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Second story addition builders in Islip Terrace

Avatar for QC Construction

QC Construction

3 Valley Stream Street
5.00(
2
)
•Approved Pro

QC Construction

3 Valley Stream Street
5.00(
2
)
•Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
1 years of experience

We specialize in interior finish work such as: kitchen and bath remodels, basements, crown molding, trim work, built-ins, and more! We take a personalized approach to each project. We work closely with our clients to understand their vision, preferences, and budgetary requirements. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!

"Install went according to plan. The contractor was clean, organized, and on time. I would definitely use him again for any of my contracting needs."

Liam K on October 2024

We specialize in interior finish work such as: kitchen and bath remodels, basements, crown molding, trim work, built-ins, and more! We take a personalized approach to each project. We work closely with our clients to understand their vision, preferences, and budgetary requirements. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!

"Install went according to plan. The contractor was clean, organized, and on time. I would definitely use him again for any of my contracting needs."

Liam K on October 2024

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
257 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

Avatar for JA LAND DEVELOPMENT

JA LAND DEVELOPMENT

328 Main St
5.00(
25
)
•Approved Pro

JA LAND DEVELOPMENT

328 Main St
5.00(
25
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
414 local quotes requested

J.A. Land development is a full service landscape construction and design company. We specialize in all aspects of landscape and site work from start to finish. Specializing in : -Plantings -grading -design -excavation -driveways -cobblestone -bluestone -stone veneer -cultured stone -patios -custom BBQ's -drainage -land clearing -retaining walls

"Jon is AMAZING!! We're extremely pleased with the backyard paver flatwork patio Jon from JA Land Development installed for us. From the start, Jon demonstrated a high level of honesty and transparency, ensuring we were informed every step of the way. His business practices were refreshingly upfront, and we appreciated his patience and generosity in working with us to bring our vision to life. The craftsmanship was exceptional - the paver work is solid, level, and beautifully laid out. Jon's attention to detail and commitment to quality were evident in every aspect of the job. What truly sets Jon apart, though, is his integrity and reliability. He was direct and clear about the start and finish dates, and he followed through without any delays. We trust him completely and would not hesitate to hire him for any future projects. We're deeply grateful for the exceptional service and workmanship he provided. Jon is a true professional, and his dedication to his craft is admirable. We're honored to have had the opportunity to work with him, and we wholeheartedly recommend him to anyone seeking a trustworthy and skilled contractor. He's a rare gem in the industry, and we're lucky to have found him. Cathy's assistance with the permits was also greatly appreciated, making the entire process seamless. To Jon, we offer our sincerest appreciation for a job well done - thank you for your hard work, expertise, and commitment to excellence. You are one in a million!! We can’t wait to do more business with you as you are so honest and trustworthy. 5 million star review!!!"

Stevie Rae H on June 2025

J.A. Land development is a full service landscape construction and design company. We specialize in all aspects of landscape and site work from start to finish. Specializing in : -Plantings -grading -design -excavation -driveways -cobblestone -bluestone -stone veneer -cultured stone -patios -custom BBQ's -drainage -land clearing -retaining walls

"Jon is AMAZING!! We're extremely pleased with the backyard paver flatwork patio Jon from JA Land Development installed for us. From the start, Jon demonstrated a high level of honesty and transparency, ensuring we were informed every step of the way. His business practices were refreshingly upfront, and we appreciated his patience and generosity in working with us to bring our vision to life. The craftsmanship was exceptional - the paver work is solid, level, and beautifully laid out. Jon's attention to detail and commitment to quality were evident in every aspect of the job. What truly sets Jon apart, though, is his integrity and reliability. He was direct and clear about the start and finish dates, and he followed through without any delays. We trust him completely and would not hesitate to hire him for any future projects. We're deeply grateful for the exceptional service and workmanship he provided. Jon is a true professional, and his dedication to his craft is admirable. We're honored to have had the opportunity to work with him, and we wholeheartedly recommend him to anyone seeking a trustworthy and skilled contractor. He's a rare gem in the industry, and we're lucky to have found him. Cathy's assistance with the permits was also greatly appreciated, making the entire process seamless. To Jon, we offer our sincerest appreciation for a job well done - thank you for your hard work, expertise, and commitment to excellence. You are one in a million!! We can’t wait to do more business with you as you are so honest and trustworthy. 5 million star review!!!"

Stevie Rae H on June 2025

Avatar for SCI Construction Group

SCI Construction Group

165 Eads Street
New on HomeAdvisorNew on HomeAdvisor
•Approved Pro

SCI Construction Group

165 Eads Street
New on HomeAdvisorNew on HomeAdvisor
•Approved Pro
205 local quotes requested

Family owned business with over 20 years of experience handling all your Remodeling Needs for residential and commercial- Kitchen and Bathrooms, Room Additions, Basements, etc.

Family owned business with over 20 years of experience handling all your Remodeling Needs for residential and commercial- Kitchen and Bathrooms, Room Additions, Basements, etc.

Top Gun Kitchen & Cabinets

110 Brook Ave C
4.78(
18
)
•Approved Pro

Top Gun Kitchen & Cabinets

110 Brook Ave C
4.78(
18
)
•Approved Pro
Customers say: True professional
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
834 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.

"The job did not go well because he did not give an itemized list of the materials that he needed to paint my door and any other work he would do.This is an insurance claim."

Jane L on August 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.

"The job did not go well because he did not give an itemized list of the materials that he needed to paint my door and any other work he would do.This is an insurance claim."

