The housing maintenance fund is non-refundable, but it can be refunded if it meets these conditions. According to China's "Measures for the Management of Residential Special Maintenance Funds", if the house is lost, the residential special maintenance funds will be returned according to the regulations. First, the book balance of residential special maintenance funds deposited by the selling unit is returned to the selling unit; Secondly, if the selling unit does not exist, it shall be confiscated from the state treasury at the same level according to the financial affiliation of the selling unit.