Xiaoshengchu online registration, if it is a rural self-built house, choose "rural self-built house (no title certificate number)" as the property type. When filling out the form online, you don't have to fill in the house ownership certificate number, but you can also fill in the house number column of the self-built house as required.
However, in some areas, for some rural areas, only the household registration book has no title certificate or is a self-built house. When filling in real estate information, it is required to select other circumstances and upload the household registration book as real estate information.