The Alameda County Sheriff's Office is a full-service law enforcement agency accredited through the Commission on Accreditation for Law Enforcement Agencies (CALEA) and the American Correctional Association (ACA). Additionally, the agency's health care provider, Prison Health Services, has dual accreditation through the National Commission on Correctional Health Care (NCCHC) and the California Medical Association (CMA).  Together these form what is referred to as the "Triple Crown" of accreditation (ACA, NCCHC/CMA and CALEA) awarded by the National Sheriff's Association.  Additionally, the Sheriff's Office Crime Lab is nationally accredited by the American Society of Crime Laboratory Directors (ASCLD).  The Sheriff's Office Explosive Ordinance Disposal Unit has also been awarded national accreditation through the Bomb Squad Commanders Advisory Board.

The Sheriff's Office has a current adjusted net budget of approximately $185.7 million and has over 1500 authorized positions, including in excess of 1000 sworn personnel. The agency's Chief Executive Officer is Sheriff Gregory J. Ahern, who is assisted in the operation of the agency by Undersheriff Richard T. Lucia, Assistant Sheriff's Brett Keteles and Casey Nice.