How much does it cost to start an LLC in Idaho?

The state filing fee for an Idaho LLC is $100, paid when you submit your Certificate of Organization to the Idaho Secretary of State. Idaho charges no annual report fee, so your total first-year cost is $100 plus any optional services. For example, if you hire a registered agent service at $100 per year, your all-in first-year cost is $200. Additional costs may include EIN registration (free from the IRS) and any required local business licenses depending on your industry. Exception: professional LLCs in regulated fields such as medicine, law, or accounting must obtain additional licensing from the relevant Idaho state board. File online at sos.idaho. The Idaho Secretary of State publishes no fixed processing time, but its online status page shows a live 'Processed Through Date' so you can gauge the current wait.

How long does it take to form an LLC in Idaho?

Idaho publishes no fixed processing time for the Certificate of Organization. Instead, the Secretary of State's online status page shows a live 'Processed Through Date' (for example, 09/20/2026 when checked 9/23/2026), so you can see the state's current pace rather than a promised day count. If you want a guaranteed date instead, expedited service costs $40 for 8 working hours and $100 for same working day (submitted before 1:00 p.m. Mountain). File online where the state offers it, since every state that discusses the difference says online is faster than mail.

Do I need to publish my Idaho LLC formation in a newspaper?

No, Idaho doesn't require LLC publication in newspapers. Once your Certificate of Organization is approved by the Idaho Secretary of State, your LLC is legally formed and ready to operate, no newspaper notice, no affidavit of publication, and no additional steps or waiting period. This saves you the newspaper charges that apply in states like New York, which mandates six weeks of publication at rates the newspapers set. Arizona requires a newspaper notice of a new LLC's formation, run three consecutive times within 60 days, unless the LLC's statutory agent has a street address in a county of more than 800,000 people (currently Maricopa and Pima Counties), where the Arizona Corporation Commission posts the notice online for free. Idaho does not require newspaper publication for a new LLC. Exception: certain regulated business types, such as banks or insurance companies, may have separate disclosure requirements under Idaho law. File online at sos.idaho.gov to complete formation quickly and begin conducting business under your LLC structure without any publication burden.

What are Idaho's LLC annual reporting requirements?

Idaho LLCs must file an annual report during the anniversary month of formation, for example, if you formed your LLC in March, your first report is due before the end of March the following year. The Idaho Secretary of State doesn't charge a fee for this report, making Idaho one of the few states where ongoing compliance costs nothing beyond the initial $100 filing fee. The annual report updates your registered agent, address, and member or manager information with the state, ensuring the public record stays accurate. This zero-fee structure means the only recurring Secretary of State cost in Idaho is the time it takes to file, which takes just a few minutes online. Exception: Idaho charges no late fee, but the Secretary of State can begin administrative dissolution of an LLC that misses the due date, so set a calendar reminder for your anniversary month each year. File your report online at sos.idaho.gov to keep your LLC in good standing at no cost.

Can a single person form an LLC in Idaho?

Yes, Idaho allows single-member LLCs. You can be the sole owner, manager, and member of your LLC. A single-member Idaho LLC is treated as a disregarded entity for federal tax purposes, meaning profits and losses flow directly to your personal tax return on Schedule C without a separate business return. For example, if your LLC earns $60,000 in net profit in a year, you report that income on your personal 1040. Idaho taxes LLC members on their share of the profit through its personal income tax. Check the current rate with the state tax agency. Even as the sole member, an operating agreement is strongly recommended to reinforce the separation between your personal and business finances. Exception: professional LLCs in licensed fields such as law, medicine, or engineering must meet additional requirements under Idaho's professional LLC statutes, including individual member licensing. File your Certificate of Organization with the Idaho Secretary of State online at sos.idaho.gov to form your single-member LLC.

Do I need an Idaho address to form an LLC in the state?

