HDTA Headquarters
26111 Bouquet Canyon Road, Suite H-2
Santa Clarita, CA 91350
Phone: 661/255-0311
Fax: 661/255-6404
e-mail: info@hartdistrictteachers.org

CTA State Headquarters
P.O. Box 921
1705 Murchison Drive
Burlingame, CA 94010
Phone: 650/697-1400
Fax: 650/552-5002
e-mail: webmaster@cta.org