Building a Better Community, One Home at a Time.
Our History
Established in 1973, Cox Construction Company has a rich history rooted in craftsmanship and a deep commitment to exceeding client expectations. What began as a small operation with John F. Cox at the helm has blossomed into a respected name synonymous with quality construction in the Sayville, West Sayville, and Bayport communities. John's passion for building started early, honed during his time at Craft Home Improvement in Amityville. After a courageous service in Vietnam defending liberty, John returned home with a renewed determination. He decided to forgo taking orders and instead, answer the call to build his own dream-Cox Construction. The company initially spread its wings across Long Island, upstate New York, and even venturing into the bustling city of New York. Cox Construction's diverse portfolio showcases a remarkable range of projects. They restored the charm of Red Lobster Inns throughout the Northeast, erected impressive private residences exceeding 15,000 square feet in esteemed locations like Old Field and Amagansett, and undertook countless home improvement projects spanning everything from kitchens and bathrooms to intricate millwork and trim.
From Vision to Reality
In the late 1990s, John's wife Kathy encouraged him to focus his talents closer to home in Sayville. John embraced the idea, and Cox Construction quickly became an integral part of the Sayville community's building landscape. The company embraced the unique architectural heritage of Sayville by meticulously restoring Victorian-era homes, while also building new residences that seamlessly blended with the area's character. Beyond traditional home construction, Cox Construction demonstrated their versatility by completing full remodels, intricate home lifting projects, adding charm to restaurants, constructing marinas, and even transforming a space into a dazzling jewelry store.
John's dedication to Sayville extended far beyond building projects. He actively contributed to the community's betterment by spearheading the construction of the performance pavilion in Common Ground Park, constructing the food pantry at Gillette House, and building the Welcome Center for the Sayville Chamber of Commerce. His dedication to enhancing the town's visual appeal was evident in his role, along with his son Ryan, in installing over one hundred brackets to beautifully adorn Sayville's streets with colorful flowers. John's unwavering commitment to Sayville culminated in his becoming President of the Sayville Chamber of Commerce in 2015, a testament to his deep-rooted involvement in the community.
Building Lasting Relationships
Even today, over four decades later, John remains deeply involved with every project Cox Construction undertakes. He oversees every detail, ensuring the same meticulous quality and unwavering commitment that has defined Cox Construction's legacy. This dedication, paired with their dedication to excellence, has built a reputation for exceptional craftsmanship and client satisfaction.
Our Services
Cox Construction Company offers a comprehensive range of construction and renovation services to meet the diverse needs of our clients. Whether you're dreaming of a complete home transformation or a subtle enhancement, our team of skilled professionals is ready to bring your vision to life.
- Full Builds: We specialize in constructing stunning new homes from the ground up, meticulously tailored to your specifications and architectural preferences.
- Renovations: Breathing new life into existing spaces is our specialty. Our renovation services encompass everything from updating outdated kitchens and bathrooms to transforming entire floors, revitalizing classics, and modernizing homes for today's living.
- Windows: We professionally install high-quality windows that enhance your home's energy efficiency, curb appeal, and natural light.
- Millwork: Our expertise extends to crafting intricate millwork details that elevate the aesthetic appeal and elegance of your space. From moldings and trim to custom built-ins, we deliver exceptional workmanship.
- Extensions: Expanding your living space seamlessly is a breeze with our expert extension services. We create functional and stylish additions that perfectly complement your existing home architecture.
- Basements: We transform unfinished basements into valuable living areas, complete with functional spaces designed to suit your needs, whether it's a home theater, a game room, or additional bedrooms.
- Doors: We specialize in installing beautiful and durable doors that enhance both the security and aesthetic appeal of your home.
- Siding: We offer a wide range of siding options to perfectly complement your home's exterior, providing both protection and curb appeal.
- Additions: Expanding your living space seamlessly is a breeze with our expert addition services. We create functional and stylish additions that perfectly complement your existing home architecture.
- Kitchens: We transform kitchens into functional and beautiful heart of the home, incorporating the latest design trends and innovative materials.
- Trim: We meticulously install trim work that adds definition, sophistication, and a polished finish to your interior spaces.
- Decks: We build stunning outdoor decks that provide a perfect space for relaxing, entertaining, and enjoying the beauty of your surroundings.
- Dormers: We expertly install dormers to add natural light, usable space, and architectural charm to your home.
- Bathrooms: We create luxurious and functional bathrooms that reflect your personal style and enhance the value of your home.
- Moldings: From crown moldings to baseboards, we add elegance and detail to your interior spaces.
- Roofing Services: We provide comprehensive roofing services, from repairs and maintenance to full roof replacements, ensuring your home is protected from the elements.

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