Once the agreement is in place, the next step involves opening the stock sale escrow. The first requirement for a valid escrow is a written agreement.A share escrow agreement is a contract that allows a third party to hold money or anothe financial asset on behalf of someone else. "Close of Escrow" or "Closing" means the date Escrow. Agent causes the Grant Deed to be recorded in the Official Records of the County of Los Angeles,. Before escrow can open, you and the seller must agree on the purchase price of the home and when escrow will close. (c). Escrow Agent will cause the County Recorder of Los Angeles. To the court-appointed representative ("Representative") of an estate, conservatorship or guardianship identified in the Superior Court. ("Seller"):.