The "Recorder Sample Documents" below is a partial list of commonly used recording forms and a description of each. A deed of trust is a security instrument, just like a mortgage.Recording an instrument does not make a transaction legal. The Clerk of the Superior Court of California, County of Riverside, the Trustee under Deed of Trust dated. 20. To get a Deed of Trust, you must file the proper paperwork with the proper court as generally outlined above. Riverside County Deed of Trust Form. Fill in the blank form formatted to comply with all recording and content requirements. Maintenance of the Property. What are trust deeds? In a deed of trust, the trustee, the beneficiary, and the trustor are all involved.