Pay your bill online, or in-person at City Hall:
955 School St
Napa, CA 94559
PO BOX 660
Napa, CA 94559
707-257-9508
Link: Water Division Page
Lobby Hours
Monday-Thursday 8AM - 5PM, Fridays by phone or appointment only.
Emergency during Business Hours, M-F, 8AM - 5PM:
707-257-9521
Emergency after hours or weekends: Napa PD Dispatch
707-253-4451