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Registered agent guide · Idaho

Idaho Registered Agent Requirements (2026): State Fees on File and the 3 Best Agents

Idaho 2026, a registered agent: the desk ranks Mainstay Filing ($149 a year), Idaho Registered Agent.co ($99 a year) and ID Registered Agent.org ($99 a year), in that order. No report fee in Idaho, so the registered agent is the single line to budget. Shared rank 1st of 50.

Desk note by LLC Data Desk ·

Idaho, the numbers

1stof 50, yearly state cost1 = smallest bill (tie). Compare every state
Registered agent required
YesData: legislature.idaho.gov, pulled October 2026
Annual report
No feeDate set by the state: last day of the entity's anniversary month. Data: legislature.idaho.gov, pulled October 2026
Total owed to the state, 1 yr
$0Yearly cost to the state after formation

Idaho ranking

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 owners who may add states

Top ranked$149 a year; $149 on renewal

Mainstay Filing takes first: a single $149 agent plan that moves with the company into new states.

Three-year service fees: $150 above Idaho Registered Agent.co. In return, more of the state's paperwork is done for you.

What the fee covers

  • Idaho street address, public record
  • No fee for same-business-day scanning of papers served on the company
  • Government mail: first three pieces each year scanned, no fee
  • Also open to nonprofits, corporations, LPs and LLPs

Pros

  • $149 yearly, no step up
  • Fifty-state reach

Cons

  • Costs $50 more yearly than Idaho Registered Agent.co
  • Report filing sits with the formation package
Visit Mainstay FilingPartner link. We may earn money if you buy.

2. Idaho Registered Agent.co: best for businesses based solely in Idaho

Idaho specialist$99 a year; $99 on renewal

Idaho Registered Agent.co takes second: $99 a year, unchanged at renewal, built for a one-state company.

What the fee covers

  • Physical Idaho address
  • Served papers scanned to your account

Pros

  • Fee $99; renewal $99
  • Costs less a year than Mainstay Filing

Cons

  • Idaho alone
  • Annual report sits outside the fee entirely
Visit Idaho Registered Agent.coPartner link. We may earn money if you buy.

3. ID Registered Agent.org: best for an in-state office address

Idaho specialist$99 a year; $99 on renewal

ID Registered Agent.org takes third: $99 a year, unchanged at renewal, built for a one-state company.

Price for price, equal to Idaho Registered Agent.co.

What the fee covers

  • Physical Idaho address
  • Served papers scanned to your account

Pros

  • Costs less a year than Mainstay Filing
  • Fee $99; renewal $99

Cons

  • Idaho alone
  • Annual report sits outside the fee entirely
Visit ID Registered Agent.orgPartner link. We may earn money if you buy.

The 3 picks compared

#ServiceAnnual feeRenewal feeService fees, 3 yrs
1Mainstay Filing$149$149/yr$447Visit Mainstay FilingPartner link. We may earn money if you buy.
2Idaho Registered Agent.co$99$99/yr$297Visit Idaho Registered Agent.coPartner link. We may earn money if you buy.
3ID Registered Agent.org$99$99/yr$297Visit ID Registered Agent.orgPartner link. We may earn money if you buy.
Company price pages, pulled November 12, 2026. Switching agents does not change state fees.

Agent cost calculator

Agent fees plus the state's recurring charges (the annual report from year two). Formation fees are left out.
Total, 3 years, Mainstay Filing: $447. State $0; service $447.

Idaho next to nearby ranks

RkStateYearly state fees
1stAlabama$0
1stArizona$0
1stIdaho$0
1stMinnesota$0
1stMississippi$0
Full table: Registered agent rules by state, smallest bills first.

Idaho registered agent rules, in the state's words

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.

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

Idaho's repeating fees

Recurring: the annual report, no fee every year, last day of the entity's anniversary month.

Basis for the order

Scope of the price (29%) is where Mainstay Filing beat Idaho Registered Agent.co in Idaho.

Fifty-state coverage outweighed Idaho Registered Agent.co on our weights.

Questions

A registered agent required for Idaho LLCs?

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

Who can be the registered agent for Idaho LLCs?

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

Yearly cost of registered agent service for Idaho?

$99 to $149 a year, per the ranking.

Yearly state fees on an LLC?

None. Idaho has no yearly report fee, so no state fee recurs.

Which registered agents are ranked here?

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

Which registered agent do you pick?

Pick Mainstay Filing: $149 yearly here and everywhere else; renewal $149. Next: Idaho Registered Agent.co and ID Registered Agent.org.

See also

Basis for this page

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