Deed forms may be obtained from stationery stores that carry legal forms. San Bernardino County Certificate of Trust Form.Fill in the blank form formatted to comply with all recording and content requirements. All forms are printable and downloadable. ASSIGNMENT OF DEED OF TRUST (San Bernardino County Assessor-Recorder-Clerk). Forms to Complete Online and Print. A trust is an arrangement which takes effect during the lifetime of the creator of a trust. Fill out the preliminary change of ownership report to properly transfer your California real estate into your living trust. Complete editable San Bernardino County Assessor-Recorder-Clerk forms in minutes. Identifying these parties ahead of time will make it easier to complete the forms.