Promissory Note (SDSC CRM137). • Promissory Note must be notarized.A trust deed is always used together with a promissory note (also called "prom note") that sets out the amount and terms of the loan. San Diego County Deed of Trust Form. Fill in the blank form formatted to comply with all recording and content requirements. In California, a deed of trust must come with security, typically a promissory note. A deed of trust is a legal document that serves as a security instrument in real estate transactions. Preparing and filing a Deed of Trust (i.e. Your Foreclosure Options. 1- Parties Involved: A secured promissory note identifies the parties involved in the loan agreement, including the borrower (maker) and the lender (payee).