Cityhood incorporation is a common local issue in theAmerican local history regarding different political, social, and economic factors. However, the creation of municipality becomes more controversial agenda in certain local regions when suburban ethnic communities are rapidly created by post-1965 immigration. It is reflected by the cityhood movement in Hacienda Heights in 2003, when Chinese/Taiwanese immigrants added ethnic elements in these public and civic activities. This study provides further observation and investigation to the impact that Chinese capitalize on their ethnic and non-ethnic social networks to increase their power in the community-based civic matters, while showing various dimensions on the responses from local multiethnic communities.