To learn more about Planning Building and Code Enforcement, please visit CSJ Planning Building and Code Enforcement home pageLearn more about the 2040 General PlanLearn about the 4-year reviewGeneral Plan - In California, cities and counties are required by State law to have a General Plan. It is the local government's long-term blueprint for future development. Pursuant to State law, the General Plan must accommodate the required amount of projected population growth the State of California estimates for each city.