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Attic remodelers in Holtsville

Avatar for OZ General Contracting Co Inc
OZ General Contracting Co Inc
2597 Merrick Rd
4.78(
139
)
Approved Pro
OZ General Contracting Co Inc
2597 Merrick Rd
4.78(
139
)
Approved Pro
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
831 local quotes requested

OZ General Contracting Co Inc. has an over 30 year extensive portfolio of incredible kitchen and bathroom renovations in Nassau and Suffolk County Long Island, NY. We are innovative, efficient, reliable, and we always exceed our client’s expectations.

"I hired Oz General Contracting Co Inc in 2013 to remodel my kitchen. The company also remodeled my half bath in 2021 and in 2025 remodeled our main bathroom and linen closet. Every project turned out great! Everyone involved with my projects was courteous, talented, and professional. Ozi Ovadia is a master at maximizing space. I highly recommend this company."

Frank D on April 2025

OZ General Contracting Co Inc. has an over 30 year extensive portfolio of incredible kitchen and bathroom renovations in Nassau and Suffolk County Long Island, NY. We are innovative, efficient, reliable, and we always exceed our client’s expectations.

"I hired Oz General Contracting Co Inc in 2013 to remodel my kitchen. The company also remodeled my half bath in 2021 and in 2025 remodeled our main bathroom and linen closet. Every project turned out great! Everyone involved with my projects was courteous, talented, and professional. Ozi Ovadia is a master at maximizing space. I highly recommend this company."

Frank D on April 2025


Avatar for Islandwide Contracting
Islandwide Contracting
23 Union Avenue
5.00(
1
)
Approved Pro
Islandwide Contracting
23 Union Avenue
5.00(
1
)
Approved Pro
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
530 local quotes requested

​At Islandwide Contracting LLC, we have been proudly serving Suffolk County and surrounding areas since 2019, bringing over 30 years of combined experience to every project. Our comprehensive range of residential and commercial construction services includes interior and exterior work, such as medical offices, restaurants, urgent care facilities, dormers, and extensions. We specialize in bathroom and kitchen renovations, as well as basement transformations. Contact us today for a free estimate at 631-779-9277, and let us help you build the dream you envision. ​**At Islandwide Contracting, we deeply appreciate the dedication and sacrifices of our military personnel, first responders, and senior citizens. As a token of our gratitude, we are proud to offer special discounts tailored specifically for these esteemed groups. Please inquire about these exclusive offers when you contact us, and let us assist you in bringing your vision to life.**

"Islandwide Contracting did an amazing job for our new medical facility in Holbrook. We have gotten tons of compliments for their high quality work. Definitely would rehire them again! Thank you to Andrew and his team."

Sayed K on March 2025

​At Islandwide Contracting LLC, we have been proudly serving Suffolk County and surrounding areas since 2019, bringing over 30 years of combined experience to every project. Our comprehensive range of residential and commercial construction services includes interior and exterior work, such as medical offices, restaurants, urgent care facilities, dormers, and extensions. We specialize in bathroom and kitchen renovations, as well as basement transformations. Contact us today for a free estimate at 631-779-9277, and let us help you build the dream you envision. ​**At Islandwide Contracting, we deeply appreciate the dedication and sacrifices of our military personnel, first responders, and senior citizens. As a token of our gratitude, we are proud to offer special discounts tailored specifically for these esteemed groups. Please inquire about these exclusive offers when you contact us, and let us assist you in bringing your vision to life.**

"Islandwide Contracting did an amazing job for our new medical facility in Holbrook. We have gotten tons of compliments for their high quality work. Definitely would rehire them again! Thank you to Andrew and his team."

Sayed K on March 2025


Sunview Enterprise Inc
New on HomeAdvisorNew on Angi
Approved Pro
Sunview Enterprise Inc
New on AngiNew on HomeAdvisor
Approved Pro
233 local quotes requested

Our team has quality experience in this industry, and we make sure our customers are happy before we leave. Call or click to schedule an estimate today!

Our team has quality experience in this industry, and we make sure our customers are happy before we leave. Call or click to schedule an estimate today!


Giuliano's Landscaping & Design Corp.
116 Lake Avenue
4.88(
8
)
Approved Pro
Giuliano's Landscaping & Design Corp.
116 Lake Avenue
4.88(
8
)
Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
287 local quotes requested

We are your local landscape professionals and we are proud to offer innovative outdoor design services, quality installation, and ongoing lawn and garden care. Give us a call today for a personalized and complimentary consultation.

"I never write reviews but Charles and his guys did such a great job on my backyard clearing, driveway and walk that I had to do it. From start to finish the job was done professionally and they delivered on every promise. I highly recommend Giulianos for any work you may meed done."

Robert G on August 2023

We are your local landscape professionals and we are proud to offer innovative outdoor design services, quality installation, and ongoing lawn and garden care. Give us a call today for a personalized and complimentary consultation.

