This study intended to establish the effectiveness of community service orders in behavior modification, rehabilitation, and crime prevention in Kakamega District, Western Province of Kenya. In the review of the related literature, all secondary sources viewed relevant to the study were revisited and helped to give the researcher a clear picture as well as a guidelines regarding the study which he had to undertake. The study employed both qualitative and quantitative paradigms since the variables entailed in the study were thoroughly explained and some, measured with numericals and analyzed with statistical procedures. Self administered questionnaires formed the cardinal tools for data collection and these were administered in a respectable manner. The findings from the field revealed that there delineation of community service orders into multiple aspects was helpful to the probation officers to systematically understand, analyze, and manage the modification of the behaviors of offenders. It was further revealed that individuals who are unprivileged, unemployed and those with indecent life styles may be exerting control over their own actions and environment by using self-serving attributions. Such individuals require assistance from the concerned authorities so as to cope with the environment. Individuals who are unprivileged, unemployed and those with indecent life styles may be exerting control over their own actions and environment by using self-serving attributions.