Government Offices in Castaic, CA Los Angeles County Parks31230 Castaic RdCastaic, CA, 913846617758865Government OfficesNorth County Correctional Facility29340 The Old RdCastaic, CA, 913846612957851Correctional FacilitiesCorrectional FacilityCounty JailDetention CenterFederal PrisonGovernment OfficesShow More