The office in Upland is closed during the summer, however our office in Rancho Cucamonga is open M-F 9-5 to assist you. The office address in Rancho is 7890 Haven Ave Ste. 12 Rancho Cucamonga, CA 91730, 1 block north of Foothill Blvd. on Haven Ave. behind El Pollo Loco. Phone number is (909) 941-0773.