The purpose of this study is to analyze the effectiveness of the CPTED project through a case study of Wonseong dong in Cheonan City. The analysis results can be summarized as follows. First, after the CPTED project, the daytime and nighttime flow population showed a increase. Second, among the CPTED facilities, ‘CCTV and security lights,designated houses for neighbourhood safety’ showed the highest recognition. And ‘Installing trash and recycle station,Constructing guerilla gardens’, ‘CCTV and security lights, designated houses for neighbourhood safety’ showed high satisfaction than other CPTED facilities. After the CPTED project, neighborhood disorder and crime fears decreased and neighborhood attachment increased. Third, the CPTED project have a impact on fear of crime, residents’ social activities, neighborhood relations, participation in neighborhood activities, neighborhood satisfaction, and neighborhood attachment. Fourth, The number of crime incidents in 2015 has decreased by about 13.3% from the number of crimes in 2014, and In 2016, the number of crimes decreased by 42.2% compared to the number of crimes in 2014. The cost-cutting effect of crime prevention costs is estimated to be about 1.28 billion won for two years. This study is important in that it analyzes empirically the effects of CPTED Project using multi-faceted analysis method and actual crime data.