A gift letter for a mortgage shows your lender that you don't need to repay gift money toward your down payment. A short letter like this sample gift letter will cover all of the requirements your lender needs.A gift letter is a note from a donor to your lender regarding cash funds for your mortgage down payment. Most home loan programs allow borrowers to use gift money from a third party, to help cover their down payment expense. A gift letter for a mortgage is a written statement confirming that the gift money you receive from a family member or friend is a gift, not a loan. We specialize in down payment assistance programs throughout all of California. Call direct: (951) 215-6119 or contact us here. A good credit score. Lenders typically look for a score above 650. A good credit score.