LLC cost by state: free dataset

One row per state and DC: formation fee, recurring filing fee, mandatory annual state tax, year-one and five-year state costs, filing cadence, the official filing site, a verification status and the date last verified.

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Headline numbers

• Median formation fee: $100; range $35 (Montana) to $500 (Massachusetts).
• Median annual state cost: $45; 10 states charge nothing recurring.
• Cheapest over five years: Arizona ($50); most expensive: California ($4,110).

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You may reuse this data, including in articles and spreadsheets, under CC BY 4.0 with a link to https://llcstatecosts.com/data/. Fees change; see each state page for sources and the date last verified, and read the methodology.

Fee data: official state government pages and statutes (checked October 28–29, 2026); sources are linked on each state page. See our methodology. Not legal or tax advice.