Complex sentence: GUCL has been located in the same two story brick building since 1970, the building was constructed in 1941 by Los Angeles County for use by the Health Department and as a County Courthouse.
Split into simpler sentences: GUCL has been located in the same two story brick building since 1970. That building was constructed in 1941 by Los Angeles County for use by the Health Department and as a County Courthouse.