The City of Hollister Utilities Division office hours are 7:30 a.m. to 4:30 p.m. Monday thru Friday.  We are closed for lunch for from 12:00 to 1:00 p.m.  Our Phone # is 831-636-4377.  In the case of an emergency please contact  County Communications: 831-636-4330. 

Responsible for water and wastewater planning, operations, and maintenance. Water and wastewater billing information is available from the City Finance Department.