TOURS BY APPOINTMENT ONLY - CALL (805) 689-2402 FOR AVAILABILITY. Welcome to the Mendenhall Museum! We are open by appointment only, Monday-Saturday between 10am-2pm. All of our tours are guided, and are approximately 90 minutes. Tour fee is a $15 donation per person, and reservations can be made by calling us at (805) 689-2402. Learn about our diverse collection at our website! Planning a special event? Please visit our website for information on hosting a special event at the museum.