Is it useful to complain about the property by letters and visits?

Useful. Generally, complaints will be received by letters and visits, and complaints about property problems will be actively communicated and resolved, so it is useful. Letters and visits refer to the activities that citizens, legal persons or other organizations use letters, mails and other forms to reflect the situation to the people's governments at all levels and the departments of people's governments at or above the county level, and put forward suggestions, opinions or complaints, which are handled by the relevant administrative organs according to law.