Whats longest length of time to pay back a loan for a house?

Historically, it has been a 30-year loan. For a short period around 10-years ago, you could find a 40-year loan. Those were ridiculously dumb, and don't exist anymore. In my opinion, even the 30-year loan should go away. If people looked at the payment difference between a 20-year loan and a 30-year loan, then factored all the additional interest they pay for extending it out to 30-years - it would cause many people to have a heart attack. Lending in MN, WI, and SD - www.SaintPaulMortgageBroker.com