Legal Question in Real Estate Law in Illinois

If he cannot afford to refinance, then you either need to buy him out, and sell it, or have him sell the house. If he will not agree to do so, you will have to sue for partition and force a sale I know of no other way to free you friom this obligation and protect your credit.

It would likely be a bad idea to sign a quit claim deed. The deed would convey your interest to your former boyfriend, but you would still be responsible for the mortgage loan. Your only options are buy your former boyfriend's interest in the property, or file a partition action, where the court would order a sale of the property and from those proceeds the loan would be paid and the proceeds divided between you and your former boyfriend. The proceeds might not necessarily be divided evenly, since you might have differning contributions to the property. You should contact a real estate attorney in your area to assist you.