The Middlesex County Clerk's Office stands ready to assist with recordation of real property ownership and transfer, and in retrieval of information. Property address must be put in the left margin for mortgages, deeds, mortgage discharges, and death certificates unless address appears on the first page.This valuable resource serves as a treasure trove of information, providing a comprehensive insight into real estate documentation within Middlesex County. You don't need an original deed to sell or refinance property. You can obtain a copy from the Registry of Deeds or download it from our on-line site. Middlesex County Release of Mortgage Form. Fill in the blank form formatted to comply with all recording and content requirements. If you believe your signature's been forged on a loan agreement, taking action as soon as possible is important.