Contact Us

You can contact any one of our programs directly or call our administrative offices at:

510-582-2100

Fax 510-582-1221

Please email us at contact@hsimail.org or fill the form out below.

 

Mailing Address

Horizon Services, Inc

PO Box 4217

Hayward, CA 94540

 

Administrative Offices

22688 Second St

Hayward, CA 94541