LAND RECORDS: How do I obtain a copy of my Mortgage or Deed? The fastest way to obtain this information is to come to this office.A. Account Information. Real estate transfer and mortgage recording tax forms. Form number, Instructions, Form title. Notice: You are required to attach to this form the following documents: A current and representative paycheck stub;. Nassau County Satisfaction of Mortgage Form. Fill in the blank form formatted to comply with all recording and content requirements. Copy of monthly mortgage payment for homeowners. ☐ Documentation of past due amount from lender (most recent mortgage statement).