THIS MORTGAGE ASSUMPTION AGREEMENT (hereinafter referred to as the. "Agreement") made and entered into as of this ______(1)______ day of ______(2).Make the steps below to fill out Assumption Agreement of Deed of Trust and Release of Original Mortgagors - California online quickly and easily. Log in to your Freedom Mortgage account. 1. Read the agreement carefully to understand the obligations. You will have to fill out many forms: an application with the lender, a real estate agent agreement, paperwork with a title company, and other necessary forms.