Location The law office of Attorney Donald B. Griffith are centrally located in Palm Desert, near Higway 111 and Deep Canyon. Donald B. Griffith, Attorney at Law 44875 Deep Canyon Rd # 3, Palm Desert, CA 92260 760-836-0016 Call today for a free consultation. Indio: 760-347-7337 Palm Desert: 760-836-0016 Rancho Mirage: 760-324-6223