Can private developers charge property fees without authorization?

1. Property management fee is the management fee charged by the property management company to the owner based on the property management contract, which should be charged by the property management company to the owner, not by the developer. The construction fee and opening fee of hydropower are charged by the corresponding institutions (water supply company, power supply company and gas group) to the developers. The developers have calculated the above fees in the sales price when selling houses, and the developers should not charge the buyers any more. Contract.

2. What exists between developers and consumers is the relationship of buying and selling houses. Both parties have rights and obligations in the process of buying and selling houses. And things outside this legal relationship, such as collecting property fees or other fees, are not the responsibility of developers, unless there are contract terms, as a condition of delivery, there is no legal basis.