1. online inquiry: generally, you can go to the website of the real estate administration of the city where the house is located to inquire about the real estate license. Generally, you need to enter the name of the property owner and the title certificate number (at present, only some areas provide housing property information inquiry, not all cities can).
2. Real estate bureau inquiry: generally, you can bring your personal identification and real estate license to the local housing authority (real estate trading center, housing authority, housing management office, etc.). ) archives or query window query real estate license.