1. Generally, relevant information will be posted before the opening of new buildings, if you don't see it. You can look for it online.
2. I wonder if you know the name of the building. If you know, Baidu will do it. If you don't know, you can go to the relevant house search website.
3. Now there is a new house shopping guide platform called Kanfangwang. It is convenient to find a new house. Generally, there are properties for sale or about to open, and the property information is complete. There are also 400 free telephones for consultation.