What is the reason why the property refuses to return the decoration deposit and has to wait for half a year to return it?

Actually, no matter what the truth is. Then you have to see if there is this clause in the property decoration service agreement signed with the property before. If there is, it is estimated that the property is worried that your modification will affect the beauty of the community or something else. After a period of time, it will basically not change. If there is no previous property service agreement, you can confidently ask for a return, or you can sue him at the neighborhood Committee without returning it.