Thoughtfully Designed, Expertly Built — Expand Your Home with Hamptons Dormers
Home Extensions in the Hamptons & Long Island
When you love your home but need more space, a well-planned extension can transform the way you live. At Hamptons Dormers, we specialize in building seamless, high-quality home extensions that enhance both the beauty and functionality of your property. Whether you’re looking to expand your kitchen, add a guest suite, create a sunroom, or build a second-story addition, our team brings decades of experience, local knowledge, and unmatched craftsmanship to every project.
We proudly serve homeowners across the Hamptons and Long Island’s East End, delivering personalized service and elegant results that feel like a natural part of your existing home.

About Cascella and Sons Construction
At Cascella and Sons Construction, we specialize in transforming homes across the Hamptons and Long Island with expertly built dormers, seamless home extensions, and beautifully tailored kitchens. With every project, we bring generations of hands-on craftsmanship, clear communication, and a genuine commitment to quality.
Trusted, Local Builders Serving the Hamptons
Quality Craftsmanship, Backed by Experience
Personalized Service from Start to Finish
Ready to Build Something Exceptional?

Let’s Design Your Perfect Home Extension
Built for the Hamptons
We understand the unique characteristics of homes in the Hamptons—from traditional shingle-style designs to modern coastal retreats. Our team is familiar with local zoning laws, permit requirements, and environmental regulations, and we build every extension with durability, elegance, and local compliance in mind.
We use high-quality materials and time-tested building practices to create extensions that stand up to the seasonal elements and age beautifully over time.
Why Choose Hamptons Dormers?
We understand the unique characteristics of homes in the Hamptons—from traditional shingle-style designs to modern coastal retreats. Our team is familiar with local zoning laws, permit requirements, and environmental regulations, and we build every extension with durability, elegance, and local compliance in mind.
We use high-quality materials and time-tested building practices to create extensions that stand up to the seasonal elements and age beautifully over time.
How long does a home extension project usually take?
We ensure every detail, from roofline to trim, blends perfectly with your existing structure, maintaining your home’s charm while adding valuable square footage.