This study investigated the risk factors affecting the project success in Surabaya. A total of 180 survey
questionnaires were set out to contractors. Data were analyzed by using an SEM (Structural Equation Modeling)
software package. The statistical analysis revealed the six risk factors affecting project success that may be grouped
in natural risks, design risks, resource risks, financial risks, legal and regulation risks, and construction risks. The
results of the structural equation model suggest that the relationship between risk factors and project success in
Surabaya projects can be explained by loading factor of 0.442 for natural risks; -0,499 for design risks; 0,257 for
resources risks; 0.651 for financial risks; 0.166 for legal and regulation risks; and -0.197 for construction-related
risks. Thus, the positive relationship suggests that H1, H3, H4, H5, are supported. On the other hand, the negative
relationship suggests to reject H2 and H6.