Before you use this form you may want to consult an attorney if you have questions concerning which document form is appropriate for your transaction. The Assessor will use this form when the Preliminary Change of Ownership Report is either not filed or is filed incomplete.Said Deed of Trust as herein modified shall constitute one Deed of Trust. Fill out the preliminary change of ownership report to properly transfer your California real estate into your living trust. Draft a trust deed and have it notarized so that it is legally binding. Record the deed at the county recorder's office. For help filling out or filing an Affidavit of Change of Trustee, seek out the services of an experienced probate attorney. Use Fill to complete blank online SAN BERNARDINO COUNTY ASSESSORRECORDERCLERK pdf forms for free. Fill in the blank form formatted to comply with all recording and content requirements. Do you need to know how to change a trustee of a family trust?