Jane L on August 2025

Avatar for JBL HOME IMPROVEMENTS INC

JBL HOME IMPROVEMENTS INC

PO BOX 584
4.67(
257
)
•Approved Pro

JBL HOME IMPROVEMENTS INC

PO BOX 584
4.67(
257
)
•Approved Pro
Customers say: Quality work
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
959 local quotes requested

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.

"I am very pleased with my remodel. Dave was professional and his crew were on time, worked every day and took care of my house like it was their own!"

Jennie D on July 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.

"I am very pleased with my remodel. Dave was professional and his crew were on time, worked every day and took care of my house like it was their own!"

Jennie D on July 2025

Avatar for Argueta's Construction

Argueta's Construction

21 Winfield Ave.
5.00(
25
)
•Approved Pro

Argueta's Construction

21 Winfield Ave.
5.00(
25
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
513 local quotes requested

Locally owned company with over 23 years of experience making your outdoor spaces a dream come true. We specialize only on new install!! We don’t do repairs!!! Family owned and operated, owner on site for all projects from start to finish. We take pride in making your outdoor space another place to enjoy your friends and family.

"Argueta Construction did my driveway, walkway, stoop, lightning and fence. They deliver a quality work, using quality materiales and creativity, with passion for details in timely manner and with a fair price, finding a quick solution for every single issue. 100% recommended."

Alejandro R on March 2024

Locally owned company with over 23 years of experience making your outdoor spaces a dream come true. We specialize only on new install!! We don’t do repairs!!! Family owned and operated, owner on site for all projects from start to finish. We take pride in making your outdoor space another place to enjoy your friends and family.

"Argueta Construction did my driveway, walkway, stoop, lightning and fence. They deliver a quality work, using quality materiales and creativity, with passion for details in timely manner and with a fair price, finding a quick solution for every single issue. 100% recommended."

Alejandro R on March 2024

Avatar for Islandwide Contracting

Islandwide Contracting

2226 1st Ave
5.00(
3
)
•Approved Pro

Islandwide Contracting

2226 1st Ave
5.00(
3
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
589 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.**

"Excellent. Workers were neat respectful and I was very happy with the results I will be using the company again for any work needed in my home."

Cathy V on June 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.**

"Excellent. Workers were neat respectful and I was very happy with the results I will be using the company again for any work needed in my home."

Cathy V on June 2025

Avatar for Oscar’s complete landscaping

Oscar’s complete landscaping

Located In:
5.00(
8
)
•Approved Pro

Oscar’s complete landscaping

Located In:
5.00(
8
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
846 local quotes requested

We specialize in all phases of landscaping, hardscaping, lawn maintenance, fertilization, masonry, pool services, housecleaning and more. We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service. As an added bonus, your first week of lawn maintenance is free! Call -or- click to schedule a free estimate today!

"Eric, Oscar and crew were an absolute pleasure to work with. They are true craftsman and did a fantastic Job on my driveway. They completed the job very quickly, cleaning up at the end of each day. I give Dream Pro Care my highest recommendation!"

Ron L on October 2024

We specialize in all phases of landscaping, hardscaping, lawn maintenance, fertilization, masonry, pool services, housecleaning and more. We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service. As an added bonus, your first week of lawn maintenance is free! Call -or- click to schedule a free estimate today!

"Eric, Oscar and crew were an absolute pleasure to work with. They are true craftsman and did a fantastic Job on my driveway. They completed the job very quickly, cleaning up at the end of each day. I give Dream Pro Care my highest recommendation!"

Ron L on October 2024

Master Remodelers

Covering Suffolk County
5.00(
7
)
•Approved Pro

Master Remodelers

Covering Suffolk County
5.00(
7
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
694 local quotes requested

We pride ourselves on the quality work we provide, while delivering great customer service. Check out our services offered and call or click to schedule an estimate today!

"Master remodelers did a fantastic job without any complications. Joe and the team were very professional and efficient. My kitchen looks beautiful. Highly Recommend!"

Kathleen M on May 2025

We pride ourselves on the quality work we provide, while delivering great customer service. Check out our services offered and call or click to schedule an estimate today!

"Master remodelers did a fantastic job without any complications. Joe and the team were very professional and efficient. My kitchen looks beautiful. Highly Recommend!"

Kathleen M on May 2025

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FAQs for second story addition building service projects in Islip Terrace, NY

For many homeowners, building up is worth the expense because it provides the extra bedrooms or living areas that can’t be accommodated within the existing footprint. A larger, updated home often commands a higher resale price, recouping a sizable share of the project cost while allowing you to stay in the neighborhood you love. Run the numbers with a real estate agent and contractor to ensure the expected return and day-to-day benefits align with your goals.

Whether it makes more sense to build up or out depends on your lot, budget, and local code. Building up preserves yard space and involves less foundation work, but you may need to vacate the home during construction. Building out avoids staircases and can proceed while you stay put; however, it encroaches on the yard and may face setback limits. Compare both options with your contractor before making a decision.

A structural engineer will first inspect the existing foundation for cracks, footings, and load capacity. Depending on the findings, the crew may pour new concrete footings, install steel or concrete piers, add reinforced beams, or tie additional rebar into the slab. These upgrades redistribute the weight of the new floor and bring the structure up to code. Your contractor will outline the specific reinforcement plan and timeline once the engineering report is complete.

The Islip Terrace, NY homeowners’ guide to second story addition building services

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

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