Luxury Custom Home Builders & Design-Build Experts in Hamptons

 Alexim Builders is a leading name among Hamptons design-build firms, specializing in luxury residential construction throughout East Hampton, Southampton, and the surrounding areas. With decades of experience and a reputation built on quality, craftsmanship, and client satisfaction, we provide full-service custom home building and renovation solutions tailored to your lifestyle and vision.

As premier Hamptons builders, we take a comprehensive approach to every project—managing all aspects from design and planning to construction and finishing. Our design-build model ensures a seamless, efficient, and collaborative experience. Whether you’re envisioning a sleek modern retreat in East Hampton or a classic shingle-style estate in Southampton, our team transforms ideas into homes of enduring value and beauty.

Our work reflects a deep understanding of local architecture, building codes, and the natural beauty of the Hamptons landscape. We carefully integrate high-performance materials, energy-efficient systems, and timeless design elements to create homes that are as functional as they are stunning. Our in-house experts work hand-in-hand with architects, interior designers, and engineers to ensure your home is built to exacting standards—with no compromises.

Alexim Builders offers a wide range of services, including:

• New Custom Home Construction

• Full Home Renovations

• Architectural Design Coordination

• Site Planning and Permitting

• Historic Restorations

• Kitchen and Bathroom Remodeling

• Interior and Exterior Upgrades

As experienced East Hampton custom builders, we are skilled in crafting homes that reflect both the client's personality and the unique charm of the East End. Our Southampton projects highlight our ability to preserve classic Hamptons aesthetics while incorporating modern conveniences and smart home features. Every detail—from trim and flooring to lighting and landscape integration—is handled with precision and care.

What sets Alexim Builders apart from other Hamptons custom builders is our unwavering commitment to quality and communication. We believe that building or renovating a home should be an exciting and rewarding journey. That’s why we prioritize transparency, keep our clients informed at every stage, and remain available to answer questions long after the project is complete.

Whether you are building your forever home, a summer retreat, or upgrading an investment property, our team is here to help you navigate the process with confidence. Our deep local knowledge and long-standing relationships with suppliers and subcontractors enable us to deliver on time and on budget—without sacrificing quality.

We’re also proud to serve clients seeking eco-conscious and energy-efficient construction. From sustainable materials to solar-ready roofing and smart HVAC systems, we help homeowners reduce their carbon footprint while increasing long-term value and comfort.

At Alexim Builders, your vision is our mission. As trusted house construction specialists in the Hamptons, we’ve completed dozens of successful projects across East Hampton, Southampton, and nearby communities. Each home stands as a testament to our passion for excellence, attention to detail, and customer-first philosophy.

If you're looking for a team that combines high-end craftsmanship with a personalized building experience, choose Alexim Builders. Let us help you create a home that not only meets your needs but inspires you every day.