Deed of Trust or "Trust Deed", is the document that secures a loan on a piece of property. The Deed of Trust and the secured Note go hand-in-hand.Understanding Real Estate Documents: Deed of Trust. See a sample of a Deed of Trust, with accompanying numbers, terms and definitions. According to California law, you must prepare a deed to transfer the right to your house to the trust. A deed of trust is a legal document that serves as a security instrument in real estate transactions. This Los Angeles County program gives you a chance to review real estate documents to protect you from fraud and protect your home from a foreclosure. A deed of trust is a security instrument, just like a mortgage. After notarization, the deed must be recorded with the county recorder's office in the county where the property is located. The certificate of the trust should also include a description of how the assets should be distributed to the beneficiaries of the trusts.