Idaho LLC cost
Forming an LLC in Idaho costs $120 in state fees in year one, then no recurring state fees for most small businesses.
Forming a Idaho LLC
You file Certificate of Organization (Limited Liability Company) with the Idaho Secretary of State, Business and Trademark Services. The state fee is $120 ($100 online). See the official fee.
File it yourself with the state →
Every year after
- Annual Report: $0, filed every year. Due: By the last day of the month in which the LLC was formed, each year.
- First one: End of the formation month in the year after the LLC is formed.
- If you're late: No late fee; failure to file is grounds for administrative dissolution after a 60-day notice-and-cure period.
- Official report page
Worth knowing
- LLC and corporation formation is $100 online ($120 on paper, which adds a $20 manual processing fee).
- Annual reports are free and due by the end of the formation month each year.
- C corporations owe at least $30 a year in state tax ($20 minimum income tax + $10 Permanent Building Fund tax).
- Assumed business names no longer expire.
Registered agent
Idaho requires a registered agent. Must maintain a registered agent in Idaho; going 60 consecutive days without one is grounds for administrative dissolution. You can serve as your own agent if you have a qualifying address; paid services usually charge a yearly fee.
| Other filings | State fee | Notes |
|---|---|---|
| Name reservation | $20 | 4 months; $20 online, $40 on paper |
| DBA / assumed name (state) | $25 | Assumed Business Name certificate filed with the Secretary of State; $25 online, $45 on paper. ABNs no longer expire or require renewal; free to cancel online. |
| Expedited processing | $40 | $40 expedited (typically within 8 business hours); $100 same-day (received by 1 p.m. Mountain) |
| Foreign LLC registration | $120 | Foreign Registration Statement ($100 if filed online) |
Fees last checked 2026-10-20 against Idaho Secretary of State, Business and Trademark Services. States change fees — confirm on the linked page before you file.
Thinking about forming somewhere else?
If you operate in Idaho, an out-of-state LLC also has to register here as a foreign entity. See both costs side by side: