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State Filing Data LLC fees by state, read from the source.

Registered agent guide · Idaho

Idaho Registered Agent Guide (2026): Rules, Fees and the 3 Best Agents

Idaho Registered Agent.co ($99 a year), ID Registered Agent.org ($99 a year) and Mainstay Filing ($149 a year): that is our 2026 order for registered agent service in Idaho. No yearly report fee applies here; the registered agent is what you keep paying for.
State Filing Data research desk

Idaho: the figures

of 50, yearly state fees

Least expensive state = 1st; tied with other states. The 50-state table

Registered agent required

Yes

legislature.idaho.gov · October 2026

Annual report

No fee

Due date: last day of the entity's anniversary month. legislature.idaho.gov · October 2026

Yearly state fees

$0

State charges per year

Our Idaho shortlist

Weights: 35% three-year service fees, 30% filings covered, 30% the rest (methodology).

Top of our list

1. Idaho Registered Agent.co: best for a low flat agent price

$99/yr, same at renewal

Idaho Registered Agent.co is where we'd go first: a Idaho-only plan at $99 a year that renews at $99.

Its three-year service fees come in under Mainstay Filing's, and service fees are our heaviest criterion at 35%.

What you pay for

  • Registered office street address
  • Served documents scanned for you

For

  • Costs less per year than Mainstay Filing
  • $99 a year, no increase

Against

  • Single-state service
  • Annual report is on you
Visit Idaho Registered Agent.co Partner link. We may earn money if you buy.
In-state

2. ID Registered Agent.org: best for Idaho-only companies

$99/yr, same at renewal

ID Registered Agent.org slots in second. What it offers: a Idaho-only plan at $99 a year that renews at $99.

On price it is level with Idaho Registered Agent.co.

What you pay for

  • Registered office street address
  • Served documents scanned for you

For

  • $99 a year, no increase
  • Costs less per year than Mainstay Filing

Against

  • Single-state service
  • Annual report is on you
Visit ID Registered Agent.org Partner link. We may earn money if you buy.
Most covered

3. Mainstay Filing: best for companies that may expand

$149/yr, same at renewal

Mainstay Filing is our third choice: $149 a year with the same price at renewal, and the plan works in all fifty states.

Its three-year service fees are $150 above Idaho Registered Agent.co, and service fees carry 35% of our score.

What you pay for

  • Street address for the registered office
  • Service of process scanned the same business day, no fee
  • First three government mailings a year scanned free
  • Works for LLCs, corporations, LPs, LLPs and nonprofits

For

  • One provider for any state
  • $149 a year, same at renewal

Against

  • $50 a year more than Idaho Registered Agent.co
  • Agent only: you file the reports
Visit Mainstay Filing Partner link. We may earn money if you buy.

Compared

#ServiceAnnual priceRenewal priceThree-year service fees
1 Idaho Registered Agent.co $99$99/yr$297
Visit Idaho Registered Agent.co Partner link. We may earn money if you buy.
2 ID Registered Agent.org $99$99/yr$297
Visit ID Registered Agent.org Partner link. We may earn money if you buy.
3 Mainstay Filing $149$149/yr$447
Visit Mainstay Filing Partner link. We may earn money if you buy.

Company prices read November 12, 2026. Whichever agent you name, Idaho charges the same.

Upkeep calculator

Choose years and an agent. State fees count the annual report; the formation fee is not included.

Idaho Registered Agent.co, 3 years: $297 ($0 to the state, $297 to the service).

Idaho next to similar states

RankStateYearly state fees
1st Alabama$0
1st Arizona$0
1st Idaho$0
1st Minnesota$0
1st Mississippi$0

All states: Registered agent rules by state.

Idaho registered agent requirements (official, Secretary of State)

Every LLC must name a registered agent with an in-state street address. The address has to be a physical street address in Idaho. P.O. boxes and commercial mailboxes are not accepted.

Who qualifies: An Idaho resident, or a business entity authorized to do business in Idaho. An assumed business name (DBA) cannot serve. (Idaho Code § 30-21-404)

What Idaho charges each year

The annual report comes every year (last day of the entity's anniversary month). Notices about it go to your registered agent.

The reasoning

Idaho Registered Agent.co over ID Registered Agent.org came down to service fees over three years, a 35% criterion.

Three-year service fees come to $297 with Idaho Registered Agent.co, saving $150 against Mainstay Filing.

Questions

Does Idaho require a registered agent?

Yes. Every LLC must name a registered agent with an in-state street address.

Who can serve as the registered agent?

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

How much does a registered agent cost in Idaho?

$99 to $149 a year among our picks.

What does the LLC pay the state each year?

Nothing recurring: Idaho has no yearly LLC report fee.

Which registered agents are on this page?

Idaho Registered Agent.co ($99 a year), ID Registered Agent.org ($99 a year) and Mainstay Filing ($149 a year), in the order shown.

Which registered agent would you pick?

Idaho Registered Agent.co first: $99 yearly for an Idaho agent with an in-state office address. Then ID Registered Agent.org and Mainstay Filing.

Other guides

Where each figure comes from

  1. Idaho yearly filing: Annual report: due date, official, legislature.idaho.gov, last checked October 2026
  2. Idaho Code § 30-25-201, legislature.idaho.gov, last checked August 2026
  3. Idaho formation fee: Filing fee, official source, sos.idaho.gov, last checked October 2026
  4. Idaho formation fee: Filing fee, official source, legislature.idaho.gov, last checked October 2026
  5. Idaho registered agent statute, legislature.idaho.gov, last checked October 2026
  6. Alabama Department of Revenue, 2024 business privilege tax, revenue.alabama.gov, last checked October 2026
  7. Arizona Corporation Commission, azcc.gov, last checked August 2026
  8. Arizona Corporation Commission, azcc.gov, last checked August 2026
  9. Minnesota yearly filing: Recurring filing, official source, revisor.mn.gov, last checked October 2026
  10. Minnesota yearly filing: Recurring filing, official source, revisor.mn.gov, last checked October 2026
  11. Mississippi Secretary of State, Business Services Division, sos.ms.gov, last checked August 2026
  12. Mississippi Secretary of State, Business Services Division, sos.ms.gov, last checked August 2026
  13. Mississippi yearly filing: Annual report: fee, official source, sos.ms.gov, last checked October 2026
  14. Pricing page: Idaho Registered Agent.co, read November 12, 2026
  15. Pricing page: ID Registered Agent.org, read November 12, 2026
  16. Idaho service page: Mainstay Filing, read November 12, 2026