Los Angeles County Office of Education Share: Non Profit Los Angeles County Office of Education Visit Website 21415 Plummer Street Chatsworth, CA 91311 (818) 718-4342 (818) 718-4343 (fax) Rep Info Map Whom to Contact Noemi Castaneda Phone: (818) 718-4342 Send an Email What's Nearby? Distance: 5 10 15 20 25 50 mi.