Experienced investigators lead attendees through the property with access to all non-restricted areas. Many paranormal research groups have investigated the location and found them to be very active sites. Data collected on previous investigations include electronic voice phenomena (EVP), cold spots, touches, apparitions and much more. Proceeds go toward the ongoing restoration and preservation of both properties. Tickets are $75 and must be purchased in advance. Tickets can be purchased online or by calling (510) 581-0223.