An ADU Builder specializes in designing and constructing Accessory Dwelling Units, which are secondary housing units on residential lots. These professionals handle everything from permitting and design to construction and final inspections. ADU builders help homeowners maximize property value and create flexible living spaces. Whether it’s a detached unit, garage conversion, or basement apartment, they ensure the project meets local codes and zoning laws. Choosing an experienced ADU builder can simplify the entire process and deliver high-quality results.