Acton is an unincorporated community in Los Angeles County’s Fifth Supervisorial District. Contact Supervisor Kathryn Barger’s office for Fifth District constituent assistance and County matters.
Antelope Valley field office
Charles Bostwick, Field Deputy
42455 10th Street West, Suite 104
Lancaster, CA 93534
(661) 726-3600
Supervisor’s main office
869 Kenneth Hahn Hall of Administration
500 W. Temple Street
Los Angeles, CA 90012
(213) 974-5555
kathryn@bos.lacounty.gov
Official field-office directory · Supervisor Barger’s official website
Call the office to confirm hours and appointment availability before traveling. For Acton Town Council correspondence, use atc@actontowncouncil.org.
Office information checked against the official Fifth District directory on October 21, 2026.
