Idaho LLC Cost (2026): State Fees on File and the 3 Best LLC Services
Idaho 2026, forming an LLC: the desk ranks Mainstay Filing ($199), ID Registered Agent.org ($199) and Idaho Registered Agent.co ($199), in that order. Rank 10th of 50 on three-year state cost: $100 at formation plus no fee for the annual report every year.
No feeDate set by the state: last day of the entity's anniversary month. legislature.idaho.gov [October 2026]
Total owed to the state, 3 yrs
$100State cost only, years 1 to 3
Who we would hire in Idaho
Order set by five weighted criteria (see method): three-year service fees 31%, filings covered 29%, then renewal, fit with Idaho rules and fee transparency.
1. Mainstay Filing: best for a filing calendar someone else keeps
Desk pick$199 a year; renewal $199
We rank Mainstay Filing first. Reason: a $199 yearly fee takes in the Idaho formation plus the two recurring jobs, the registered agent and the annual report.
Over three years it costs $200 more than ID Registered Agent.org. Coverage carries 29%, and the extra filings handled outweigh the gap.
Files the annual report each time; Idaho sets no fee for it.
To form the LLC: the Certificate of Organization Limited Liability Company, the Idaho Secretary of State, $100, Idaho Code § 30-25-201. The services below pass it through as is. Published processing time: About 7 to 10 days.
Staying in good standing: annual report
Annual report: file every year, last day of the entity's anniversary month; no fee.
How the Idaho order was set
Scope of the price settled first place in Idaho. It carries 29% of the score; the other criteria are service bill over three years, renewal step, state rule match, fee transparency.
On our weights, covering the annual report outranks a lower fee.
Questions
State fee to form an LLC in Idaho?
$100 to the state. A service adds $199.
What fee comes with the Idaho annual report?
Due last day of the entity's anniversary month; fee none, every year.
Idaho rank on LLC fees?
10th of 50 on three-year state fees, level with other states: $100. Rank 1 is the smallest total.
State processing time for a new LLC?
Processing takes About 7 to 10 days.
Is a registered agent required in Idaho?
Every LLC must name a registered agent with an in-state street address.
Which LLC service do you pick?
Mainstay Filing, then ID Registered Agent.org and Idaho Registered Agent.co. The split is scope of the price.