Second Flor Addtions
on Long Island, NY

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At TCR Builders, we help you double your living space without leaving the neighborhood you love. With over 20 years of experience as specialists in Second Floor Additions and Home Extensions, we are the general contractor Long Island homeowners trust to transform single-story houses into spacious Colonials or Capes across Nassau County, Suffolk County, and surrounding areas, including Garden City, Mineola, Rockville Centre, and Williston Park, NY.

We specialize in seamless second-story additions that blend perfectly with your existing structure. Whether you need more bedrooms, a master suite, or extra bathrooms, our team of expert contractors manages the entire process—from structural reinforcement and architectural planning to roofing and final finishing. We ensure your new level looks like it was always part of the original design.

Looking for home addition contractors near you to maximize your property value? TCR Builders delivers precision craftsmanship, ensuring structural integrity and unmatched aesthetic appeal. We offer flexible financing options to make your expansion project a reality. As one of the leading home renovation companies on Long Island, we turn your current house into your forever home.

If you need a licensed contractor who understands the complexities of expanding upwards in Long Island, TCR Builders is your go-to partner for expanding your square footage and your lifestyle.

Our Projects

Custom Home Projects

Second Floor Addition /
Levittown

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Second Floor Addition /
West Babylon

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Top Home Extension Experts You Can Rely On

We stand behind every
one of our services and products.

20 years of workmanship

20 Years of Workmanship

You should be proud of your new custom home. It’s the result of thoughtful planning, expert craftsmanship, and our commitment to creating something truly your own

1 year warranty

1-Year Warranty

If any issues arise from construction defects or installation errors within the first year, we’ll take care of the repairs at no additional cost.
custom home financing

Custom Home Financing

Personalized financing plans allow you to get started on your custom home build now and pay later.

Increase Your Property Value
by Expanding Your Home

Maximize functionality
Rather than struggling with a partially functioning house, a custom home will help you utilize every bit of usable space. At TCR Builders, we do not let any space go to waste.
High-quality materials
Unlike an already built and ready-to-move in-house, where you are not certain about the quality and type of materials used, for a custom house, you can be sure that we will use the highest quality of products, materials, and brands.
Budget control
You probably think that a custom house might need a bank-breaking amount of finance, but worry less because you decide your budget. Choosing the TCR Builders will also be a massive advantage for you since we have a financing plan to start your project now and worry about cash later.
Choice of location
Are you the type of person that prefers seclusion? Or do you prefer living in a community? For a custom build house, that is entirely up to you. You get to choose a location of your choice because a home is not just a short time plan; you will want to live in an area you are comfortable with, a location that sits well with your values.
Express yourself
No one wants to live in a place where you have to struggle to fit and adjust to it; you want a home that suits all your desires, routines, culture, and taste. If you prefer natural lighting, then you could incorporate glass walls or huge windows. If you love having your coffee in the morning while looking at the sunrise, then at TCR Builders, we will make sure you get exactly that. A home that blends well with your personality will make you happier.
A variety of options
As the homeowner, you get to decide what goes or what doesn’t in your new home. You will choose everything from scratch, from the floor to the amenities, appliances, cabinetry trim, wall coverings, etc. As TCR Builders, our role here will be to guide you when making this life decision.