This study utilizes a structural equation model in order to analyze the factors which influenced the performance of an inter-local governmental collaborative project. According to the results of the analysis, all factors positively affected the outcome of the project. As such, this study has the following implications for inter-local government collaboration. Institutional and financial factors, participation, and local government capability all have a positive effect on the outcome of inter-local governmental collaboration, while trust has a moderating effect. The trust factor therefore has an indirect positive effect on the outcome of collaboration.