What you want to ask is the reason why many houses in Dongyunyuan, Century Garden, Zhangdian District have no real estate license? Many houses in Century Garden and Dongyunyuan in Zhangdian District do not have real estate licenses for the following reasons:

1. The house has not gone through the complete property ownership procedures: it is possible that the developer or the owner has not gone through the relevant procedures, which makes it impossible to obtain the real estate license.

2. Illegal construction or illegal land use: Some houses may be built in violation of planning, illegal land use or other illegal acts without obtaining legal real estate license.

3. Can't guarantee legal ownership: No real estate license means that you can't guarantee your legal ownership of the property.

4. Limited real estate value: the lack of real estate license will affect the transfer and mortgage operation of real estate, and will also affect its market value.