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The essentials · Idaho

3 Best Registered Agents in Idaho (2026): Simply Ranked

In Idaho for 2026, registered agents rank ID Registered Agent.org ($99 a year), Mainstay Filing ($149 a year) and Idaho Registered Agent.co ($99 a year). An agent costs $99 to $149 the first year and $297 to $447 over three years.
Charter Simple editors

At a glance

Required?
Yes, it is required
Title in law
Registered agent
Price of an agent
$99 to $149 a year
Our pick
ID Registered Agent.org, Mainstay Filing then Idaho Registered Agent.co

Idaho: the order

The order follows five checks. Three-year cost comes first, then what the price covers. See method.
1 Ranked first

1. ID Registered Agent.org: best for an LLC that stays put

$99 a year, then $99

ID Registered Agent.org ranks first in Idaho. The local price is $99 a year, $99 at renewal, for one state.

It costs less than Mainstay Filing over three years. Cost carries the most weight.

Includes

  • In-state address
  • Scans of legal papers

Good

  • A lower yearly bill than the national pick
  • Annual price $99, renewal price $99

Against

  • Idaho only
  • Leaves the annual report on your desk
2 All fifty states

2. Mainstay Filing: best for one price in every state

$149 a year, then $149

Mainstay Filing ranks second. A single yearly price, $149, follows the LLC across state lines.

ID Registered Agent.org is $150 less over three years. That decides the order.

Includes

  • A street address in the state
  • Free scans of three government mailings a year
  • For LLCs, corporations, LPs, LLPs and nonprofits

Good

  • One price in all fifty states
  • Annual price $149, renewal price $149

Against

  • $50 a year above ID Registered Agent.org
  • You still file reports
3 Idaho only

3. Idaho Registered Agent.co: best for another local option

$99 a year, then $99

Idaho Registered Agent.co takes third place because the local price is $99 a year, $99 at renewal, for one state.

Its prices match ID Registered Agent.org exactly. The order between them is close.

Includes

  • In-state address
  • Scans of legal papers

Good

  • Annual price $99, renewal price $99
  • A lower yearly bill than the national pick

Against

  • Idaho only
  • Leaves the annual report on your desk

Prices

#CompanyYear oneRenewalThree yearsIncludes
1 ID Registered Agent.org $99$99/yr$297In-state address; scans of legal papers View ID Registered Agent.orgPartner link. We may earn money if you buy.
2 Mainstay Filing $149$149/yr$447A street address in the state; free scans of three government mailings a year; For LLCs, corporations, LPs, LLPs and nonprofits View Mainstay FilingPartner link. We may earn money if you buy.
3 Idaho Registered Agent.co $99$99/yr$297In-state address; scans of legal papers View Idaho Registered Agent.coPartner link. We may earn money if you buy.
Read November 13, 2026. Three years means year one and two renewals.

Key questions

Is a registered agent required?

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

Statute: Idaho Code § 30-21-404. from legislature.idaho.gov, October 2026, kept short

Who may be the agent?

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

If you qualify, you can be your own agent at no cost.

What does an agent cost?

Our picks charge $99 to $149 a year. Three years cost $297 to $447.

No state fee depends on the agent.

What does an agent do?

It is the LLC's contact in Idaho for court papers and state letters.

If papers arrive and nobody accepts them, a case can proceed without the LLC. Service of process, defined

What does the state bill yearly?

File the annual report each year. It is free. The state puts the date at last day of the entity's anniversary month.

from legislature.idaho.gov, October 2026, kept short

What put the first pick first?

On three-year cost (38%), ID Registered Agent.org leads.

65% of the score is three-year cost and work included.

Mainstay Filing runs $150 higher over three years than ID Registered Agent.org's $297.

The five checks

Idaho: registered agents

RequirementRule or amountSource
LLC filing fee$100from legislature.idaho.gov, October 2026, kept short
Registered agentYes, it is requiredfrom legislature.idaho.gov, October 2026, kept short
Annual reportNo feefrom legislature.idaho.gov, October 2026, kept short
Three-year state total$100The rows above, added
The last row adds the filing fee, the reports in years two and three, and any minimum tax. A cost with no fixed amount, such as a newspaper notice, is left out.

Also asked

Can I be my own agent?

Yes, if you meet the state's rules on who may serve and on the address.

Which addresses count?

The address has to be a physical street address in Idaho. P.O. boxes and commercial mailboxes are not accepted.

What do the picks cost over three years?

Across three years: ID Registered Agent.org at $297, Mainstay Filing at $447, Idaho Registered Agent.co at $297

Are the fees official?

State fees come from Idaho's official documents. Service prices come from each company's price page. Both are dated here.

Does the law require one?

No. Owners may file directly. A service saves time and can act as agent.

What is the best registered agent in Idaho?

ID Registered Agent.org, because it puts a street address on file in Idaho for $99 a year. Then Mainstay Filing and Idaho Registered Agent.co.

References

  1. Charter Simple keeps Idaho yearly filing: Annual report on file from legislature.idaho.gov, confirmed October 2026, and nothing more
  2. Charter Simple keeps Idaho Code § 30-25-201 on file from legislature.idaho.gov, confirmed August 2026, and nothing more
  3. Charter Simple keeps Idaho formation fee: Filing fee on file from sos.idaho.gov, confirmed October 2026, and nothing more
  4. Charter Simple keeps Idaho formation fee: Filing fee on file from legislature.idaho.gov, confirmed October 2026, and nothing more
  5. Charter Simple keeps Idaho registered agent statute on file from legislature.idaho.gov, confirmed October 2026, and nothing more
  6. ID Registered Agent.org pricing page, read November 13, 2026
  7. Mainstay Filing Idaho service page, read November 13, 2026
  8. Idaho Registered Agent.co pricing page, read November 13, 2026