"I never write reviews but Charles and his guys did such a great job on my backyard clearing, driveway and walk that I had to do it. From start to finish the job was done professionally and they delivered on every promise. I highly recommend Giulianos for any work you may meed done."

Robert G on August 2023


Top Gun Kitchen & Cabinets
110 Brook Ave C
5.00(
12
)
Approved Pro
Top Gun Kitchen & Cabinets
110 Brook Ave C
5.00(
12
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
662 local quotes requested

Full service Kitchen Remodeling company. Specializing in cabinet painting and kitchen face lifts with over 25 years experience. Free consultations. ZERO pressure sales. Let us save you thousands. Call today.

"Robb and his team are really pleasant and professional, they completed our kitchen cabinets with a very luxurious coating that literally transformed the space into more beautiful than we anticipated. The attention to detail is unmatched, their desire to make an outstanding space was apparent the whole way through the job! We are extremely happy and would hire them again as we have places confidence and trust in them the job will be completed Perfectly. Thank you again Robb and the guys at Top Gun, GREAT JOB! ✨"

George M on June 2025

Full service Kitchen Remodeling company. Specializing in cabinet painting and kitchen face lifts with over 25 years experience. Free consultations. ZERO pressure sales. Let us save you thousands. Call today.

"Robb and his team are really pleasant and professional, they completed our kitchen cabinets with a very luxurious coating that literally transformed the space into more beautiful than we anticipated. The attention to detail is unmatched, their desire to make an outstanding space was apparent the whole way through the job! We are extremely happy and would hire them again as we have places confidence and trust in them the job will be completed Perfectly. Thank you again Robb and the guys at Top Gun, GREAT JOB! ✨"

George M on June 2025


Avatar for TRI-STATE BUILDING SPECIALTIES, INC.
TRI-STATE BUILDING SPECIALTIES, INC.
845 Towbin Ave
4.27(
11
)
Approved Pro
TRI-STATE BUILDING SPECIALTIES, INC.
845 Towbin Ave
4.27(
11
)
Approved Pro
Customers say: True professional
257 local quotes requested
34 years of experience

Expand your living space with our expert sunroom and patio enclosure remodeling services! We specialize in designing and transforming outdoor areas into beautiful, functional sunrooms and enclosed patios that you can enjoy year-round. Our skilled team delivers high-quality craftsmanship, using durable materials and personalized designs to enhance your home’s comfort and value. Whether you’re looking to create a cozy sunroom or a versatile patio enclosure, we’re committed to making your vision a reality. Contact us today for a free consultation and start planning your dream space!

"First meeting went very smoothly so far had a great experience with Jason Now will be working with Don the project manager."

Dee A on February 2025

Expand your living space with our expert sunroom and patio enclosure remodeling services! We specialize in designing and transforming outdoor areas into beautiful, functional sunrooms and enclosed patios that you can enjoy year-round. Our skilled team delivers high-quality craftsmanship, using durable materials and personalized designs to enhance your home’s comfort and value. Whether you’re looking to create a cozy sunroom or a versatile patio enclosure, we’re committed to making your vision a reality. Contact us today for a free consultation and start planning your dream space!

"First meeting went very smoothly so far had a great experience with Jason Now will be working with Don the project manager."

Dee A on February 2025


Avatar for AR Home Construction
AR Home Construction
25 Berry Hill Rd
5.00(
29
)
Approved Pro
AR Home Construction
25 Berry Hill Rd
5.00(
29
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
656 local quotes requested

A.R. Home Construction is a premier design and build construction company specializing in luxury new home construction and high-end remodeling projects. With expertise in all aspects of construction, from conceptual design to final touches, A.R. Home Construction delivers exquisite and luxurious transformations. Our team of skilled professionals is dedicated to exceeding client expectations and creating stunning spaces that reflect unparalleled craftsmanship. Explore luxury and sophistication at our home design showroom, offering a curated selection of top -quality products for your project.

"Completed beyond on expectations. Total Transformation. One comment by our neighbors - You have raised the bar for the community."

Christy V on October 2024

A.R. Home Construction is a premier design and build construction company specializing in luxury new home construction and high-end remodeling projects. With expertise in all aspects of construction, from conceptual design to final touches, A.R. Home Construction delivers exquisite and luxurious transformations. Our team of skilled professionals is dedicated to exceeding client expectations and creating stunning spaces that reflect unparalleled craftsmanship. Explore luxury and sophistication at our home design showroom, offering a curated selection of top -quality products for your project.

"Completed beyond on expectations. Total Transformation. One comment by our neighbors - You have raised the bar for the community."

