2. Inquiry of the Real Estate Bureau: If you want to inquire about the accurate information of the personal real estate license (including the owner's name, title certificate number, registration approval date, construction area, design purpose of the house, source of rights, whether the house is mortgaged, etc.). ), you must bring your personal identification and real estate license to the archives or window of the local housing authority (real estate trading center, housing authority, housing authority) for inquiry. Go to the real estate bureau to inquire about real estate information. If you own property rights, you can provide your own ID card. If you want to inquire about other people's real estate information, you must go through legal procedures, such as inquiring about personal property rights information through lawyers or public rights.