The purpose of this thesis is establishing a service quality model of social welfare center and appling this model through survey research in Daegu metropolitan city. The applied method is SERVQUAL model, its indicators are five factors(namely, responsiveness, assurance, tangibility, empathy, reliability). The service evaluation is investigating the residential satisfaction in Daegu metropolitan city, the value of satisfaction is low overall. And the best important dimension of service quality represented the reliability. In conclusion, the social welfare center should provide the welfare service for the better satisfaction state.