CONTACT US Stop by and visit us, or connect with us on social media, by email, phone or mail. DONATE Horizons Unlimited Horizons Unlimited of San Francisco, Inc. 440 Potrero Avenue San Francisco CA 94110 By phone (415) 487-6700 (415) 487-6730 By fax (415) 487-6724 Comments or questions are welcome Name * Email * Subject Phone Message * * Required Or: *protected email*