Top-rated second story addition builders.

Get matched with top second story addition builders in Central Islip, NY

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Second story addition builders in Central Islip

Avatar for Stone's Construction Corp.

Stone's Construction Corp.

4.74(
31
)
Approved Pro

Stone's Construction Corp.

4.74(
31
)
Approved Pro
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
436 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


Avatar for SCI Construction Group

SCI Construction Group

New on HomeAdvisorNew on HomeAdvisor
Approved Pro

SCI Construction Group

New on HomeAdvisorNew on HomeAdvisor
Approved Pro
143 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.


Integrity Custom Carpentry and Remodeling

No reviews yet

Integrity Custom Carpentry and Remodeling

No reviews yet
19 years of experience

Finish Carpentry and Custom Woodworking, we have 5 finish carpenters, we seldom use subcontractors, Suffolk County Home Improvement license #46665-h, Fully insured with 2,000,000 General Liability policy and Workers Compensation insurance, we offer free estimates, Discounts offered for Angies list customers. We are clean cut, reliable, honest finish carpenters who can be trusted to take your vision for your home and make it a reality, or we can design it for you. All work is fully gauranteed!

Finish Carpentry and Custom Woodworking, we have 5 finish carpenters, we seldom use subcontractors, Suffolk County Home Improvement license #46665-h, Fully insured with 2,000,000 General Liability policy and Workers Compensation insurance, we offer free estimates, Discounts offered for Angies list customers. We are clean cut, reliable, honest finish carpenters who can be trusted to take your vision for your home and make it a reality, or we can design it for you. All work is fully gauranteed!


Faux Wood Beams

No reviews yet

Faux Wood Beams

No reviews yet
53 years of experience

Faux wood beams and other architectural accents for home improvement. Lightweight, durable and sustainable alternatives to natural material that are easy to install and available to be shipped to your home or project site anywhere.

Faux wood beams and other architectural accents for home improvement. Lightweight, durable and sustainable alternatives to natural material that are easy to install and available to be shipped to your home or project site anywhere.


Long Island Restoration And Construction, Inc.

No reviews yet

Long Island Restoration And Construction, Inc.

No reviews yet
13 years of experience

Long Island Restoration And Construction, Inc.'s Proprietor has been involved for over 30 years in all aspects of Construction, Commercial Building and Residence Code; from large General Contracting Projects to all phases of Home Owners’ House Renovation & Restoration Services. LIRCI also has Licensed Electricians & Plumbers to have on-site. Anything that you need done, my Company will perform, at an economical, competitive price.

Long Island Restoration And Construction, Inc.'s Proprietor has been involved for over 30 years in all aspects of Construction, Commercial Building and Residence Code; from large General Contracting Projects to all phases of Home Owners’ House Renovation & Restoration Services. LIRCI also has Licensed Electricians & Plumbers to have on-site. Anything that you need done, my Company will perform, at an economical, competitive price.


Malka Framing/ Malka Carpentry Contracting Inc

No reviews yet

Malka Framing/ Malka Carpentry Contracting Inc

No reviews yet

Malka Framing/Malka Carpentry Contracting Inc is a custom framing contractor specializing in new construction on commercial and residential properties. Malka Contractors Inc has been building new homes to families and businesses in Monsey New York for over 20 years. We believe that it is a good time to build a new home or remodel the one you are in. Interest rates are at the lowest we have seen in decades and you can benefit from the latest design options. Call us today!

Malka Framing/Malka Carpentry Contracting Inc is a custom framing contractor specializing in new construction on commercial and residential properties. Malka Contractors Inc has been building new homes to families and businesses in Monsey New York for over 20 years. We believe that it is a good time to build a new home or remodel the one you are in. Interest rates are at the lowest we have seen in decades and you can benefit from the latest design options. Call us today!


Compass Building Corporation

No reviews yet

Compass Building Corporation

No reviews yet
32 years of experience

A complete home improvement contractor. No job is too large or too small. We offer free estimates/quotes. For new construction we utilize our sister company, All-tech Carpentry Contractors LLC, the first NAHB certified framing contractor and silver award winner in the United States. Compass is a registered home improvement contractor in the states of New Jersey, Lic. No. 13VH03987500 and Pennsylvania, Lic. No. PA057811. licensed in NJ and PA

A complete home improvement contractor. No job is too large or too small. We offer free estimates/quotes. For new construction we utilize our sister company, All-tech Carpentry Contractors LLC, the first NAHB certified framing contractor and silver award winner in the United States. Compass is a registered home improvement contractor in the states of New Jersey, Lic. No. 13VH03987500 and Pennsylvania, Lic. No. PA057811. licensed in NJ and PA


American Custom Contractors

No reviews yet

American Custom Contractors

No reviews yet
24 years of experience

American Custom Contractors, LLC is a fully licensed and insured construction company located in Jackson, NJ. American Custom Contractors, LLC is an exclusive specialty company that offers professional service on all levels of property maintenance, interior and exterior design, home or office buildings improvements, and new construction both residential and commercial.

