Founded in 1907, Overaa is a fourth generation, family-owned and operated general contractor. Headquartered in the San Franci ... sco Bay Area, with offices in Richmond and San Jose, Overaa conducts operations throughout Northern California. We are consistently recognized as one of the top national and regional contractors, with award-winning projects found in nearly every major city in the Bay Area. We specialize in collaborative delivery systems, from design-build to integrated project delivery. read more