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206 Mail Parking Nuages, 14529 Levallois-Perret, France.

Mail: Maikoarchitecture@gmail.com

Phone number: +8120-360-4027

Work Inquiries

work@maiko.bravistheme.com

Mail: Maikoarchitecture@gmail.com

Phone: +8120-360-4027

Working Time

Monday - Friday: 8.00am - 6.00pm

Saturday:9.00am - 5.30pm

Holiday: Closed

Expert Dormer Construction on Long Island & the Hamptons

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

#1 Dormer Contractors in The Hamptons

At Cascella and Sons Construction, we specialize in high-quality dormer construction that adds both function and beauty to your home. Whether you’re looking to increase square footage, improve natural light, or add a new bedroom or bathroom, a dormer is one of the most efficient and cost-effective ways to expand your living space—without changing your home’s original footprint.

We proudly serve homeowners across the Hamptons and Long Island with precision craftsmanship and personalized attention. Our dormer projects are tailored to match your existing structure and architectural style, giving your home a seamless, elevated look.

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A Step-by-Step Guide to Our Dormer Addition ProcessBuilding Your Dream with Cascella and Sons

Embark on a journey with Cascella and Sons Construction as we transform your vision into reality with our proven dormer addition process. Whether you’re expanding an attic, adding light, or increasing square footage, our detailed approach ensures your home addition is crafted with precision, professionalism, and care.

Step 1: Consultation & Design
Maecenas varius egestas mauris vestibulum We begin by meeting with you to understand your needs, preferences, and vision. Our design experts then create a dormer concept that fits your home’s architecture, complies with local codes, and meets your budget. This includes 3D renderings and layout options for your review.
Step 2: Permits & Planning
Maecenas varius egestas mauris vestibulum Once you approve the design, we handle all permit applications and inspections required by your local municipality. We develop a full project timeline and coordinate with inspectors to ensure a smooth approval process before construction begins.
Step 3: Construction & Execution
Step 3: Construction & ExecutionOur experienced construction team begins building your dormer using top-tier materials and proven techniques. We manage all phases — framing, roofing, insulation, and finishing — with a focus on craftsmanship and safety. You’ll receive progress updates every step of the way.
Step 4: Final Walkthrough & Completion
Maecenas varius egestas mauris vestibulum Step 4: Final Walkthrough & CompletionOnce construction is complete, we walk you through the finished dormer to ensure every detail meets your expectations. We review all work, finalize documentation, and leave your home clean, beautiful, and enhanced.

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.
Dormer Options

Types of Home Additions We Build

Second Story Additions Bathroom Expansions Garage Conversions Basement Finishing & Expansions

Second Story Additions
Ready to build up instead of out? Our second-story addition services are ideal for growing families or homeowners who want to preserve yard space while adding significant square footage. We manage the architectural planning, structural engineering, permits, and full construction of second floors — from new master suites and guest bedrooms to upstairs offices and playrooms.

A bathroom expansion can dramatically improve your home's comfort, layout, and resale appeal. Whether you need to enlarge a powder room, add a double vanity, or build a new luxury ensuite, Cascella and Sons provides custom bathroom additions tailored to your home's footprint and style. We handle plumbing, waterproofing, tile installation, and finishes with precision and care.

Maximize your home's existing footprint with a professional garage conversion by Cascella and Sons. We transform underutilized garage spaces into fully functional living areas—ideal for home offices, guest suites, gyms, or media rooms. Our team handles every phase, including insulation, electrical, plumbing, and permits, ensuring the new space blends seamlessly with your home’s interior. Create the extra room you need without expanding your home’s foundation.

Basement Finishing & Expansions
Unlock the full potential of your home with a finished basement designed by Cascella and Sons. Whether you want a family entertainment zone, home theater, gym, or extra bedrooms, we turn dark, unfinished basements into vibrant, usable space. We manage waterproofing, egress windows, lighting, flooring, and structural enhancements to deliver a safe, stylish, and code-compliant lower level. Let us help you transform your basement into one of your home's most valuable assets.

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Why Choose Hamptons Dormers

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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Frequently Asked Questions About Dormer Construction

With deep roots in the Hamptons and decades of residential construction experience, Hamptons Dormers is known for integrity, quality, and results that last. We understand the local zoning rules, design standards, and coastal building codes that make this area unique—and we build with all of that in mind. Our goal is not just to build you more space, but to do so with care, craftsmanship, and long-term value.

Why Choose a Dormer?
A dormer is more than just a roof extension—it’s a functional upgrade that completely transforms your home’s upper level. From boosting headroom to improving curb appeal, dormers offer a cost-effective way to expand your space without altering your home’s footprint. Whether you’re planning to stay for years or increase resale value, a well-built dormer is a smart investment in your home.
How long does a dormer project take to complete?
Most dormer builds take 4 to 8 weeks from the start of construction, depending on complexity and weather conditions. We’ll give you a clear timeline before we begin and keep your project on schedule.
Will a dormer match the look of my existing home?
Yes—at Hamptons Dormers, we take pride in designing dormers that seamlessly blend with your home’s current architecture, roofline, and exterior materials. The result is a natural, elegant expansion that adds curb appeal and value.
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