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 Sentri Homes

Sentri Homes

New on HomeAdvisorNew on HomeAdvisor
Approved Pro

Sentri Homes

New on HomeAdvisorNew on HomeAdvisor
Approved Pro
1466 local quotes requested
2 years of experience

Sentri Homes is a full-service contractor delivering high-end home additions, whole-home remodels, new custom builds, luxury kitchens, structural framing, roof replacements, and every major renovation. We assign a dedicated project manager to every job, deliver meticulous craftsmanship with clear communication, and back our work with an industry-leading warranty to ensure complete peace of mind on your largest investments. Our in-house team of licensed builders and master craftsmen consistently earns 5-star reviews by turning big visions into stunning, high-value homes—when you need one trusted partner who truly does it all, we’re the proven choice.

Sentri Homes is a full-service contractor delivering high-end home additions, whole-home remodels, new custom builds, luxury kitchens, structural framing, roof replacements, and every major renovation. We assign a dedicated project manager to every job, deliver meticulous craftsmanship with clear communication, and back our work with an industry-leading warranty to ensure complete peace of mind on your largest investments. Our in-house team of licensed builders and master craftsmen consistently earns 5-star reviews by turning big visions into stunning, high-value homes—when you need one trusted partner who truly does it all, we’re the proven choice.


MCM Construction

No reviews yet

MCM Construction

No reviews yet

CUSTOM SPRAYING AND REGLAZING

4.73(
33
)

CUSTOM SPRAYING AND REGLAZING

4.73(
33
)
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

Reglazing of bathtubs,sinks,tiles,electrostatic painting of metal surfaces,office furniture ,metal kitchen cabinets

Reglazing of bathtubs,sinks,tiles,electrostatic painting of metal surfaces,office furniture ,metal kitchen cabinets


VJP Construction Inc

No reviews yet

VJP Construction Inc

No reviews yet
Free onsite estimate

ALL RENOVATION

4.00(
4
)

ALL RENOVATION

4.00(
4
)
Customers say: Quick response
20 years of experience

ADDITIONAL EMAIL ADDRESS: ALLRENOVATION@CS.COM

ADDITIONAL EMAIL ADDRESS: ALLRENOVATION@CS.COM


Personal Touch Contracting

No reviews yet

Personal Touch Contracting

No reviews yet
41 years of experience

all phases of home improvements ,kitchen and bath renovations, garage and basement conversions

all phases of home improvements ,kitchen and bath renovations, garage and basement conversions


Outdoor Design Solutions

No reviews yet

Outdoor Design Solutions

No reviews yet
12 years of experience

Landscape Design & Build Services,

Landscape Design & Build Services,


Betty Wasserman Art & Interiors Ltd

No reviews yet

Betty Wasserman Art & Interiors Ltd

No reviews yet
29 years of experience

Betty Wasserman, one of the best New York interior designers as determined by accomplishments as well as industry and media recognition, launched her design business in 1996 by synthesizing 10 years as a New York based private art dealer with a passion for design and architecture. She is committed to a warm and minimalist approach to her interiors. Known for Loft Spaces and Hamptons beach houses; she became notable in Chelsea for renovating her own loft space, which serves as a showcase and testament to her aesthetic.

Betty Wasserman, one of the best New York interior designers as determined by accomplishments as well as industry and media recognition, launched her design business in 1996 by synthesizing 10 years as a New York based private art dealer with a passion for design and architecture. She is committed to a warm and minimalist approach to her interiors. Known for Loft Spaces and Hamptons beach houses; she became notable in Chelsea for renovating her own loft space, which serves as a showcase and testament to her aesthetic.


Ernest Construction Inc

No reviews yet

Ernest Construction Inc

No reviews yet
22 years of experience

At Ernest Construction Inc., we provide beautiful remodeling, refurbishing, and specialty construction jobs tailor fit to your specific needs and budget.

At Ernest Construction Inc., we provide beautiful remodeling, refurbishing, and specialty construction jobs tailor fit to your specific needs and budget.


New Vision Home Improvements

No reviews yet

New Vision Home Improvements

No reviews yet

I am a licensed and insured contractor, specializing in everything- from windows, doors, flooring/tiling, kitchens, and baths to decks, siding, roofing, and custom woodwork.

I am a licensed and insured contractor, specializing in everything- from windows, doors, flooring/tiling, kitchens, and baths to decks, siding, roofing, and custom woodwork.

...
Showing 1-10 of 1005
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.