PRINCIPAL BUILDERS INC

Principal Builders Inc provides professional ADU construction services in San Francisco, California. They hold an active B - General Building license (#829808) verified through California Contractors State License Board (CSLB). With over 22 years of experience, they bring deep expertise to every project. Their ADU services include detached ADU construction and garage conversions. They serve clients throughout San Francisco County. Call (415) 434 1500 or request a free consultation online.