American Custom Contractors, LLC is a fully licensed and insured construction company located in Jackson, NJ. American Custom Contractors, LLC is an exclusive specialty company that offers professional service on all levels of property maintenance, interior and exterior design, home or office buildings improvements, and new construction both residential and commercial.


JSP Home Improvement Contractors

No reviews yet

JSP Home Improvement Contractors

No reviews yet
Free onsite estimate

Here at JSP Home Improvement Contractors, we take pride in providing the best services and satisfying our customer needs. We specialize in Home Improvement Store, Home Improvement Contractor, Bathroom Remodeler, Handyman, Custom Home Remodeling Contractors, Renovations, Water Damage Restoration Service, Small Home Improvement Projects, Residential Remodeling Services, Kitchen Remodeler, Custom Roo

Here at JSP Home Improvement Contractors, we take pride in providing the best services and satisfying our customer needs. We specialize in Home Improvement Store, Home Improvement Contractor, Bathroom Remodeler, Handyman, Custom Home Remodeling Contractors, Renovations, Water Damage Restoration Service, Small Home Improvement Projects, Residential Remodeling Services, Kitchen Remodeler, Custom Roo


Avatar for Kuche + Cucina

Kuche + Cucina

4.74(
23
)

Kuche + Cucina

4.74(
23
)
Customers say: Super punctual
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers

Küche+Cucina has 2 locations - Paramus and Madison, NJ. They have been designing award winning kitchens since 1989. They have won a variety of design awards, including the “Best of Show” Design Award from Signature Kitchen & Bath Magazine – 7 times! Their exceptional design projects have graced the pages and covers of numerous national design magazines and were featured on HGTV, DIY, The Sopranos and The Apprentice. Their success has made them a household name in their local market and has afforded them national recognition as well - They were commissioned to design the architectural school dorms at Harvard University, the cabinetry of the NYC Plaza Hotel and other multi-unit projects around the country. According to Amir J. Ilin, Küche+Cucina’s president, their success is mainly attributed to their philosophy: “Quality Doesn’t Cost – It Pays!” Ilin explains that the company’s mission is to improve the living standards of their clients by empowering them to make informed choices. Their clients are offered the best possible design concepts, showcased within 2 showrooms - 6,000 square feet in Paramus, NJ and the new 5,000 square feet, in Madison, NJ. These displays of products from around the world have been created by Küche+Cucina’s award-winning designers to fit every taste and most budgets. To date, Küche+Cucina has created and installed more than 3,000 kitchens around the US and abroad. Küche+Cucina employs an experienced and talented group of professionals dedicated exclusively to room design and installation. Jointly, they bring the project to a successful completion. Together, Küche+Cucina and the client create the real showroom…the client’s home.

Küche+Cucina has 2 locations - Paramus and Madison, NJ. They have been designing award winning kitchens since 1989. They have won a variety of design awards, including the “Best of Show” Design Award from Signature Kitchen & Bath Magazine – 7 times! Their exceptional design projects have graced the pages and covers of numerous national design magazines and were featured on HGTV, DIY, The Sopranos and The Apprentice. Their success has made them a household name in their local market and has afforded them national recognition as well - They were commissioned to design the architectural school dorms at Harvard University, the cabinetry of the NYC Plaza Hotel and other multi-unit projects around the country. According to Amir J. Ilin, Küche+Cucina’s president, their success is mainly attributed to their philosophy: “Quality Doesn’t Cost – It Pays!” Ilin explains that the company’s mission is to improve the living standards of their clients by empowering them to make informed choices. Their clients are offered the best possible design concepts, showcased within 2 showrooms - 6,000 square feet in Paramus, NJ and the new 5,000 square feet, in Madison, NJ. These displays of products from around the world have been created by Küche+Cucina’s award-winning designers to fit every taste and most budgets. To date, Küche+Cucina has created and installed more than 3,000 kitchens around the US and abroad. Küche+Cucina employs an experienced and talented group of professionals dedicated exclusively to room design and installation. Jointly, they bring the project to a successful completion. Together, Küche+Cucina and the client create the real showroom…the client’s home.

...
Showing 1-10 of 1000
FAQs for second story addition building service projects in Central Islip, 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 Central Islip, 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.