For fastest service, file online at Instructions To form a limited liability company (LLC), you must file Articles of Organization (Form LLC-1) with the California Secretary of State. Business Entitiesth Street, Sacramento, CA P.O. Box, Sacramento, CA Submission Cover Sheet. This form will need to be mailed to the Secretary of Articles of Organization (Form LLC-1) Secretary of State Business Programs Division. LLC1 Form OnlineOROptionAccess the Articles of Organization PDF from the California Se