General Notary Fee: $8 per notarized signature on each document plus the mileage fee calculated from Prince Frederick, MD. Loan Signing Fee: It ranges from $80 to $200, depending on your location and the type of loan signing (seller's, buyer's, refinance, reverse mortgage, home equity line of credit, etc.). Apostille fee: It starts at $100+, depending on whether you need same-day service, how many documents need an apostille, and your location.