If you receive a Change of Ownership Statement (COS) in the mail, you must complete and return it to the Assessor Department within 90 days to avoid penalties. Enter the amount of the First Deed of Trust, if any.Check all the applicable boxes, and complete the information requested. Any time owners make a change to the title of real estate, they must record a deed with the County Recorder. This Step-by-Step guide outlines the requirements. Stepbystep guide on how to transfer property to a living trust in California preparing deeds, recording with the county and more. Deeds of Trusts are loan documents given at the time of purchase resulting in an obligation to pay the loan or foreclosure may result. It's crucial to handle these transactions carefully, especially when transferring property to a trust or to entities like limited liability companies (LLCs). Here are the six steps to transfer your house to your living trust. They're really simple once you know what to do it's a very simple process.