With our new office in the heart of the Florida Keys, Marathon, NU Concept Homes has been building in the South Florida area since 1996. Unlike many other builders, we specialize in all Modular construction - Single Family Homes, Townhouses, Multi-Family, and Commercial buildings. In a unique building environment like the Florida Keys, Modular construction is the most effective way to control quality and building costs, in addition to being the fastest way to build your dream home or custom addition.