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Registered agent watchlists / Idaho

3 Best Registered Agents in Idaho (2026): Prices Tracked

Idaho watchlist, 2026: Mainstay Filing ($149/yr), Idaho Registered Agent.co ($99/yr) and ID Registered Agent.org ($99/yr) lead the registered agents, best value first. Yearly agent prices begin at $99 to $149, which adds up to $297 to $447 over three years.
Tracked by the Filing Price Watch editorial team

Ordered by: Cost is 37% of the order and filings covered are 29% (tracking method)

The short version

Must you have a registered agent? Yes legislature.idaho.gov (pulled October 2026, noted here)
Year-one prices $99 to $149 Charged each year
Total after 3 years $297 to $447 Year one and both renewals
Annual report Free legislature.idaho.gov (pulled October 2026, noted here)
Totals cross in Not within ten years No service overtakes another

Idaho watchlist

Ordered by our tracking method. State fees do not depend on the agent.

1
Leads the list

1. Mainstay Filing: best for the same price in every state

$149 for year one, then $149 at renewal

Price in year 1 $149
Price at renewal $149/yr
Three-year spend $447

Mainstay Filing leads since the price stays $149 a year across all fifty states.

Three years cost $150 more here than at Idaho Registered Agent.co, but the added filings it covers count for more in the order.

Price covers

  • A real address in the state
  • Up to three government mailings a year scanned for you at no charge
  • Covers LLCs, corporations, LPs, LLPs and nonprofits

Holds up

  • $149 yearly with no increase
  • One account for any state

Weak spots

  • $50 a year more than Idaho Registered Agent.co
  • Report filing needs the formation package
Go to Mainstay Filing Partner link. We may earn money if you buy.
2
Idaho only

2. Idaho Registered Agent.co: best for LLCs that stay in one state

$99 for year one, then $99 at renewal

Price in year 1 $99
Price at renewal $99/yr
Three-year spend $297

Next up, Idaho Registered Agent.co: just one state, $99 a year, $99 once it renews.

Price covers

  • A local registered office
  • Online copies of legal papers

Holds up

  • Year 1 $99, year 2 $99
  • Yearly price below the national option

Weak spots

  • One-state service
  • No help with the annual report
Go to Idaho Registered Agent.co Partner link. We may earn money if you buy.
3
Idaho only

3. ID Registered Agent.org: best for staying local

$99 for year one, then $99 at renewal

Price in year 1 $99
Price at renewal $99/yr
Three-year spend $297

Next up, ID Registered Agent.org: just one state, $99 a year, $99 once it renews.

Both the first-year and renewal prices equal Idaho Registered Agent.co's.

Price covers

  • A local registered office
  • Online copies of legal papers

Holds up

  • Year 1 $99, year 2 $99
  • Yearly price below the national option

Weak spots

  • One-state service
  • No help with the annual report
Go to ID Registered Agent.org Partner link. We may earn money if you buy.

Running total by year

Place Service After year 1 After year 2 After year 3 After year 5
1 Mainstay Filing $149 $298 $447 $745
Go to Mainstay Filing Partner link. We may earn money if you buy.
2 Idaho Registered Agent.co $99 $198 $297 $495
Go to Idaho Registered Agent.co Partner link. We may earn money if you buy.
3 ID Registered Agent.org $99 $198 $297 $495
Go to ID Registered Agent.org Partner link. We may earn money if you buy.

First-year price plus renewals, using November 13, 2026 prices. The order holds for a full ten years.

Pick your own number of years

Enter the years you plan to keep the company and every service's running total shows up.
After 3 years: Mainstay Filing $447, Idaho Registered Agent.co $297, ID Registered Agent.org $297. The smallest total here is Idaho Registered Agent.co.

Official fees and where they come from

Item Amount Source
Starting the LLC $100 legislature.idaho.gov (pulled October 2026, noted here)
Annual report Free legislature.idaho.gov (pulled October 2026, noted here)
State side, 3 years $100 Sum of the lines above

The state's share is worked out from three pieces: what it charges to file, what it charges for the next two reports, and any minimum tax. Anything without a fixed price, newspaper notices for instance, is left out of that figure.

Notes on the ranking

On filings covered by the price, which is worth 29%, Mainstay Filing did better than Idaho Registered Agent.co.

Idaho Registered Agent.co is less expensive here, but working in all fifty states carried more weight.

Idaho registered agent requirements, as written by the state (Idaho Secretary of State)

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

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

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

From the source: legislature.idaho.gov (pulled October 2026, noted here)

Skipping the service

Without a service the agent line is zero, provided you qualify, and the state charges the same. Services run $99 to $149 a year.

Short answers

How much does an Idaho registered agent cost per year?

Yearly prices run $99 to $149 here.

What do three years of agent service cost?

$297 to $447 across these services, not counting state fees.

Is a registered agent required for an Idaho LLC?

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

Can the owner serve as the registered agent?

Yes, if you meet the eligibility and address rules above.

What does the state charge the LLC each year?

Annual report: free a year, and the deadline reads last day of the entity's anniversary month.

In what year does one service become pricier than another?

The order stays the same for ten years.

Which registered agent is the best value in Idaho?

Mainstay Filing is first, with Idaho Registered Agent.co and ID Registered Agent.org after it.

Next up

Source trail

  1. Backing for Idaho yearly filing: Annual report is legislature.idaho.gov, dated October 2026.
  2. Backing for Idaho Code § 30-25-201 is legislature.idaho.gov, dated August 2026.
  3. Backing for Idaho formation fee: Filing fee is sos.idaho.gov, dated October 2026.
  4. Backing for Idaho formation fee: Filing fee is legislature.idaho.gov, dated October 2026.
  5. Backing for Idaho registered agent statute is legislature.idaho.gov, dated October 2026.
  6. Seen on November 13, 2026: Idaho service page at Mainstay Filing
  7. Seen on November 13, 2026: pricing page at Idaho Registered Agent.co
  8. Seen on November 13, 2026: pricing page at ID Registered Agent.org