The Register of Deeds Office is the official repository for all public records related to real property located in Mecklenburg County. You will need to fill out an Upset Bid form as well as a Certification of Identity.If the property is not located in Mecklenburg County then take Worksheet to the Register of Deeds in the North Carolina county that the property is located in. Mortgages, deeds of trust or security interests in the real property. Fill in the blank form formatted to comply with all recording and content requirements. 120-Day Lien Period: The 120 days immediately preceding the date of recordation of the latter of the deed to purchaser or deed of trust to lender in the Office.