Even with a small lot no bigger than 324 square feet of space, California Modulars can build an ADU on your lot! Using less of your budget and rapid off-site construction methods, we are proud to claim the we have one of the smartest solutions on the market. Built with no compromises in quality, in structural sense our ADUs are likely stronger than your existing permanent structure. We can assure you that once put on a permanent foundation, our ADUs will stand the test of time.