Dormer Construction Services in Sag Harbor, NY

Seamless Additions That Bring Light, Space, and Style to Your Home

#1 Dormer Construction Services in Sag Harbor, NY

Add character and space to your Sag Harbor home with a custom dormer from Cascella and Sons. Our expert team designs and builds dormers that not only expand your interior space but also maintain the charm and integrity of historic Sag Harbor homes. Let us help you bring your renovation ideas to life.

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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

As a family-owned company based on Long Island, we know the homes, neighborhoods, and building codes of the Hamptons inside and out. We’re not a franchise—we’re your neighbors. And we treat your home with the same care we’d give our own.

Quality Craftsmanship, Backed by Experience

With decades of experience in residential construction, our team delivers projects that stand the test of time. From foundation to finish work, we focus on every detail to ensure precision, durability, and timeless style. We don’t cut corners—and our results speak for themselves.

Personalized Service from Start to Finish

At Cascella and Sons, you’re never just another job. We work closely with each client to understand your vision, provide honest guidance, and deliver a final result that exceeds expectations. You’ll always know where your project stands—and you’ll love where it ends up.

Ready to Build Something Exceptional?

Whether you’re planning a dormer, a kitchen transformation, or a full home extension, Cascella and Sons Construction is the team to trust. Let’s bring your ideas to life with craftsmanship and care that you can count on.

Sag Harbor Dormer Contractors

Dormers are a practical solution for families who need more room but want to stay in the home and community they love. They create valuable headroom in upper-level spaces, improve airflow and daylight, and allow for the addition of new bedrooms, bathrooms, offices, or studio spaces. In addition to function, dormers add character and curb appeal to your home’s exterior, making them a valuable investment in both style and property value. With thoughtful design and quality construction, dormers elevate both the form and function of your living space.

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