Nantucket custom builders Main Street Construction is led by owner Dwyer Maloney. We specialize in building bespoke homes, luxury renovations, and the renovations of historic Nantucket properties. With nearly four decades of experience, Dwyer works closely with clients, architects, and designers to deliver homes defined by exceptional craftsmanship, thoughtful detail, and seamless project management from concept to completion. We deliver timeless homes that reflect both our clients’ vision and the enduring character of Nantucket.