Phone: (925) 608-1000. Assumption Agreement – Evidences the transfer of an obligation on a Deed of Trust from one owner to another owner.Any action relating to this Contract must be instituted and prosecuted in the courts of Contra Costa County, State of California. B. As mentioned above we have had great success with volunteer recruitment even under the challenges of the pandemic and the "shelter-in place," policy. To be a unified school family, it is necessary that each family shares a position of agreement with the policies and procedures stated in the handbook.