Dive summary:

• In 24 of the 50 states, foreclosure is a process that must go through courts, and that is helping to slow down the process of clearing foreclosed homes out of the market so new-home construction has an open field.
• Two major factors inhibit quick foreclosures in the judicial-process states – the amount of time the process itself takes and limits on the courts' ability to process the paperwork that is ready to go.
• CoreLogic shows that last year, non-judicial states led in clearing foreclosed homes to go on the market – and thus off the market – with California tops at 100,00 and Georgia, Michigan and Texas following.

From the article:

Specifically, states dealing with foreclosure backlogs are more susceptible to continued processing delays including states such as Illinois, New Jersey, and Ohio, weighing on long-term housing gains. ...