GBDF is a maximum security facility and the largest of all the facilities operated under the San Diego County Sheriff’s jurisdiction. Construction of the facility was completed in 1991. The facility was opened for limited operation in 1993 and was fully operational in 1994.
The Board of State and Community Corrections (BSCC) rated capacity is 1,380 inmates. It houses a very diverse population of inmates, some with special housing needs. Currently, the facility houses three units of distinct special management inmates.