If you have your monthly mortgage payment set up to be paid through an online bill payment service with your bank, please take a few minutes to update Rushmore as your payee. Our payment address is Rushmore Loan Management Services at P.O. Box 514707 Los Angeles, CA 90051-4707. Also, please make sure to update the memo line with the new Rushmore account number that will be included in your welcome email and letter package.