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Primer 2 · Idaho
Idaho Registered Agent Primer (2026): 6 Moves and the 3 Best Agents
Our order for appointing a registered agent in Idaho, 2026, is ID Registered Agent.org ($99 a year), Idaho Registered Agent.co ($99 a year) and Mainstay Filing ($149 a year). Make the 6 moves below and your registered agent is set up properly.
From the Founder Primer desk
Primer updated November 13, 2026
How we get paid:
Founder Primer is reader-supported. We may earn money when you buy through links on this page, and the companies we rank are our partners. Prices come from each company's own pages and official state sources.
Need to know
Agent price range
$99 to $149 a year
Company price pages
Primer moves
6
First to last
Primer goals
What Idaho requires of a registered agent
Who can act as agent
How the agent gets on record
Who we would hire as agent
If you want someone else to file
Three-year cost and to-dos cleared weigh the most. How we score lists all five criteria.
Best overall
$99 yearly, then $99
1. ID Registered Agent.org: best for founders based in the state
First place goes to ID Registered Agent.org because $99 a year with scans of served papers in an online account.
It costs less than Mainstay Filing over three years, and three-year cost is 27% of the mark.
Inside the price
A registered office address
Served documents posted online
In its favor
$99; renews at $99
Yearly price below the national pick
Against it
Serves only Idaho
Annual report is outside the price
In-state service
$99 yearly, then $99
2. Idaho Registered Agent.co: best for a local backup
Idaho Registered Agent.co is a fair second choice: $99 a year with scans of served papers in an online account.
Its prices match ID Registered Agent.org's, so either one works.
Inside the price
A registered office address
Served documents posted online
In its favor
Yearly price below the national pick
$99; renews at $99
Against it
Serves only Idaho
Annual report is outside the price
All fifty states
$149 yearly, then $149
3. Mainstay Filing: best for one agent for every state
Mainstay Filing lands third: $149 a year, and the plan still works if you add a state later.
Add up three years: $150 more than ID Registered Agent.org.
Inside the price
A Idaho street address on file
Served papers scanned free, the same business day
Three government letters a year scanned at no charge
Also serves nonprofits, corporations, LPs and LLPs
In its favor
Same price in all fifty states
$149 a year, flat at renewal
Against it
$50 more per year than the local pick
It does not file your reports
All prices in one table
Each company's listed price on November 13, 2026. Switching agents leaves state fees unchanged.
How the Idaho agent is set up
Move 1
What Idaho requires
Every LLC must name a registered agent with an in-state street address.
Where this comes from: legislature.idaho.gov , read October 2026
Move 2
Check eligibility
An Idaho resident, or a business entity authorized to do business in Idaho. An assumed business name (DBA) cannot serve. Source in law: Idaho Code § 30-21-404.
Move 3
Pick a compliant address
The address has to be a physical street address in Idaho. P.O. boxes and commercial mailboxes are not accepted.
Every pick supplies the Idaho office address.
Move 4
Be the agent or pay for one
Move 5
List the agent publicly
A new LLC names its agent on the Certificate of Organization Limited Liability Company, filed with the Idaho Secretary of State. An LLC that changes agents files an amendment there.
Where this comes from: legislature.idaho.gov , read October 2026
Move 6
Update when things change
File the annual report on time (no fee, last day of the entity's anniversary month) and the agent record stays right.
Where this comes from: legislature.idaho.gov , read October 2026
Idaho agent costs
Item
Payee
Cost
A professional agent
Service company
$99 to $149 a year
Renewal
Service company
$99 to $149 a year
Annual report
To the state
No fee
Filing plus the reports in years two and three plus any minimum tax: that is the state's three-year total. Sources are listed below.
Why ID Registered Agent.org is first
won on founder outlay over three years (27% of the mark), with close behind.
ID Registered Agent.org totals $297 across three years, saving $150 next to Mainstay Filing.
Idaho questions
Is a registered agent a legal must in Idaho?
Yes. Every LLC must name a registered agent with an in-state street address.
Can I be my own registered agent?
Yes, when you meet the who-may-serve and address rules in moves 2 and 3.
Can I change my registered agent later?
Yes; the Idaho Secretary of State takes change filings, and move 5 says what to send.
What does a registered agent cost in Idaho?
Prices here run $99 to $149 a year.
What does the LLC pay the state each year?
Expect to file the annual report with no charge.
Which registered agent would you choose?
ID Registered Agent.org first, then Idaho Registered Agent.co and Mainstay Filing; ID Registered Agent.org wins on founder outlay over three years.
Sources, so you can check us
Backup for the Idaho yearly filing: Annual report: due date, official section: legislature.idaho.gov , read October 2026.
Backup for the Idaho Code § 30-25-201 section: legislature.idaho.gov , read August 2026.
Backup for the Idaho formation fee: Filing fee, official source section: sos.idaho.gov , read October 2026.
Backup for the Idaho formation fee: Filing fee, official source section: legislature.idaho.gov , read October 2026.
Backup for the Idaho registered agent statute section: legislature.idaho.gov , read October 2026.
The pricing page from ID Registered Agent.org, November 13, 2026
The pricing page from Idaho Registered Agent.co, November 13, 2026
The Idaho service page from Mainstay Filing, November 13, 2026