You don't need to be an Idaho resident to form an Idaho LLC, but you must maintain a registered agent with a physical Idaho street address, P.O. boxes aren't permitted. The registered agent receives legal documents and state correspondence on behalf of your LLC during regular business hours. This can be a professional registered agent service, an Idaho-licensed attorney, or any individual with a valid Idaho address who consents to serve in this role. For example, a business owner based in California can form an Idaho LLC by appointing a professional registered agent service with an Idaho office, satisfying the state requirement without relocating. Exception: if your registered agent moves or resigns, you must update your agent information promptly with the Idaho Secretary of State to avoid losing good standing. File your Certificate of Organization at sos.idaho. The Idaho Secretary of State publishes no fixed processing time, but its online status page shows a live 'Processed Through Date' so you can gauge the current wait.

Start Your Idaho LLC in 2026: Complete Formation Guide

Form your Idaho LLC with our step-by-step guide and a low $100 state filing fee.

By Edmond Hui · Last updated: October 2026

Filing an LLC in Idaho costs $100 upfront and has a free annual report due anniversary month. Idaho processes filings from a live queue with no fixed turnaround. See breakdown below.

Idaho publishes no fixed LLC turnaround. Instead its filing status page shows a live 'Processed Through Date' so you can gauge the current wait

The Idaho Secretary of State sells speed instead of promising it: $40 for 8 working hours, and $100 for Same working day (submitted before 1:00 p.m. Mountain). For the ordinary filing, check the live 'Processed Through Date' on the state's status page rather than looking for a promised day count. Plan around the filing itself, and buy an expedite tier if your timing is genuinely fixed.

Source: MyStateLLC 50-state primary-source processing verification, July 2026

Read this guide for another state:

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Form your LLC with Northwest ($39 + state fee)Includes a year of registered agent service. After year one, registered agent service is $125/yr. That enrolls you by default in annual report filing at $100 plus state fees, charged automatically to your saved payment method and cancellable any time.

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Quick Facts

State filing fee	$100 online, $120 by mail
Processing time	Live queue, no fixed turnaround
Annual report due	Anniversary month
Annual report fee	$0
State income tax	Yes. Members pay state income tax on pass-through profits. Check the current rate with the state tax agency.

Source: Idaho Secretary of State (verified September 2026)

Step diagram for forming an LLC in Idaho, showing the 7 required steps, $100 state filing fee, $0 annual report. — The 7 steps to form an LLC in Idaho, with the state's own filing fee and annual report cost. Source: Idaho Secretary of State, verified September 2026.

How to Form an LLC: Step-by-Step

1
Choose Your Idaho LLC Name
Select a unique name that includes 'LLC' or 'Limited Liability Company' and isn't already taken by another Idaho business. Search availability using the Idaho Secretary of State's business name database to ensure your preferred name is available.
How to search Idaho's business entity records →
Pro tip: Idaho allows you to reserve your LLC name for 4 months by filing a Name Reservation Application with a $20 fee.
2
Designate a Registered Agent
Appoint a registered agent with a physical Idaho address who can receive legal documents during business hours. This can be yourself if you've an Idaho address, or you can hire a professional service.
Idaho registered agent rules, costs and options →
Pro tip: A professional registered agent service puts its address, not yours, on the registered agent line of the public filing, and accepts legal papers during business hours.
3
File Certificate of Organization
Submit your Certificate of Organization to the Idaho Secretary of State with the $100 filing fee. You can file online through the Idaho Secretary of State website or by mail using the official form.
What You File in Idaho
In Idaho, the formation document is the Certificate of Organization, filed with the Idaho Secretary of State. The state charges $100 to file online and $120 by mail. Idaho lets you fill in and file the Certificate of Organization online. The state's published processing time: Live queue, no fixed turnaround. The form itself requires the LLC's name, the registered agent's name, the registered office address, the principal office address, a mailing address and the organizer's name. Every line of the Certificate of Organization, field by field →
Processing Times
- Online: No fixed turnaround is published; the Idaho Secretary of State's online status page shows a live 'Processed Through Date' so you can estimate the current wait for online filings
- Mail: Not published, Idaho Secretary of State states no standard turnaround for mailed filings, and every state that comments says mail is slower than online
- Expedited: $40 for 8 working hours, and $100 for Same working day (submitted before 1:00 p.m. Mountain)
4
Create an Operating Agreement
This page has not confirmed whether Idaho law requires an LLC to have an operating agreement. A written agreement signed by every member is worth having either way: it records who owns what share, who makes decisions and how profits are divided. This document outlines ownership structure, management responsibilities, and operational procedures for your LLC.
Idaho LLC operating agreement: what to include →
5
Obtain an EIN from the IRS
Apply for an Employer Identification Number (EIN) directly from the IRS website at no cost. Most banks ask for this federal tax ID to open a business bank account, and the IRS requires one if the LLC hires employees, owes certain employment or excise taxes, or is taxed as a partnership or corporation.
How to get your LLC's EIN from the IRS, free →
6
Open a Business Bank Account
Separate your business and personal finances by opening a dedicated business bank account. Bring your Certificate of Organization, EIN confirmation, and operating agreement to establish your account.
Business bank accounts for Idaho LLCs →
Pro tip: Shop around for business banking options - many Idaho banks offer free business checking accounts for new LLCs with low transaction volumes.
7
Obtain Business Licenses and Permits
Research and apply for any industry-specific licenses or permits required for your business type. Check with both Idaho state agencies and your local city or county for applicable requirements.
Does your Idaho LLC need a business license? →

