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Second story addition builders in East Northport

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
242 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
371 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 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
526 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 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
171 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
4.79(
19
)
•Approved Pro

Top Gun Kitchen & Cabinets

110 Brook Ave C
4.79(
19
)
•Approved Pro
Customers say: True professional
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
798 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.

"I would highly recommend Top Gun!! My bath remodel was done on time. They cleaned up before ending each day!! Communication was excellent!!"

Rose F on September 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.

"I would highly recommend Top Gun!! My bath remodel was done on time. They cleaned up before ending each day!! Communication was excellent!!"

Rose F on September 2025

Avatar for Interior Source

Interior Source

Located In East Meadow
4.88(
43
)
•Approved Pro

Interior Source

Located In East Meadow
4.88(
43
)
•Approved Pro
Customers say: Quick response
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
514 local quotes requested

Interior Source, Inc. is a family owned 5 Stars renovation company, reliable & trustworthy renovation company in Long Island. With over 20 years of experience in Kitchen, Bathroom, Basement & all interior renovation in Long Island, Interior Source offers exceptional home free consultation helping homeowners to implement their ideas into design reality. Interior Source is also proud to won 2 consecutive Angies Super Service awards 2022 & 2023 which stamped us as best renovation company in Long Island. We specialize in beautiful customized bathrooms & kitchens at an avoidable price. If you're looking for a company that provides unparalleled quality, outstanding service, and beautiful outcomes, then look no further than Interior Source. We work closely with each client to understand their unique needs and preferences, and our commitment to customer satisfaction means we won't rest until you are 100% happy with our work.

"Excellent job by the entire crew. We are very pleased with the work that was performed. Professional, punctual, and excellent communication. Thank you!"

Sarah A on April 2025

Interior Source, Inc. is a family owned 5 Stars renovation company, reliable & trustworthy renovation company in Long Island. With over 20 years of experience in Kitchen, Bathroom, Basement & all interior renovation in Long Island, Interior Source offers exceptional home free consultation helping homeowners to implement their ideas into design reality. Interior Source is also proud to won 2 consecutive Angies Super Service awards 2022 & 2023 which stamped us as best renovation company in Long Island. We specialize in beautiful customized bathrooms & kitchens at an avoidable price. If you're looking for a company that provides unparalleled quality, outstanding service, and beautiful outcomes, then look no further than Interior Source. We work closely with each client to understand their unique needs and preferences, and our commitment to customer satisfaction means we won't rest until you are 100% happy with our work.

"Excellent job by the entire crew. We are very pleased with the work that was performed. Professional, punctual, and excellent communication. Thank you!"

Sarah A on April 2025

Avatar for Starkie Brothers Landscaping Inc

Starkie Brothers Landscaping Inc

703 Main St
4.95(
39
)
•Approved Pro

Starkie Brothers Landscaping Inc

703 Main St
4.95(
39
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
523 local quotes requested

Award Winning Landscape Plantings, Construction & Masonry Designs for Over 40 Years! Our special talent is in developing our clients' visions - adding a spark of creativity to develop functional, high quality exterior living spaces. Our horticulturists, designers and architects insure that your landscape project will be a living, growing investment. Starkie Brothers grows 30 acres of ornamental trees and shrubs on the North Fork of Long Island. As commercial growers, we offer our clients several important benefits- better prices, high quality, and hearty Long Island Grown plants. WE DESIGN IT! WE PLANT IT! WE BUILD IT! WE GUARANTEE IT! Landscape Plantings...Design & Installation...Stone Veneer...BBQ's, Outdoor Kitchens, Pizza Ovens, Fireplaces, & Fire Pits...Poolside & Accents, Pergolas, Pavilions, & Gazebo's...Masonry Entrances, Driveways, Walks, Patios, Pools & Spas. Residential & Commercial - Licensed & Insured

"I love my backyard! John Starkie drew up the landscape design plans and kept me informed before, during and after planting. All work was completed in only 2 days including a repair to my patio pavers. He is passionate and educated about what he does and makes sure you know how to maintain your landscape. Johns crew removed a tree stump for free just to improve the look of the project. All work exceeded my expectation!!!"

Denise M on July 2023

Award Winning Landscape Plantings, Construction & Masonry Designs for Over 40 Years! Our special talent is in developing our clients' visions - adding a spark of creativity to develop functional, high quality exterior living spaces. Our horticulturists, designers and architects insure that your landscape project will be a living, growing investment. Starkie Brothers grows 30 acres of ornamental trees and shrubs on the North Fork of Long Island. As commercial growers, we offer our clients several important benefits- better prices, high quality, and hearty Long Island Grown plants. WE DESIGN IT! WE PLANT IT! WE BUILD IT! WE GUARANTEE IT! Landscape Plantings...Design & Installation...Stone Veneer...BBQ's, Outdoor Kitchens, Pizza Ovens, Fireplaces, & Fire Pits...Poolside & Accents, Pergolas, Pavilions, & Gazebo's...Masonry Entrances, Driveways, Walks, Patios, Pools & Spas. Residential & Commercial - Licensed & Insured

"I love my backyard! John Starkie drew up the landscape design plans and kept me informed before, during and after planting. All work was completed in only 2 days including a repair to my patio pavers. He is passionate and educated about what he does and makes sure you know how to maintain your landscape. Johns crew removed a tree stump for free just to improve the look of the project. All work exceeded my expectation!!!"

Denise M on July 2023

Avatar for Classic Remodeling Group Inc

Classic Remodeling Group Inc

1839 Bellmore Ave
4.77(
47
)
•Approved Pro

Classic Remodeling Group Inc

1839 Bellmore Ave
4.77(
47
)
•Approved Pro
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
2078 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 guys are the best! They were always on time, communicated and delivered everything they promised. Such a pleasure dealing with this company. Thanks again for my beautiful home!!"

Guido C on September 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 guys are the best! They were always on time, communicated and delivered everything they promised. Such a pleasure dealing with this company. Thanks again for my beautiful home!!"

Guido C on September 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
484 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 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
729 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

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FAQs for second story addition building service projects in East Northport, 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 East Northport, 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.

See all articles
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