What should I do when the residential property contract expires?

Legal analysis: After the contract expires, if both parties agree to renew the contract, they should re-sign a written house lease contract to clarify the new rights and obligations. Even if a few rights and obligations are still performed or changed according to the original agreement, and both parties are unwilling to re-sign a written agreement, they should simply sign a supplementary agreement and attach it to the original agreement.

Legal basis: Article 939 of the Civil Law of People's Republic of China (PRC), the preliminary realty service contract concluded by the construction unit and the realty service provider according to law, and the realty service contract concluded by the owners' committee and the realty service provider selected by the owners' congress according to law are legally binding on the owners.