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Idaho Foreign LLC Registration

The fee, the form, what triggers registration in Idaho, and how to file.

State filing fee $100 one-time
Registered agent $125/year based on Northwest RA
Total, all in $475
Idaho data last reviewed Aug 22, 2026 · sos.idaho.gov Totals include the $100 filing fee once, Northwest RA at $125/year, and Idaho recurring state costs over the selected period.

Foreign Qualification

Filing fee
$100
Form
Foreign Registration Statement
Annual obligation
$0/year (report required, no fee)
Processing time
Idaho publishes a live processed-through date on SOSBiz rather than a duration, with one queue covering all business filings.
More

On 17 August 2026 it read 10 August, and the site banner gave approximately 7 to 10 days from the date of filing, counted in days rather than business days. Expedited service adds $40 and is typically processed within 8 business hours; same day service adds $100 and must be received by 1pm Mountain. Filing on paper costs $20 more and buys no speed

Expedite
$40 for eight working hours, $100 for same working day if delivered before 1pm
Estimated year 1 cost
$100
Visit Idaho Secretary of State ↗

Need to register your LLC in Idaho?

Northwest files the foreign registration and serves as your registered agent in Idaho, which the filing requires. Only need an agent? Northwest's registered agent service alone is $125/year.

Have Northwest register your LLC in Idaho ↗
$225 + the state fee · One year of registered agent included
Other registered agent options 2 alternatives
Registered Agents Inc
$200/year · Report filing included, state fees extra
Visit site ↗
Harbor Compliance
$99 first year, then $149/year · Full-service compliance option
Visit site ↗

What triggers foreign qualification in Idaho?

  • Physical office or place of business
  • Employees working in the state

Important to know

  • The annual report is free on every channel. Paper and in-person filings add a $20 manual data-entry charge, which is a channel surcharge rather than a report fee.
What does NOT require registration in Idaho 11 activities

Idaho carves 11 activities out by statute. On their own, none of them requires a foreign LLC to register.

  • Maintaining, defending, mediating, arbitrating, or settling an action or proceeding
  • Carrying on internal affairs, including holding meetings of interest holders or governors
  • Maintaining accounts in financial institutions
  • Maintaining offices or agents to transfer, exchange, or register the entity's securities, or maintaining trustees or depositories for them
  • Selling through independent contractors
  • Soliciting or taking orders by any means, if the orders must be accepted outside Idaho before they become contracts
  • Creating or acquiring debt, mortgages, or security interests in property
  • Securing or collecting debts, enforcing security interests, and holding or maintaining property acquired that way
  • Conducting an isolated transaction that is not one of a series of similar transactions
  • Owning property, and nothing more
  • Doing business in interstate commerce

Under Idaho Code Section 30-21-505. NO time limit on the isolated-transaction carve-out.

Forming a new LLC in Idaho instead? $100 to form
Formation fee
$100
Annual cost
$0/year (report required, no fee)
State income tax
Flat 5.3% income tax (2026 tax year)
Privacy
Low
Sources 1 link

More Idaho guides

Already operating without registering?Civil penalty, back fees and court access in Idaho, statute-cited ↗ Not sure Idaho applies to you?What counts as doing business, and what does not ↗ Changing your registered agent?The form, the fee and the steps in Idaho ↗ Operating in more than one state?Free 3-question check of where you must register ↗

This page provides general information based on publicly available state requirements. It is not legal advice. Verify with the Idaho SOS before filing.