Address & Contacts 5455 KATHERINE ST. SIMI VALLEY, CA 93063 United States Tel: 805.527.8581 After School Site SIMI VALLEY FAMILY YMCA 3200 Cochran Street Simi Valley, CA 93065 805.583.5338 DIRECTIONS Branch Hours Mon - Thu: 5:45am - 9pm Fri: 5:45am - 6pm Sat: 7am - 4pm Sun: Closed Contacts Tel: 805.527.8581 Address & Contacts 5455 KATHERINE ST. SIMI VALLEY, CA 93063 United States After School Site SIMI VALLEY FAMILY YMCA 3200 Cochran Street Simi Valley, CA 93065 805.583.5338 DIRECTIONS Branch Hours Mon - Thu: 5:45am - 9pm Fri: 5:45am - 6pm Sat: 7am - 4pm Sun: Closed