Law Enforcement Agencies in El Cajon, CA CA › San Diego County Agencies serving the city of El Cajon in CA. Agency Types in El Cajon Campus Police 1 agencies Municipal Police 1 agencies Tribal Police 1 agencies All Agencies in El Cajon, CA El Cajon Police Department San Diego County Grossmount-Cuyamaca Cmnty College San Diego County Sycuan Department of Public Safety San Diego County
