Contact Us

Contact us

Mainstream Centers, Inc.
350 W. Mauna Loa
Glendora, CA 91740
Phone: 626-335-8110
Fax: 626-914-1614

Tia Sommers – Program Director
tsommers@mainstreamcenter.com

Other Important Contacts

San Gabriel/Pomona Regional Center
761 Corporate Center Drive
Pomona CA 91768
909-620-7722

Department of Developmental Services
Office of Human Rights and Advocacy Services
1600 9th Street, Room 240
Sacramento, CA 95814
(916) 654-1690
www.dds.ca.gov/complaints