Query process: 1. Go to the real estate trading center for on-site inquiry. Bring my valid ID card and other related materials to the real estate trading center where the real estate is located, fill in the relevant forms according to the tips and guidance of the staff, and inquire about the real estate information according to the relevant procedures.

2. Log on to the website for online inquiry. Search for "online real estate" through the search engine, and click on its official website to enter the webpage through the search results. Secondly, after entering the "Online Real Estate" interface, click the "Real Estate for Sale" option in the webpage, and the list information of all real estates for sale will pop up in the lower right corner. Then, click the "Project Name" box below the navigation bar, enter the name information of the building to be queried, and click the "Query" button to see the basic information of the building.

Finally, click "Property List" in the upper right corner of the webpage, and you will see the default display of 1 building or property map. Click on the building number you want to query, such as Building 5, and you will see the property map of Building 5 ... The property map is marked in different colors, with red indicating the houses that have been filed, yellow indicating the houses that have been decompressed, and gray indicating the houses that are still in mortgage state.