Commercial

This page contains important resources for Castro Valley Sanitary District Commercial customers.

Commercial Contact Information

Castro Valley Sanitary District (CVSan):(510) 537-0757

21040 Marshall Street

Castro Valley, CA 94546-6020

Sewer Emergencies, Business Hours, 7:30 am - 4:30 pm: (510) 537-0757
Sewer Emergencies, After Hours: 4:30 pm - 7:30 am: (510) 506-5821
Alameda County Industries (ACI): (510) 483-1400
Davis Street Transfer Station: (510) 638-2303