How do I request a quote for a co-op property? You can pay off your mortgage with a check.Bring your payoff statement to your local branch, or our branch staff can order one for you. How do I pay off my auto loan? For questions or concerns about your Chase mortgage account, contact customer service at 1-800-848-9136. Find additional ways to contact us here. Com and choose your auto account. There is a difference in opt-out terms. I know Chase gives folks flexibility to opt out even after the window is closed. You'll receive confirmation of payoff.