1. It may be because the house has been in disrepair for a long time, and there are problems in the building structure, such as water leakage in the external wall and roof. Perhaps because of this reason, the owner should find the property inspection to confirm the reason after finding the water leakage, and then ask the maintenance personnel to repair it.

2. It may be caused by the damage of waterproof layer. If it is not the top floor, you can consult with the upstairs residents to repair the waterproof layer. If it is the top floor, the waterproof layer on the top floor belongs to the public, so you need to find the property management.

3. It may be caused by pipeline damage. In this case, it is necessary to find the leakage point first, then dismantle the surface decoration, repair the damaged pipeline, and finally restore the surface decoration.

Second, who should deal with the house seepage?

1. If the water seepage is caused by man-made destruction, it needs to be handled by the destroyer. In case of economic loss, the related expenses shall also be borne by the destroyer.

2. If there is water leakage in the public * * * part, the user needs to think about the response of the property management department, contact a qualified unit for testing, prepare relevant materials after testing finds problems, and then apply to the local management department for public * * * maintenance fund, and use the expenses for maintenance.

3. If there is water seepage in the user's own home, it is necessary to find a professional to handle it at home in time, so as to avoid serious water seepage, damage to the decoration, and possibly affect the neighbors and even claim a large sum of money.