California Government Sources
CJSC Publications (California Office of the Attorney General). Criminal statistics, current and past.
Los Angeles County Sources
CJSC also includes Statistics by City and County
Crime and Arrest Statistics. Los Angeles County Sheriff's Department
Los Angeles City and San Fernando Valley Government Sources
Data by Los Angeles City or LAPD division is available from Crime Mapping and COMPSTAT which can be tabulated with data for other cities in the San Fernando Valley to determine a total for the valley when all reporting agencies use crime definitions specified by the FBI for crime reporting.