Christy V on October 2024


Avatar for RJ Falcone Masonry and Landscapes Inc.
RJ Falcone Masonry and Landscapes Inc.
5.00(
21
)
Approved Pro
RJ Falcone Masonry and Landscapes Inc.
5.00(
21
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
146 local quotes requested

We are a family owned business with experience since the 1990's, serving Long Island. Built on Quality and Integrity is our motto and our personal goal for every job. Rich Jr received his degree in construction management from Roger Williams University and brings that level of organization to every jobsite to ensure everything goes as planned. All work is done with an owner on site by our employees. See more at www.rjfalcone.com instagram: https://www.instagram.com/rjfalconemasonry/ facebook: https://www.facebook.com/rjfalconemasonry/

"Fantastic. Rich responded to my phone call immediately & came for an estimate the next day--the job was completed within a week & a half. The installation was very professional & looks beautiful. The crew was hard working & cleaned up everything perfectly. Can't compliment the job enough--we're very pleased."

John D on August 2020

We are a family owned business with experience since the 1990's, serving Long Island. Built on Quality and Integrity is our motto and our personal goal for every job. Rich Jr received his degree in construction management from Roger Williams University and brings that level of organization to every jobsite to ensure everything goes as planned. All work is done with an owner on site by our employees. See more at www.rjfalcone.com instagram: https://www.instagram.com/rjfalconemasonry/ facebook: https://www.facebook.com/rjfalconemasonry/

"Fantastic. Rich responded to my phone call immediately & came for an estimate the next day--the job was completed within a week & a half. The installation was very professional & looks beautiful. The crew was hard working & cleaned up everything perfectly. Can't compliment the job enough--we're very pleased."

John D on August 2020


Avatar for Classic Remodeling Group Inc
Classic Remodeling Group Inc
1839 Bellmore Ave
4.80(
44
)
Approved Pro
Classic Remodeling Group Inc
1839 Bellmore Ave
4.80(
44
)
Approved Pro
Customers say: Super punctual
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
2362 local quotes requested

Full service remodeling, roofing and siding contractors serving Long Island. Whether you are in need of new roof installation, roof restoration, or roof repairs; new siding installation, siding repairs; new windows & doors installation; kitchen remodeling; bathroom remodeling; we are the Long Island home remodeling contractors to call, due to our professionalism and affordability.

"John and his team did an excellent job tiling my bathroom. I am very detail oriented and was extremely happy with the precision and quality of his work. I would certainly hire him again and strongly recommend him."

Allan S on June 2025

Full service remodeling, roofing and siding contractors serving Long Island. Whether you are in need of new roof installation, roof restoration, or roof repairs; new siding installation, siding repairs; new windows & doors installation; kitchen remodeling; bathroom remodeling; we are the Long Island home remodeling contractors to call, due to our professionalism and affordability.

"John and his team did an excellent job tiling my bathroom. I am very detail oriented and was extremely happy with the precision and quality of his work. I would certainly hire him again and strongly recommend him."

Allan S on June 2025


Avatar for Stone's Construction Corp.
Stone's Construction Corp.
1496 Broad St
4.74(
31
)
Approved Pro
Stone's Construction Corp.
1496 Broad St
4.74(
31
)
Approved Pro
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
514 local quotes requested

Stone's Construction has been in business since 1986. We are fully insured and have a clean record with Consumer Affairs. Our estimates are free and you deal with the owner. The company continuously provides customers with the best quality and value for the best prices out there. We specialize in Dormers,Extensions,Kitchens,Bathrooms,Basements,Siding, House Lifting, Porticos, Masonry

"I gave a deposit to start a job. A contract was never signed and work was never started. I decided to go in a different direction, Provider initially offered only a $250 refund, I deemed that unacceptable. Provider now has not responded to any attempted communication since approximately May 7."

vincent p on May 2025

Stone's Construction has been in business since 1986. We are fully insured and have a clean record with Consumer Affairs. Our estimates are free and you deal with the owner. The company continuously provides customers with the best quality and value for the best prices out there. We specialize in Dormers,Extensions,Kitchens,Bathrooms,Basements,Siding, House Lifting, Porticos, Masonry

"I gave a deposit to start a job. A contract was never signed and work was never started. I decided to go in a different direction, Provider initially offered only a $250 refund, I deemed that unacceptable. Provider now has not responded to any attempted communication since approximately May 7."

vincent p on May 2025

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FAQs for attic remodeling projects in Holtsville, NY

Yes, finishing an attic can significantly increase your home's value. Converting unused space into functional living areas adds permanent square footage and enhances market appeal. This improvement maximizes available space, boosts overall property efficiency, and positions your home for a higher price when you decide to put it on the market for sale.

An attic conversion takes four to eight weeks, depending on the complexity and overall scope of the project. This timeline includes planning, securing permits, and construction. Working with skilled contractors like professional plumbers, electricians, structural engineers, and a home remodeling company ensures the project meets local safety codes and quality standards.

Placing the attic stairway directly above your existing staircase is often the best option. This approach maximizes space efficiency, maintains proper head clearance, and ensures safe access between floors. Consult with your home remodeling professional, who will help you to determine the optimal layout for your home’s specifications and your needs.

The Holtsville, NY homeowners’ guide to attic remodelings
From average costs to expert advice, get all the answers you need to get your job done.
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