Did not pay the parking fee, the car was flooded, is the property responsible?

No, if the parking fee is not paid, the owner has not signed a property service contract with the property, and the property has no responsibility to look after the owner's car. If the car is flooded, there is no responsibility. "Property service contract" refers to the service contract concluded between the property service enterprise and the owners' committee, which stipulates that the property service enterprise shall carry out professional maintenance, conservation, management and maintenance of environmental sanitation and public order in the relevant areas, and the owners shall pay remuneration.