Costco - 350 NEWPARK MALL, CA
NEWARK, CA
Hours
Executive Member Hours
Monday - Friday9:00 AM - 8:30 PM
Saturday - Sunday9:00 AM - 7:00 PM
Gold Star & Business Member Hours
Monday - Friday10:00 AM - 8:30 PM
Saturday9:30 AM - 7:00 PM
Sunday10:00 AM - 7:00 PM
Hours may vary on holidays. Please call ahead to confirm.
Warehouse Services
Departments and Specialty Items
AT&T Cellular Kiosk*General Information