Watch: How to Start an LLC in Idaho (2026): Step-by-Step Guide

This guide is general information, not legal or tax advice, and reading it does not create an attorney-client relationship. It reports what each Secretary of State publishes for forming an LLC, with the sources this page cites. It cannot tell you what your own filing needs: fees and forms change between our reviews, several occupations cannot use an ordinary LLC at all and must use a professional entity, and your city or county may require a registration of its own. Confirm the current fee and form with the filing office named on this page before you send anything.

Frequently Asked Questions

: The state filing fee for an Idaho LLC is $100, paid when you submit your Certificate of Organization to the Idaho Secretary of State. Idaho charges no annual report fee, so your total first-year cost is $100 plus any optional services. For example, if you hire a registered agent service at $100 per year, your all-in first-year cost is $200. Additional costs may include EIN registration (free from the IRS) and any required local business licenses depending on your industry. Exception: professional LLCs in regulated fields such as medicine, law, or accounting must obtain additional licensing from the relevant Idaho state board. File online at sos.idaho. The Idaho Secretary of State publishes no fixed processing time, but its online status page shows a live 'Processed Through Date' so you can gauge the current wait.
: Idaho publishes no fixed processing time for the Certificate of Organization. Instead, the Secretary of State's online status page shows a live 'Processed Through Date' (for example, 09/20/2026 when checked 9/23/2026), so you can see the state's current pace rather than a promised day count. If you want a guaranteed date instead, expedited service costs $40 for 8 working hours and $100 for same working day (submitted before 1:00 p.m. Mountain). File online where the state offers it, since every state that discusses the difference says online is faster than mail.
: No, Idaho doesn't require LLC publication in newspapers. Once your Certificate of Organization is approved by the Idaho Secretary of State, your LLC is legally formed and ready to operate, no newspaper notice, no affidavit of publication, and no additional steps or waiting period. This saves you the newspaper charges that apply in states like New York, which mandates six weeks of publication at rates the newspapers set. Arizona requires a newspaper notice of a new LLC's formation, run three consecutive times within 60 days, unless the LLC's statutory agent has a street address in a county of more than 800,000 people (currently Maricopa and Pima Counties), where the Arizona Corporation Commission posts the notice online for free. Idaho does not require newspaper publication for a new LLC. Exception: certain regulated business types, such as banks or insurance companies, may have separate disclosure requirements under Idaho law. File online at sos.idaho.gov to complete formation quickly and begin conducting business under your LLC structure without any publication burden.
: Idaho LLCs must file an annual report during the anniversary month of formation, for example, if you formed your LLC in March, your first report is due before the end of March the following year. The Idaho Secretary of State doesn't charge a fee for this report, making Idaho one of the few states where ongoing compliance costs nothing beyond the initial $100 filing fee. The annual report updates your registered agent, address, and member or manager information with the state, ensuring the public record stays accurate. This zero-fee structure means the only recurring Secretary of State cost in Idaho is the time it takes to file, which takes just a few minutes online. Exception: Idaho charges no late fee, but the Secretary of State can begin administrative dissolution of an LLC that misses the due date, so set a calendar reminder for your anniversary month each year. File your report online at sos.idaho.gov to keep your LLC in good standing at no cost.
: Yes, Idaho allows single-member LLCs. You can be the sole owner, manager, and member of your LLC. A single-member Idaho LLC is treated as a disregarded entity for federal tax purposes, meaning profits and losses flow directly to your personal tax return on Schedule C without a separate business return. For example, if your LLC earns $60,000 in net profit in a year, you report that income on your personal 1040. Idaho taxes LLC members on their share of the profit through its personal income tax. Check the current rate with the state tax agency. Even as the sole member, an operating agreement is strongly recommended to reinforce the separation between your personal and business finances. Exception: professional LLCs in licensed fields such as law, medicine, or engineering must meet additional requirements under Idaho's professional LLC statutes, including individual member licensing. File your Certificate of Organization with the Idaho Secretary of State online at sos.idaho.gov to form your single-member LLC.
: You don't need to be an Idaho resident to form an Idaho LLC, but you must maintain a registered agent with a physical Idaho street address, P.O. boxes aren't permitted. The registered agent receives legal documents and state correspondence on behalf of your LLC during regular business hours. This can be a professional registered agent service, an Idaho-licensed attorney, or any individual with a valid Idaho address who consents to serve in this role. For example, a business owner based in California can form an Idaho LLC by appointing a professional registered agent service with an Idaho office, satisfying the state requirement without relocating. Exception: if your registered agent moves or resigns, you must update your agent information promptly with the Idaho Secretary of State to avoid losing good standing. File your Certificate of Organization at sos.idaho. The Idaho Secretary of State publishes no fixed processing time, but its online status page shows a live 'Processed Through Date' so you can gauge the current wait.

