Horizon Services, Inc. is a non-profit, community based organization committed to reducing alcohol and drug related problems within the community.. We can help. We offer residential & non-residential programs providing safe,effective and affordable environments for recovery from alcohol & drug addiction. Our professionals are standing ready to support you. All you need to do is pick up the phone. LOCATIONS: Cherry Hill Detoxification Services. 2035 Fairmont Drive,San Leandro,CA 94578. Phone: 866-866-7496. PALM AVE SOCIAL MODEL DETOX PROGRAM: 2251 Palm Ave. San Mateo,CA 94403. Phone: 650-513-6500 CRONIN HOUSE: 2595 Depot Road,Hayward,CA 94545. 34-bed Residential Primary care program for men and women affected by alcohol,drug abuse and mental health issues. CHRYSALIS: 3837 Telegraph Ave. Oakland,CA 94609. Phone: 510-450-1190. HORIZON SOUTH: 650 Bascom Ave. San Jose,CA 95128. Phone: 408-283-8555. PROJECT EDEN: 22646 Second St. Hayward,CA 94541.