Interior Finishes

4.77(
31
)
Approved Pro
Super Service Award
Customers say: True professional
26 years of experience
Free onsite estimate

Unique Interior Finishes, a licensed contractor, is your premier business for all your residential basement remodel needs servicing Nassau and Suffolk counties. With more than 15 years of experience, we pride ourselves on the quality of workmanship we provide to our customers. Please give us a call today! License #53390-H

"Bob did an absolutely fantastic job. The man was a professional from beginning to end of the project . He had a vision and he made it happen . My basement has been transformed top to bottom and I could not be happier with the work . Bob gave a fair price and finished the project incredibly fast . I would highly recommend him to anyone looking to do a project in their home . My basement could not look any better "

Vince V on June 2025

Unique Interior Finishes, a licensed contractor, is your premier business for all your residential basement remodel needs servicing Nassau and Suffolk counties. With more than 15 years of experience, we pride ourselves on the quality of workmanship we provide to our customers. Please give us a call today! License #53390-H

"Bob did an absolutely fantastic job. The man was a professional from beginning to end of the project . He had a vision and he made it happen . My basement has been transformed top to bottom and I could not be happier with the work . Bob gave a fair price and finished the project incredibly fast . I would highly recommend him to anyone looking to do a project in their home . My basement could not look any better "

Vince V on June 2025


"Vinny and his work crew were very reliable the timeline for the project was perfect there workmanship is beyond what I expected I absolutely love my new bathroom I'm currently looking into redoing my kitchen and I will only use VP Quality contracting I highly recommend this company"

lisa m on July 2025

VP Quality Contracting is a family-owned and -operated, full-service construction company. Our professionalism and quality craftsmanship will accurately reflect your taste and lifestyle. Come visit our new showroom! We offer Financing!

"Vinny and his work crew were very reliable the timeline for the project was perfect there workmanship is beyond what I expected I absolutely love my new bathroom I'm currently looking into redoing my kitchen and I will only use VP Quality contracting I highly recommend this company"

lisa m on July 2025


Avatar for Alta Renovations

Alta Renovations

5.00(
12
)
Approved Pro

Alta Renovations

5.00(
12
)
Approved Pro
Super Service Award
Customers say: Quick response
7 years of experience
Free onsite estimate

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 start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"Excellent workmanship. Prompt service and fair pricing. I would hire them again - wouldn’t even look elsewhere. "

Joseph F on January 2025

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 start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"Excellent workmanship. Prompt service and fair pricing. I would hire them again - wouldn’t even look elsewhere. "

Joseph F on January 2025


"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


Avatar for Exterior Team Home Services, Inc.

Exterior Team Home Services, Inc.

4.95(
22
)
Approved Pro

Exterior Team Home Services, Inc.

4.95(
22
)
Approved Pro
Customers say: Quality work
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
10 years of experience

Exterior Team Home Services, Inc takes 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 start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. Call Exterior Team Home Services, Inc today!

"Ronald and his Team did an excellent job for a very good price. Very professional. Pointed out some things that needed attention and then took care of it. The workmanship and customer service is better than any other craftman I have ever hired. I will keep Exterior Team Home Service number available to recommend to anyone that asks if "I know someone who...." I trust Exterior Team Home and will use them in the future."

Ed S on September 2023

Exterior Team Home Services, Inc takes 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 start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. Call Exterior Team Home Services, Inc today!

"Ronald and his Team did an excellent job for a very good price. Very professional. Pointed out some things that needed attention and then took care of it. The workmanship and customer service is better than any other craftman I have ever hired. I will keep Exterior Team Home Service number available to recommend to anyone that asks if "I know someone who...." I trust Exterior Team Home and will use them in the future."

Ed S on September 2023

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Basement Remodel questions, answered by experts

Yes, you can add a bathroom to an unfinished basement, but you’ll want to take proper precautions if doing so. As with any bathroom addition, you’ll need to make sure that it’s approved by local building authorities first. With unfinished basements, you especially need to keep an eye on proper ventilation practices.

Renovations that add functionality or more comfortable floor space generally add the most value when remodeling your home. Attic or basement finishing can add floor space without altering the home's structure, saving you renovation money while adding valuable space. Smaller improvements, such as installing smart-home components or replacing entry doors and windows, also experience high ROIs. 

Yes, you can add a door to your basement—it might even be required, depending on building codes in your area and whether or not you’re using the basement as a bedroom. A basement contractor can give you some advice on installation and help you add a door to your basement.

The most challenging part of finishing a basement is addressing moisture control. Basement waterproofing is an essential task that requires a professional’s skills and knowledge. If you don’t properly waterproof your finished basement, it’ll be vulnerable to dampness, water damage, and mold growth. Ensuring proper insulation and ventilation to combat these issues while meeting building codes adds complexity to your remodeling project.

Building a bar in the basement will likely add value to your home, although it’s unlikely that you’ll see a significant return on investment (ROI) unless you plan on using the space for you and your guests. If you think you’ll use the area frequently, though, it’s probably worth the investment, and you should see a bump in value if or when you sell your property.

The Mastic Beach, 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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