The state filing fee to form an LLC in Idaho is $100. Annual maintenance costs include annual report ($30) plus a registered agent. Calculate your total first-year and ongoing costs below.
Last updated: April 2026 · Data: IRS, BLS, state sources
Idaho charges a $100 initial filing fee. The annual report is $30 due the last day of the month of the LLC's anniversary. Idaho has no franchise tax. Idaho is a relatively low-cost state for LLC formation and maintenance.
| Cost Item | Amount | When Due |
|---|---|---|
| State Filing Fee | $100 | One-time at formation |
| Annual report | $30 | Annually |
| Registered Agent Service | $49–$300/year | Annually (at renewal) |
| Operating Agreement | $0–$1,500 | One-time (recommended) |
| EIN (Federal Tax ID) | Free | One-time (IRS.gov) |
| Business Bank Account | $0–$50/month | Monthly or free |
| Period | Estimated Cost |
|---|---|
| First Year (state fees + $49 RA) | $179 |
| Ongoing Annual (state fees + $49 RA) | $79/year |
| 5-Year Total Cost (+ RA) | $495 |
The Idaho state filing fee is $100. In the first year, total costs including a registered agent (~$49) and annual state fees ($30) amount to approximately $179. Ongoing annual costs are approximately $79/year.
Yes - Idaho requires all LLCs to maintain a registered agent with a physical Idaho address. You can serve as your own registered agent if you have a Idaho address, or hire a professional service. Professional services (~$49-$300/year) keep your personal address off public records and ensure you receive legal documents even when you're unavailable.
Annual report: $30. Plus registered agent service (~$49/year). Total ongoing: approximately $79/year.
For most small businesses that operate in Idaho, forming in Idaho is the right choice. If you form in Delaware or Wyoming and do business in Idaho, you'll likely need to register as a foreign LLC in Idaho - paying fees in both states. Delaware and Wyoming make sense for businesses seeking venture capital, planning complex ownership structures, or operating entirely online without a home state nexus.
Standard LLC formation in Idaho typically takes 5–15 business days. Expedited processing is available for an additional fee and can reduce processing to 1–3 business days in most states. Online filing through the Secretary of State's website is the fastest option. Using a registered agent service like Northwest can also expedite the process.
What type of business?