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State reply · Idaho

3 Best Registered Agents in Idaho (2026) and the Facts Behind Them

In Idaho for 2026, rank registered agents Mainstay Filing ($149 a year), Idaho Registered Agent.co ($99 a year) and ID Registered Agent.org ($99 a year). Agent prices start at $99 to $149 in year one and total $297 to $447 over three.

LLC Q and A editorial team ·

Quick answers

Must you name one?
Yes, by statute
Title in law
Registered agent
Agent price
$99 to $149 yearly
Pick
Mainstay Filing, Idaho Registered Agent.co then ID Registered Agent.org

Idaho: ranked picks

Scoring is explained on the method page.
1Top pick

1. Mainstay Filing: best for one price in all states

$149/yr, renews at $149

Reason for Mainstay Filing at the top: it costs $149 a year here and the same in every other state.

Not the lowest bill: Idaho Registered Agent.co is $150 less over three years, in Idaho only.

Price covers

  • Street address in the state
  • Free scans: three government mailings per year
  • Also serves corporations, LPs, LLPs and nonprofits

For

  • $149/yr, flat at renewal
  • Same price in all fifty states

Against

  • Yearly bill $50 higher
  • Report filing needs the formation package
Mainstay Filing sitePartner link. We may earn money if you buy.
2Idaho specialist

2. Idaho Registered Agent.co: best for one-state companies

$99/yr, renews at $99

Idaho Registered Agent.co ranks second since $99 a year then $99 suits an LLC that stays in Idaho.

Price covers

  • Local street address
  • Legal papers scanned online

For

  • $99/yr, flat at renewal
  • Smaller annual price than our #1

Against

  • One-state service
  • The annual report falls to you
Idaho Registered Agent.co sitePartner link. We may earn money if you buy.
3Idaho specialist

3. ID Registered Agent.org: best for another local option

$99/yr, renews at $99

ID Registered Agent.org ranks third since $99 a year then $99 suits an LLC that stays in Idaho.

It charges exactly what Idaho Registered Agent.co charges.

Price covers

  • Local street address
  • Legal papers scanned online

For

  • $99/yr, flat at renewal
  • Smaller annual price than our #1

Against

  • One-state service
  • The annual report falls to you
ID Registered Agent.org sitePartner link. We may earn money if you buy.

Side by side

#ServiceYear 1Per year afterTotal, 3 yearsCovers
1Mainstay Filing$149$149/yr$447street address in the state; Free scans: three government mailings per year; Also serves corporations, LPs, LLPs and nonprofitsMainstay Filing sitePartner link. We may earn money if you buy.
2Idaho Registered Agent.co$99$99/yr$297local street address; legal papers scanned onlineIdaho Registered Agent.co sitePartner link. We may earn money if you buy.
3ID Registered Agent.org$99$99/yr$297local street address; legal papers scanned onlineID Registered Agent.org sitePartner link. We may earn money if you buy.
Prices as of November 13, 2026. State fees are in the checklist below.

Questions and replies

Must the LLC name a registered agent?

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

Statute: Idaho Code § 30-21-404. legislature.idaho.gov (October 2026) is the source of record

Who qualifies?

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

Qualify, and you can serve yourself at no cost.

Agent price per year?

$99 to $149 a year with our picks; $297 to $447 over three years.

Any agent, same state fees.

What does an agent do?

Receives legal papers and state notices for the company in Idaho.

Unreceived papers can let a case proceed without the LLC. Service of process, defined

What does the state bill each year?

Calendar the annual report (annual, free). The deadline rule says last day of the entity's anniversary month, which is worth a calendar entry.

legislature.idaho.gov (October 2026) is the source of record

Why this order?

Mainstay Filing scores best on chores removed from your list, which is 26% of the total.

Two criteria dominate: three-year price (36%) and chores removed from your list (26%).

A second state later? Same agent, same price; Idaho Registered Agent.co ends at the Idaho line.

Method

What Idaho requires of an agent

RequirementDetailOfficial page
LLC filing fee$100legislature.idaho.gov (October 2026) is the source of record
Registered agentYes, by statutelegislature.idaho.gov (October 2026) is the source of record
Annual reportNo feelegislature.idaho.gov (October 2026) is the source of record
State fees, 3 years$100Sum of the rows above
Three-year total = filing + report in year 2 + report in year 3 + minimum tax (if any). Fees without a fixed amount, like newspaper notices, are not summed.

More replies

Can I be my own agent?

Yes, when your address and status fit the rule. Many owners still hire a service for privacy.

What address counts?

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?

Mainstay Filing will run $447, Idaho Registered Agent.co will run $297, ID Registered Agent.org will run $297

Where do the numbers come from?

Official Idaho sources for the state side, published prices for the service side.

Is a service required?

Not required. The state takes filings from owners.

Best registered agent in Idaho?

Mainstay Filing: price: $149 a year in all states, $149 at renewal. Behind it: Idaho Registered Agent.co and ID Registered Agent.org.

Sources

  1. Reference line for Idaho yearly filing: Annual report, drawn from legislature.idaho.gov and confirmed October 2026, as noted by our editors
  2. Reference line for Idaho Code § 30-25-201, drawn from legislature.idaho.gov and confirmed August 2026, as noted by our editors
  3. Reference line for Idaho formation fee: Filing fee, drawn from sos.idaho.gov and confirmed October 2026, as noted by our editors
  4. Reference line for Idaho formation fee: Filing fee, drawn from legislature.idaho.gov and confirmed October 2026, as noted by our editors
  5. Reference line for Idaho registered agent statute, drawn from legislature.idaho.gov and confirmed October 2026, as noted by our editors
  6. Price page: Mainstay Filing Idaho service page, accessed November 13, 2026
  7. Price page: Idaho Registered Agent.co pricing page, accessed November 13, 2026
  8. Price page: ID Registered Agent.org pricing page, accessed November 13, 2026