Fill in the blank form formatted to comply with all recording and content requirements. The County Clerk-Recorder's Office maintains real property records back to 1849.You may search our online index back to 1986. Official Forms for Viewing and Downloading. Contra Costa County Trustee Deed Form. Substitution of Trustee – A document through which the lender (beneficiary), owner, or holder of the note (loan) replaces a new Trustee in the Deed of Trust. Access forms available from the Assessor's office, including benefits, business personal property, change in ownership, and other general forms. Forms ; DE-120, Notice of Hearing-Decedents Estate or Trust ; DE-121, Notice of Petition to Administer Estate ; DE-131, Proof of Subscribing Witness. Identifying these parties ahead of time will make it easier to complete the forms. Hereinafter set forth, Trustor's fee interest in the property located in the County of Contra Costa,.