Your 2nd can foreclose, most likely they will not unless they are in 1st lien position. For example if you got your loans at the same time, whoever filed their lien 1st is in 1st lien position. But if you got your 2nd at a later time, they would be in 2nd lien position. Your first doesnt have to be onboard, they wouldnt care if your 2nd forecloses, as long as the 1st is 1st lien postion. I would contact your 2nd for any modification options they may have. They may or may not be able to modify with the unreaffirmed debt. I'm not sure about CA law, but would you filing a ch 13 really wipe out the 2nd? I thought with a 13 you would still have the debt, and have bankruptcy payments to go toward all of your debt and a bankruptcy trustee to delegate where the payments go.