Top-rated basement remodelers.

Get matched with top basement remodelers in Ronkonkoma, NY

There are 37 highly-rated local basement remodelers.

Need a pro for your basement remodel project in Ronkonkoma, NY?

Select your specific project to find the pro for you.

TRUSTED BY RONKONKOMA, NY HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon41
    Verified basement remodels reviews

Find Basement remodelers in Ronkonkoma

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
1985 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


Avatar for Stars and Stripes Home Improvement LLC

Stars and Stripes Home Improvement LLC

4.94(
263
)
Approved Pro

Stars and Stripes Home Improvement LLC

4.94(
263
)
Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
2017 years of experience

With US HOME / STARS AND STRIPES has been servicing homeowners for more than 25 years. Customer preference and priorities are always first. We're very timely with our work and never lose attention to detail. Give us a call for your free estimate.Deal direct with owner. FULLY LICENSED: Suffolk County Nassau County

"The quality of the workmanship is outstanding. Every detail was handled with care, and the finished project looks fantastic. Good communication when/where to pick out titles, paint etc. Thank You! "

April K on November 2025

With US HOME / STARS AND STRIPES has been servicing homeowners for more than 25 years. Customer preference and priorities are always first. We're very timely with our work and never lose attention to detail. Give us a call for your free estimate.Deal direct with owner. FULLY LICENSED: Suffolk County Nassau County

"The quality of the workmanship is outstanding. Every detail was handled with care, and the finished project looks fantastic. Good communication when/where to pick out titles, paint etc. Thank You! "

April K on November 2025


"We went over everything that was going to be done step by step both A.J. and Sam explained and guided us in the process. All came in at budget and in a timely manner. They were clean and reliable. I Will use them for my next project! ps. All of their recommendations for plumbing, electrical and painting were fantastic."

VINCENT S on March 2025

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.

"We went over everything that was going to be done step by step both A.J. and Sam explained and guided us in the process. All came in at budget and in a timely manner. They were clean and reliable. I Will use them for my next project! ps. All of their recommendations for plumbing, electrical and painting were fantastic."

VINCENT S on March 2025


"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

4.68(
259
)
Approved Pro

JBL HOME IMPROVEMENTS INC

4.68(
259
)
Approved Pro
Customers say: Quality work
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
2006 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.

"Extremely pleased with the recommended supplies and workmanship."

Noreen C on September 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.

"Extremely pleased with the recommended supplies and workmanship."

Noreen C on September 2025


Avatar for HM Construction Group, Inc. (Long Island Handyman Group)

HM Construction Group, Inc. (Long Island Handyman Group)

4.95(
21
)
Approved Pro

HM Construction Group, Inc. (Long Island Handyman Group)

4.95(
21
)
Approved Pro
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
2017 years of experience

HM Construction Group specializes in home remodeling, construction, property management, handyman tasks and repairs. We do all residential and commercial contracting, from trim to odd jobs. No job is too small or too big. We're a locally owned and operated company with many years of construction and handyman experience. We value honesty and integrity in all aspects of our business. We specialize in handyman work and a variety of related service and repair 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 with our clients and guarantee your satisfaction!

"Eddie was great to work with! We had a limited time frame to adhere to town inspections and Eddie and his team knew exactly what we needed and quickly got the job done. The results were great and even the inspector acknowledged the impressive repair. They were able to put a knocked out garage wall back on the foundation and repair the interior dry wall. I would recommend this company for any professional contract work due to their reasonable price, ease to work with and quality of work."

Virginia K on October 2025

HM Construction Group specializes in home remodeling, construction, property management, handyman tasks and repairs. We do all residential and commercial contracting, from trim to odd jobs. No job is too small or too big. We're a locally owned and operated company with many years of construction and handyman experience. We value honesty and integrity in all aspects of our business. We specialize in handyman work and a variety of related service and repair 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 with our clients and guarantee your satisfaction!

"Eddie was great to work with! We had a limited time frame to adhere to town inspections and Eddie and his team knew exactly what we needed and quickly got the job done. The results were great and even the inspector acknowledged the impressive repair. They were able to put a knocked out garage wall back on the foundation and repair the interior dry wall. I would recommend this company for any professional contract work due to their reasonable price, ease to work with and quality of work."

Virginia K on October 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
1997 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
2000 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


JLV Electrical

4.96(
14
)
Approved Pro

JLV Electrical

4.96(
14
)
Approved Pro
Super Service Award
Customers say: Quality work
2010 years of experience
Free onsite estimate

With over 15 years of experience as an electrician, JLV Electrical is who you need to take care of your home. We handle everything from the initial consultation to making sure your property looks perfect every single time. We will always treat your property as we would treat our own, and you will be surprised how simple and easy our team will make the whole process seem. Give our team a call today. We're looking forward to working with you!

"The pro was professional, courteous and efficient. I highly recommend him!"

Martin V on April 2025

With over 15 years of experience as an electrician, JLV Electrical is who you need to take care of your home. We handle everything from the initial consultation to making sure your property looks perfect every single time. We will always treat your property as we would treat our own, and you will be surprised how simple and easy our team will make the whole process seem. Give our team a call today. We're looking forward to working with you!

"The pro was professional, courteous and efficient. I highly recommend him!"

Martin V on April 2025

...
Showing 1-10 of 1790
Basement Remodel questions, answered by experts

To determine if your basement walls are suitable for finishing, assess their structural integrity and moisture conditions. Look for any signs of damage, such as cracks, bowing, or excessive moisture. Ensure proper drainage and address any underlying issues before proceeding. 

Consult with a professional if you're uncertain about the structural stability or potential risks associated with finishing your basement walls.

Project timelines vary significantly, typically from weeks to months, depending on design complexity and active permitting processes.

Living in a finished basement is acceptable, but only if the space has the proper points of egress and includes smoke and carbon monoxide (CO) detectors to ensure the safety of the occupants. A good way to ensure your finished basement is suitable for use as living space is to get the basement finishing project properly permitted.

Walkout basements cost more than other kinds of basements, and can also increase your risk of leaks as well as a loss of insulation, leading to higher heating and cooling costs. Improperly installed walkout basements may lead to structural issues with your foundation, so ensure you’re working with a contractor who has extensive experience with this kind of basement.

Assuming you are going for a full remodel for an average-sized basement with a reputable contractor, the process can take up to two weeks or more. Remember that basements have many stairs and often difficult access—it’s not like working in the entryway. The shuttling of materials, increased need for ventilation and safety precautions, and making sure everything can be removed through a doorway all increase time and cost.

The Ronkonkoma, NY homeowners’ guide to basement remodels

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

What do you need done? We’ll find top pros.
  • 🌱 "Mow a small front yard"
  • 🛠 "Fix a leaking pipe under the sink"
  • 🏠 "Repair shingles on an asphalt roof"