You can submit this form when you go to record your deed at the Alameda County Clerk-Recorder's Office. It is forwarded to the Assessor's Office.In this section, you can find information and answers to the following questions: 1. 1. What is a Living Trust? Below you will find information about the services we offer and addresses to our Oakland and Tri-Valley office locations. Fill out the preliminary change of ownership report to properly transfer your California real estate into your living trust. Document this information on the deed. Alameda County Law Library has a new research guide to steer you through the process of making changes in ownership for property located in Alameda County, CA.