CONTACT USSubmit Community Input Join the MHSA Listserv Contact the Orange County MHSA Office: 405 W. 5th Street Santa Ana, CA 92701 Map → Tel: 714-834-51045 Email: info@mhsa.com WEEK DAYS: 05:00 – 22:00 SATURDAY: 08:00 – 18:00 SUNDAY: CLOSED