This kind of debt can be classified under secured debt. It is the debt which is secured against mortgage. The mortgage is the collateral that is used in place of the debt if payment is not received or when there is violation of the contract signed by the borrower. This kind of debt is usually owed by people who own houses but need extra money for some reasons. It could be for settling educational fees, medical bills or lawsuits for some unfortunate people. Like other kinds of debt there is also a debt solution or maybe more which is available to clear mortgage debt. The most common debt solution is debt consolidation. Visit Free Debt Advice for more information.