LLC Startup Cost

LLC Startup Cost › Idaho

Idaho LLC startup cost (2026)

Starting a Idaho LLC costs $100 to file. With Mainstay Filing, our best overall pick, the first-year total is $299, with the agent, EIN application and report filing included. The first report later costs nothing.

  • Official sources, checked October 20, 2026

Idaho budget, line by line

LineWhat it isCost
State filing feeCertificate of Organization Limited Liability Company, Idaho Secretary of State$100
Registered agentRequired; the company cannot be its own agent$149 with Mainstay Filing
EINIssued by the IRS online$0
State totalFiling fee plus quantified extras$100
With Mainstay FilingState total plus the first-year price (agent, EIN application, report filing)$299
Best overall in Idaho

Mainstay Filing

Our rating: 4.9 out of 5

$199 / year, same at renewal

  • LLC formation, prepared and filed
  • Registered agent, all year
  • EIN application (with an SSN or ITIN)
  • Annual report filed every year it is due where the state requires one
  • Compliance reminders and stored documents

Price from the Mainstay Filing pricing and FAQ pages, checked October 21, 2026. State fees are passed through at cost and shown before you pay.

Questions

How much does it cost to start an LLC in Idaho?

The state filing fee is $100. With Mainstay Filing, our best overall pick, the first-year total is $299.

Does Idaho charge anything besides the filing fee?

Not in the sources we checked. The first Annual Report is a later cost: no state fee.

Can I be my own registered agent in Idaho?

An Idaho resident, or a business entity authorized to do business in Idaho. An assumed business name (DBA) cannot serve.

Sources