Workday is San Mateo County’s Human Resources Information System (HRIS) used for payroll, personnel and benefits. Employees will log into Workday to:

  • Update their Personal and Emergency Contact Information
  • View/Download their payslips and electronic W-2s
  • View/Edit their tax withholdings
  • View/Edit Direct Deposit Account information
  • Make/review benefit selections
  • Use the Employee Directory
  • Enter/Update Goals for Performance Evaluations
For login issues call the ISD Help Desk
  • 650-363-4108 (RWC Campus) 
  • 650- 573-3400 (San Mateo Medical Center)

Training/Resources Are available on the County Intranet