After closing the house, I found traces of water seepage on the ceiling, looking for a property or developer.

Legal analysis: after the house is closed, the quality problems such as water leakage should be dealt with by the developer's warranty. The house delivered by the developer shall meet the delivery requirements of the purchase contract and the housing quality requirements stipulated by laws and regulations. If the house leaks due to quality problems, the developer shall guarantee it according to the stipulations in the purchase contract or relevant regulations.

Legal basis: Article 285 of the Civil Law of People's Republic of China (PRC), the realty service enterprise or other managers are entrusted by the owners to manage the buildings and their ancillary facilities within the building division in accordance with the provisions of the third part of this law on realty service contracts, accept the supervision of the owners, and promptly answer the owners' inquiries about realty services. Property service enterprises or other managers shall implement emergency measures and other management measures implemented by the government according to law, and actively cooperate with relevant work.