However, unlike a mortgage, a deed of trust appoints a thirdparty trustee to hold the property's title. This Deed of Trust is given for the purpose of creating a lien on the Property in order to secure not only any existing indebtedness, but also future advances.I'm just going to take you through the exact process of how to fill out a deed of trust exactly and you can see what I mean it's very straight forward. Maricopa County Deed of Trust Form. Fill in the blank form formatted to comply with all recording and content requirements. A Deed of Trust is a real estate security document. Unlike a mortgage which only involves a borrower and a lender, these documents have three parties. Is your document recorded under the name of your Trust or Business? Our team provides complete case management services for quit claim deeds and warranty deeds in Tucson and Phoenix, AZ. We prepare your deed, record it with the county recorder and pay the recording fee.