Cal. Health & Safety Code § 114259.5
(b) Live animals may be allowed in any of the following situations if the contamination of food, clean equipment, utensils, linens, and unwrapped single-use articles cannot result:
(5) Pets in the common dining areas of restricted food service facilities at times other than during meals if all of the following conditions are satisfied:
(d) Pet dogs under the control of a person in an outdoor dining area if all of the following conditions are satisfied: