As you said, the house registration title certificate is the name of Xiaosan, so the house belongs to Xiaosan's legally owned property, and its rights and interests are protected by law. He can freely dispose of the property rights of the house, sell it and give it away, and others have no right to interfere. If you don't come back to this house,
You have a capital contribution certificate, which proves that you have a creditor's right to mistress. You can claim it! This kind of legal support,
To put it bluntly, the property right of the house is a small three, and she can freely buy and sell it to others, which has nothing to do with you. But the hostess owes you money.