The agreement signed between the property and the owner is valid for several years.

Legal analysis: the property and the owner sign an agreement, valid for 3 to 5 years. The contract signed between the property and the owner is a property service contract. The realty service contract refers to the service contract concluded between the realty service enterprise and the owners' committee, which stipulates that the realty service enterprise shall carry out professional maintenance, conservation, management and maintenance of the environmental sanitation and public order in the relevant areas, and the owners shall pay remuneration.

Legal basis: Article 34 of the Property Management Regulations, the owners' committee shall conclude a written property service contract with the property service enterprise selected by the owners' congress. Property service contracts shall stipulate property management matters, service quality, service fees, rights and obligations of both parties, management and use of special maintenance funds, property management premises, contract term, liability for breach of contract, etc.