《心理健康服務法》（MHSA）於 2004 年通過為第 63 號提案，1 月 2005 生效，並成立了心理健康服務基金（MHSF）。 個人收入稅額超過一百萬美元所產生的收入將存入 MHSF。​​ 

MHSA 解決廣泛的預防、早期干預和服務需求，並為社區心理健康系統提供基礎設施、技術和培訓資金。 MHSA 指定了五個必要元件：​​ 

• 社區服務與支援 (CSS)​​ 
• 預防及早期干預（PEI）​​ 
• 創新 (INN)​​ 
• 資本設施和技術需求（CF/TN）​​ 
• 勞動力教育及培訓（WET）​​ 

On a monthly basis, the State Controller’s Office (SCO) distributes funds deposited into the MHSF to counties. Counties expend the funds for the required components consistent with a local plan, which is subject to a community planning process that includes stakeholders and is subject to County Board of Supervisors approval. Per Welfare and Institutions Code (W&I) Section 5892(h), counties with population above 200,000 have three years to expend funds distributed for CSS, PEI, and INN components. Counties with less than 200,000 have five years to expend funds distributed for CSS, PEI and INN components. All counties have ten years to expend funds distributed for CF/TN and WET components.​​ 

除了當地計劃外，MHSA 授權高達 5% 的收入供國家行政。 這些包括由各種狀態實體執行的管理功能。​​