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LLC 101 Guide

Course unit 2 · Idaho

The Idaho Registered Agent Unit (2026): 6 Tasks and the 3 Best Agents

ID Registered Agent.org ($99 a year), Mainstay Filing ($149 a year) and Idaho Registered Agent.co ($99 a year): that is the order of the services we would hire in Idaho in 2026 for naming a registered agent. From the statute to the agent's record on file, there are 6 short tasks.

Prepared by the LLC 101 Guide instructors

The quick version

Legally required
Yes
Source: legislature.idaho.gov, read in October 2026
Service prices
$99 to $149 a year
From company pricing pages
Annual report
No fee
Source: legislature.idaho.gov, read in October 2026
Unit tasks
6
In order

By the end you will know

  • What the law says
  • Eligibility and address rules
  • How an agent gets on record
  • Who we would hire as agent

The Idaho honor roll

Five weighted criteria set the order (see how we grade), and three-year cost and assignments completed count most.

Top of the class

1. ID Registered Agent.org: best for owners watching the budget

Top of the class$99 yearly, $99 at renewal

Start the list with ID Registered Agent.org, because an in-state street address for the registered office at $99 a year.

Three years cost less here than at Mainstay Filing, and three-year cost is 34% of the grade.

What the price covers

  • A Idaho street address
  • Served documents appear online

What works

  • $99 a year, same at renewal
  • A smaller yearly bill than Mainstay Filing

What to weigh

  • Idaho only; each other state needs its own agent
  • You finish the annual report on your own
Visit ID Registered Agent.orgPartner link. We may earn money if you buy.

Top of the class

2. Mainstay Filing: best for LLCs that may grow into other states

All fifty states$149 yearly, $149 at renewal

Our second choice, Mainstay Filing: one flat $149 yearly price that does not depend on which state the LLC sits in.

Counted over three years, it trails ID Registered Agent.org by $150.

What the price covers

  • A street address for the registered office
  • Free scans of legal papers served on the company, sent the business day they arrive
  • Up to three government letters a year are scanned free
  • Also works for nonprofits, corporations, LPs and LLPs

What works

  • One price in all fifty states
  • $149 a year, same at renewal

What to weigh

  • Costs $50 extra every year
  • Report filing needs the formation package
Visit Mainstay FilingPartner link. We may earn money if you buy.

Top of the class

3. Idaho Registered Agent.co: best for staying inside one state

Local choice$99 yearly, $99 at renewal

Third goes to Idaho Registered Agent.co, since an in-state street address for the registered office at $99 a year.

ID Registered Agent.org and this service cost the same.

What the price covers

  • A Idaho street address
  • Served documents appear online

What works

  • $99 a year, same at renewal
  • A smaller yearly bill than Mainstay Filing

What to weigh

  • Idaho only; each other state needs its own agent
  • You finish the annual report on your own
Visit Idaho Registered Agent.coPartner link. We may earn money if you buy.

3 services, side by side

#ServiceAnnual priceRenewal priceThree-year total
1ID Registered Agent.org$99$99/yr$297Visit ID Registered Agent.orgPartner link. We may earn money if you buy.
2Mainstay Filing$149$149/yr$447Visit Mainstay FilingPartner link. We may earn money if you buy.
3Idaho Registered Agent.co$99$99/yr$297Visit Idaho Registered Agent.coPartner link. We may earn money if you buy.
Each company's posted price on November 13, 2026. State fees do not change with your choice of agent.

The tasks

  1. Task 1

    Read what Idaho requires

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

    Source: Source: legislature.idaho.gov, read in October 2026

  2. Task 2

    Who counts as an agent

    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)

  3. Task 3

    Learn the registered office rule

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

    With a service, the public record shows its address instead of yours.

  4. Task 4

    Be your own agent or hire one

    Qualify and you can serve yourself. A professional from the list runs $99 to $149 per year.

  5. Task 5

    Name the agent in your filing

    You identify the agent in your filing with the Idaho Secretary of State, and any change is its own filing at that office.

    Source: Source: legislature.idaho.gov, read in October 2026

  6. Task 6

    Update when things change

    Each year the annual report confirms the details, by last day of the entity's anniversary month.

    Source: Source: legislature.idaho.gov, read in October 2026

Idaho agent costs

EntryWho gets paidAmount
Agent serviceYour service$99 to $149 a year
From year twoYour service$99 to $149 a year
Annual reportState agencyNo fee
State fees were read from the official pages named in the sources. Three years means the filing, two years of reports and the minimum tax where there is one.

Why ID Registered Agent.org is first

Course fee across three years makes up 34% of the grade, and that is where got ahead in Idaho.

ID Registered Agent.org wins the cost criterion with $297 over three years, against $150 more at Mainstay Filing.

Check your Idaho answers

Is a registered agent a must for Idaho LLCs?

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

Can I be my own registered agent?

An owner can serve if qualified; tasks 2 and 3 hold the tests.

Can I change my registered agent later?

Change whenever you like, through the Idaho Secretary of State, as task 5 describes.

What does a registered agent cost in Idaho?

Prices on this page run $99 to $149 a year.

What does the LLC pay the state each year?

The yearly item is the annual report, which has no fee.

Which registered agent would you choose?

Go with ID Registered Agent.org: $99 a year, and scans of served papers land in an online account. Then Mainstay Filing and Idaho Registered Agent.co.

Reading list and sources

  1. Everything about Idaho yearly filing: Annual report: due date, official above traces to legislature.idaho.gov, a page we reread in October 2026.
  2. Everything about Idaho Code § 30-25-201 above traces to legislature.idaho.gov, a page we reread in August 2026.
  3. Everything about Idaho formation fee: Filing fee, official source above traces to sos.idaho.gov, a page we reread in October 2026.
  4. Everything about Idaho formation fee: Filing fee, official source above traces to legislature.idaho.gov, a page we reread in October 2026.
  5. Everything about Idaho registered agent statute above traces to legislature.idaho.gov, a page we reread in October 2026.
  6. pricing page of ID Registered Agent.org, taken on November 13, 2026
  7. Idaho service page of Mainstay Filing, taken on November 13, 2026
  8. pricing page of Idaho Registered Agent.co, taken on November 13, 2026