Registered agent required
Yes
legislature.idaho.gov, checked October 2026
Registered agent guide · Idaho
Idaho Registered Agents (2026): State Rules, Fees and the 3 Best Agents
If you are choosing an agent for Idaho this year (2026), begin with Mainstay Filing ($149 a year), ID Registered Agent.org ($99 a year) and Idaho Registered Agent.co ($99 a year), working down the list. With the state taking nothing yearly, plan the annual budget around the registered agent alone in Idaho.
Idaho in numbers
1st
on the 50-state list, yearly basis
A low number means a small state bill, sharing the place. See the full 50-state table
Annual report
No fee
The state sets the deadline as last day of the entity's anniversary month. legislature.idaho.gov, checked October 2026
State charges, per year
$0
The state side of a single year
Services that file for you, for Idaho
Five criteria set the order, led by three-year service charges and the filings covered; the methodology has the weights.
1. Mainstay Filing: best for companies that may grow into other states
$149 annually, no change at renewal
Why Mainstay Filing leads: $149 a year with no increase at renewal, valid in every state.
You pay $150 more than at ID Registered Agent.org across three years and, in return, more filings are done for you.
What the price buys
- An address inside the state, kept on file
- Anything served on the company is scanned and sent to you that business day, free of charge
- The first three letters from government agencies each year are scanned at no charge
- Also open to nonprofits, partnerships and corporations, not only LLCs
In its favor
- A flat $149 a year
- Any state at one price
Against it
- ID Registered Agent.org bills $50 less per year
- Report filing sits with the formation package
2. ID Registered Agent.org: best for a modest agent budget
$99 annually, no change at renewal
Our second pick, ID Registered Agent.org, earns its place since $99 each year and no change at renewal, a fit for a company that never leaves one state.
What the price buys
- Idaho street address serves as the registered office
- You see scanned copies of whatever the agent receives
In its favor
- Costs less per year than Mainstay Filing does
- Price $99, renewal $99
Against it
- Serves Idaho alone
- The annual report is yours to send in
3. Idaho Registered Agent.co: best for an office address inside the state
$99 annually, no change at renewal
Our third pick, Idaho Registered Agent.co, earns its place since $99 each year and no change at renewal, a fit for a company that never leaves one state.
Its published prices match ID Registered Agent.org's exactly, so the two sit side by side.
What the price buys
- Idaho street address serves as the registered office
- You see scanned copies of whatever the agent receives
In its favor
- Costs less per year than Mainstay Filing does
- Price $99, renewal $99
Against it
- Serves Idaho alone
- The annual report is yours to send in
Idaho picks compared
| No. | Service | Yearly price | Renews at | Service charges, three years | |
|---|---|---|---|---|---|
| 1 | Mainstay Filing | $149 | $149/yr | $447 | Visit Mainstay FilingPartner link. We may earn money if you buy. |
| 2 | ID Registered Agent.org | $99 | $99/yr | $297 | Visit ID Registered Agent.orgPartner link. We may earn money if you buy. |
| 3 | Idaho Registered Agent.co | $99 | $99/yr | $297 | Visit Idaho Registered Agent.coPartner link. We may earn money if you buy. |
We took these prices from the companies' sites on November 12, 2026. State charges stay the same with any agent.
Agent and state charges, by year
Each agent's price is combined with the state charges that repeat (the annual report from year two). Formation fees are not in the total.
Idaho next to the states ranked around it
| Place | State | Yearly state fees |
|---|---|---|
| 1st | Alabama | $0 |
| 1st | Arizona | $0 |
| 1st | Idaho | $0 |
| 1st | Minnesota | $0 |
| 1st | Mississippi | $0 |
The complete ranking applies one method to all fifty states.
What Idaho law requires of a registered agent
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.
Accepted agents: An Idaho resident, or a business entity authorized to do business in Idaho. An assumed business name (DBA) cannot serve. (Idaho Code § 30-21-404)
The state charges that repeat
One item recurs: the annual report, free every year, due last day of the entity's anniversary month.
The reasoning behind the order
Mainstay Filing won by scoring higher on paperwork the price takes on, worth 26%, with ID Registered Agent.org close behind.
Reach put it above ID Registered Agent.org.
Idaho: common questions
Does every Idaho LLC need a registered agent?
Yes. Every LLC must name a registered agent with an in-state street address.
Who may act as 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.
What is the yearly price of registered agent service for Idaho?
Budget $99 to $149 each year.
What does the state itself charge an LLC each year?
Nothing. Idaho has no yearly report fee, so no state charge repeats.
Which registered agents are recommended on this page?
Mainstay Filing ($149 a year), ID Registered Agent.org ($99 a year) and Idaho Registered Agent.co ($99 a year), ranked from best to last.
Which registered agent is the best choice?
Mainstay Filing first, then ID Registered Agent.org and Idaho Registered Agent.co. What separates Mainstay Filing is paperwork the price takes on.
Sources for this chapter
- legislature.idaho.gov supplies Idaho yearly filing: Annual report: due date, official, last opened October 2026
- legislature.idaho.gov supplies Idaho Code § 30-25-201, last opened August 2026
- sos.idaho.gov supplies Idaho formation fee: Filing fee, official source, last opened October 2026
- legislature.idaho.gov supplies Idaho formation fee: Filing fee, official source, last opened October 2026
- legislature.idaho.gov supplies Idaho registered agent statute, last opened October 2026
- revenue.alabama.gov supplies Alabama Department of Revenue, 2024 business privilege tax, last opened October 2026
- azcc.gov supplies Arizona Corporation Commission, last opened August 2026
- azcc.gov supplies Arizona Corporation Commission, last opened August 2026
- revisor.mn.gov supplies Minnesota yearly filing: Recurring filing, official source, last opened October 2026
- revisor.mn.gov supplies Minnesota yearly filing: Recurring filing, official source, last opened October 2026
- sos.ms.gov supplies Mississippi Secretary of State, Business Services Division, last opened August 2026
- sos.ms.gov supplies Mississippi Secretary of State, Business Services Division, last opened August 2026
- sos.ms.gov supplies Mississippi yearly filing: Annual report: fee, official source, last opened October 2026
- Mainstay Filing lists its Idaho service page; we copied it November 12, 2026
- ID Registered Agent.org lists its pricing page; we copied it November 12, 2026
- Idaho Registered Agent.co lists its pricing page; we copied it November 12, 2026