Mental Health
Services Act (MHSA)

The Mental Health Services Act (MHSA), also known as Prop 63, was passed by California voters in 2004.

MHSA is funded by a 1% tax on personal incomes above a million dollars and is designed to expand and transform California’s county mental health systems.

To better serve individuals with and at risk for serious mental health issues, and their families, the MHSA:

  • Facilitates Community Collaboration
  • Promotes Cultural Competence
  • Develops criteria and procedures for reporting of county and state performance outcomes
  • Creates Individual and Family-Driven Programs
  • Adopts a Wellness, Recovery and Resilience-Focus
  • Facilitates an Integrated Service Experience
  • Designs Outcomes-based programs

The MHSA includes five distinct funding streams:

Visit the MHSA Doc Center for the following:

  • MHSA Annual Update and 3 Year Plans
  • Alameda County MHSA Revenue and Expenditure Reports (RERs)
  • MHSA Issue Resolution Process
  • MHSA Monitoring Guidelines
To be added to the MHSA email distribution list to receive updates and announcements, please email