2026 LLC Formation Cost Dataset

Open dataset of LLC formation costs across 51 US jurisdictions, sourced from each state's Secretary of State website + IRS guidance. Released under CC BY 4.0 — free to use commercially, with attribution.

Coverage

51 jurisdictions (50 states + DC where data is available). Last verified: 2026-07-01.

Schema

Column	Type	Description
code	string	Two-letter state postal code (e.g., CA, TX, DC).
name	string	Full state name.
filing_fee_usd	number	One-time domestic LLC filing fee charged by the SOS.
filing_form	string	Form name or number used to register the LLC.
first_year_annual_report_fee	number	Annual report fee for year 1.
annual_report_fee	number	Recurring annual report fee.
annual_report_cadence	string	One of annual, biennial, decennial, annual-info-only, none.
franchise_tax_year_one	number	First-year minimum LLC franchise/privilege tax (USD).
franchise_tax_ongoing	number	Ongoing annual franchise tax minimum (USD).
processing_days_standard	number	Typical online processing time (business days).
processing_days_expedite	number	Expedited processing time (business days).
expedite_fee	number	Expedite fee (USD); 0 if not available.
publication_required	boolean	Whether newspaper publication is required (NY, AZ, NE only).
publication_est_cost	number|null	Estimated publication cost where required, USD.
sos_url	string	Canonical Secretary of State URL.
last_verified_date	string (YYYY-MM-DD)	Date the entry was last verified against the SOS.

Files

• states.csv — flat CSV (recommended for analysis)
• states.json — original nested JSON

How to cite

Per CC-BY-4.0, attribution is required when reusing the data:

Baidi, A. (2026). 2026 LLC Formation Cost Dataset. llcformationcost.com. Available at https://github.com/Ordertoai/us-llc-formation-fees. Licensed under CC BY 4.0.

The interactive calculator built on this data: https://llcformationcost.com

Methodology

Each entry verified directly against the issuing state's Secretary of State or DCRA/DLCP website. AI-sourced entries are tagged with verifiedSource: "gemini-grounded-search-{date}" in the original JSON. Re-verified quarterly.

License

CC BY 4.0 — share + adapt freely, attribution required.