Sources

4 documents

Each entry below is a document recorded in our verified Idaho sources, and each entry says what the document is. Some statutory text is read from an accurate mirror rather than from the state's own host, and those say so.

sosbiz.idaho.govIdaho Secretary of State: business entity filings
legislature.idaho.gov/statutesrules/idstat/title30/t30ch21/sect30-21-214/Idaho LLC filing fees
legislature.idaho.gov/statutesrules/idstat/title30/t30ch21/sect30-21-213/Idaho statute: Annual Report
sos.idaho.gov/business-resources/Idaho Secretary of State: file the Annual Report

More for Idaho LLCs

Ready to Form Your Idaho LLC?

$39 with Northwest, plus your $100 state fee. Northwest's $39 includes a year of registered agent service.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Prefer to file directly? File yourself at the Secretary of State → ($100 state fee, no service fee)

Not sure which service is right? Compare formation services →

Edmond Hui · Founder, MyStateLLC

Edmond Hui is a software engineer and serial entrepreneur based in New York who has founded multiple online businesses across e-commerce, media, and information publishing. Before transitioning into tech, he spent years as a commercial real estate professional closing deals totaling over 100,000 square feet, giving him firsthand experience with business formation and entity structuring. He built MyStateLLC to provide the free, state-specific LLC guidance he wished existed when forming his own companies.

How we check facts

Start Your Idaho LLC in 2026: Complete Formation Guide

Quick Facts

How to Form an LLC: Step-by-Step

Choose Your Idaho LLC Name

Designate a Registered Agent

File Certificate of Organization

What You File in Idaho

Processing Times

Create an Operating Agreement

Obtain an EIN from the IRS

Open a Business Bank Account

Obtain Business Licenses and Permits

Frequently Asked Questions

Sources

More for Idaho LLCs

Start and set up

Taxes, money and growth

Stay compliant

Operate in other states

Compare structures

By owner type

By profession

Ready to Form Your Idaho LLC?

Quick Facts

How to Form an LLC: Step-by-Step

Choose Your Idaho LLC Name

Designate a Registered Agent

File Certificate of Organization

What You File in Idaho

Processing Times

Create an Operating Agreement

Obtain an EIN from the IRS

Open a Business Bank Account

Obtain Business Licenses and Permits

Frequently Asked Questions

Sources

More for Idaho LLCs

Start and set up

Taxes, money and growth

Stay compliant

Operate in other states

Compare structures

By owner type

By profession

Ready to Form Your Idaho LLC?

More Idaho LLC Guides

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