Andreassi Development specializes in pre-building planning & design, renovations, contracting consulting, construction management, build-out execution, sales and trade for new construction and commercial projects in the Hamptons, Southampton, Water Mill, Sag Harbor, Bridgehampton and more. We go the extra mile to ensure our clients have a comfortable, customized, and enjoyable experience when buying or selling a home or land in one of the world's most beautiful places.