Superior Court of California, Colusa County State: CaliforniaCounty: Colusa Biz Office Phone: (530) 458-5149FCS Phone: (530) 458-5149Website: https://www.colusa.courts.ca.gov/Local Forms: https://www.colusa.courts.ca.gov/forms-filing/local-formsLocal Rules: https://www.colusa.courts.ca.gov/general-information/local-rulesCourt Holidays: https://www.colusa.courts.ca.gov/general-information/court-holidayse-Filing: https://www.colusa.courts.ca.gov/online-services/efiling