This form is filed only in the Sacramento office. Start forming your California LLC in under 10 minutes with Block Advisors.Just answer a few simple questions, and we'll handle all the paperwork. Apply in person at our public counter at 700 H Street, Room 1710, Sacramento, CA 95814, Monday-Friday a.m. SACRAMENTO CA 94244-2280. In Person: CALIFORNIA SECRETARY OF STATE. If your business is located in the unincorporated area of Sacramento County and is not exempt from licensing, you require a. You must file in the county where your business is, and you'll need to get the necessary forms from your county clerk. Trademarking Your Company Name or Logo.