California Pizza Kitchen Business Hours California Pizza Kitchen is a restaurant specializing in specialty pizza. If you need assistance with products or if you need to voice concerns relating to in-restaurant service, you can contact the customer service department by phone, email, traditional mail or through social media. You can also reach out to the customer service department at your local restaurant during regular business hours. California Pizza Kitchen Regular Business Hours Weekdays: You will notice that the restaurant hours vary by location. Contact the customer service department or your local restaurant for hours of operation. The majority of … Continue reading California Pizza Kitchen Hours