Mandm Custom Homes

Our Mission

M&M Custom Homes is renowned as one of the premier home builders in the Hamptons and Nassau County, New York. Our unwavering commitment to excellence allows us to provide a superior client experience, creating exceptional value with state-of-the-art construction and unsurpassed design. We strive to make the construction process smooth and seamless for our clients, ensuring their vision for a dream home becomes a reality.

Quality Craftsmanship

As one of the Hamptons' leading home builders, M&M Custom Homes is known for achieving the highest standards through an unparalleled commitment to excellence. Our strong work ethic, steadfast attention to detail, and no-nonsense attitude ensure that every phase of the building process runs smoothly. The functionality and aesthetics of your custom home are our utmost priority, and we take pride in realizing your vision for a home that perfectly reflects your unique taste, needs, and lifestyle.

At M&M Custom Homes, we believe that construction should be an enjoyable experience for our clients. We make it our mission to deliver a seamless home building process, working closely with you every step of the way. From the initial design phase to the final walkthrough, we're committed to ensuring your complete satisfaction.

Meet Marc Underberg

Marc Underberg, Principal of M&M Custom Homes, is in the business of turning dreams into reality. With more than twenty years of experience building homes, Marc is skilled in all aspects of construction and development. He has developed residential and commercial properties throughout the east coast, managed numerous civil and municipal projects, and built custom homes on Long Island's Gold Coast and in western Suffolk County.

In 2001, Marc established M & M Custom Homes and quickly expanded his business to the Hamptons. Partnering with renowned broker Gary DePersia of The Corcoran Group, Marc has earned a reputation as one of the premier home builders on the East End. He takes pride in building homes that will become cherished family gathering places for generations to come.

Marc holds a bachelor's degree from C.W. Post/Long Island University and while running his successful construction business, attended law school at night, earning his J.D. from Touro Law School. Marc lives in Mill Neck, Long Island with his wife, son, two daughters, and an ever-growing brood of rescue animals.

Available Homes

At M&M Custom Homes, we have a variety of homes available in the Hamptons and Nassau County. Our homes are designed with the utmost attention to detail and functionality, ensuring that they meet your unique needs and tastes.

If you're looking for a custom-built home in the Hamptons or Nassau County, look no further than M&M Custom Homes. We're committed to delivering a seamless home building process and turning your dreams into a reality.