APS 24-Hour Hotline: 800-451-5155For APS inquiries, please click on the following link: https://clients.comcate.com/newrequest.php?id=36 The Social Services Agency (SSA) Aging & Adult Services Center, located at 2020 W. Walnut St., Santa Ana, CA 92703 offers the following services:In Home Supportive Services (IHSS)Adult Protective Services (APS)