Breadcrumb Home Forms And Information Forms and Information Forms Application for Williamson Act and Farmland Security Zone (pdf) General Information Guidelines for Williamson Act Farmland Security Zone Contracts Guideline for Compatible Use Development (pdf) Guideline for Commercial Agricultural Use (pdf) Guideline for General Administration, Monitoring and Enforcement (pdf) Ordinance NS-1203.130 Williamson Act and Farmland Security Zone Sample Williamson Act Agreement (pdf) Quick Links Application and Information Non-Renewal and Cancellation Property Jurisdiction Locator Related Links Department of Planning and Development - Williamson Act California Department of Conservation - Williamson Act