Quick facts about forming an Idaho LLC
| Item | Details |
|---|---|
| Filing Fee | $100 online, $120 by mail |
| Processing Time | Processing times vary (the SOS currently cites about 7–10 days); expedited service is available |
| Annual Report Fee | Free; due every year |
| Registered Agent Required | Yes, must have a physical address in Idaho |
| State Franchise Tax | None. Idaho has no franchise tax (LLCs taxed as corporations pay the 5.3% corporate income tax) |
| Business License | Not required statewide, local permits from city clerks may apply |
| Managing Authority | Idaho Secretary of State |
How to Form an LLC in Idaho in 5 Steps
Many of the forms you’ll be required to fill out will ask you for information regarding the members of your LLC. Be prepared for these questions by having names, addresses, telephone numbers, and email addresses for each member.
Here are the steps you’ll need to take in order to get your LLC in Idaho.
- Name your Idaho LLC
- File the Certificate of Organization
- Choose a registered agent
- Create an operating agreement
- Apply for an EIN
Step 1: Name your Idaho LLC
Idaho has specific guidelines for naming a business. These guidelines must be followed carefully to avoid having issues with the state. You can find more guidance in the Idaho Secretary of State’s business resources.
Some of the specifics about naming your business you need to know are:
- Names must be distinguishable on the records of the Secretary of State. You can search for names by doing a Idaho Secretary of State Business Name Search.
- Include limited liability company. Idaho requires the words ‘limited liability company’ or ‘limited company,’ or an abbreviation (LLC, L.L.C., LC or L.C.), in your company name.
- Avoid certain words. You will not be permitted to use ‘bank,’ ‘attorney,’ or ‘university’ in your name unless they pertain. In this case, you may have to provide additional paperwork. Carefully review the name requirements on the Secretary of State website referenced above.
- Your name cannot be confused with a government agency. You will be unable to include any words that could lead someone to believe the company is affiliated in any manner with a government entity.
Reserve a business name
Once you’ve decided on a name for your business, the next step will be reserving the name. Idaho has a specific application for reservation of legal entity name, which may be filed online. If you opt to file the paper form for your reservation, you will have to download the form from the Secretary of State website or request it by telephone by calling (208) 334-2301. The fee is $20 online ($40 by paper, including the $20 manual processing fee). The name is reserved for 4 months.
File an assumed business name
If you intend to conduct business under any name except the LLC’s name, you should file an Assumed Business Name form. The filing fee for this form is $25 and there is an additional $20 processing fee for paper filings only. The form must be typewritten, filled in accurately and mailed to 450 N 4th Street, PO Box 83720, Boise, ID 83720-0080 with the required fees. The form may also be filed electronically.
Keep in mind, an Idaho assumed business name is not a requirement of operating an LLC in the state of Idaho. Some LLCs operate using the name of the LLC vs. using an assumed name.
Registering your name for trademark
Before registering your trademark, you should verify your mark is unique. This can be done online by using USPTO’s trademark database (Trademark Electronic Search System, or TESS).
Once you have verified your trademark is unique, you may use the online filing system, or you may opt to download the documents necessary, fill them out completely and mail them in.
The filing fees for online documents are $30, but if you file in person or by mail, there is an additional $20 processing fee, and certification of your trademark is an additional $10. If filing by mail or in person, you will have to provide printed copies of your trademark; if filing online, your trademark should be provided in an acceptable picture format.
Step 2: File the Certificate of Organization
Requirements
Idaho’s version of the articles of organization is called the Certificate of Organization. It must include:
- Name: The LLC name that you have selected in accordance with Idaho’s rules.
- Principal Office: The street and mailing addresses of your LLC’s principal office. The street address may not be a Post Office Box (PO Box). Since July 1, 2026, an LLC with no physical location other than a home address can list its commercial registered agent’s address instead, if the agent consents (Idaho Code 30-25-201).
- Registered Agent: Your registered agent’s information. For a commercial registered agent, only the name is needed; for a noncommercial agent, include the name and Idaho address. An Idaho LLC designates one registered agent.
- Governors: The name and mailing address of at least one governor (a member or manager of the LLC).
- Profession: If you’re forming a professional LLC (PLLC), the profession or professions it will practice.
State fees
The Idaho LLC filing fees are $100 for the Certificate of Organization. There is a $20 processing fee if done by mail. Other fees may include:
- Reservation of Business Name: $20 online, or $40 if the reservation is done by mail or in person (including the $20 processing fee)
- Assumed Business Name: $25 base filing fee and a $20 additional processing fee if not filed online
- Trademark Registration: $30 online filing fee, $20 additional fee if registering by mail or in person, and $10 certification of Trademark
- Fee for Expediting: In the event you wish to have everything approved quickly by the Secretary of State, there is an additional fee of $40 for expedited service (within 8 working hours) or $100 for same-day service (received by 1 p.m. MT)
How to file LLC documents in Idaho
All documents required to file an LLC in Idaho may be completed online, using the Secretary of State’s portal.
All forms may also be printed out, typewritten, and mailed to the Idaho Secretary of State at 450 N 4th Street, PO Box 83720, Boise, ID 83720-0080 with the required fees for both the filing and the processing ($20 per document fee for processing). Be sure to follow all instructions and fill forms out completely to avoid unnecessary delays.
How long does it take to form an LLC in Idaho
Processing times vary depending on the state’s current workload. The Idaho Secretary of State currently cites about 7–10 days from the date of filing, and filing online through the Secretary of State’s website is faster than mailing paper forms.
If you’re in a hurry, Idaho also offers expedited processing for an additional fee. With this option, your LLC can be processed within 8 working hours ($40), or the same day ($100) if received by 1 p.m. MT. Keep in mind that the clock starts once your filing is received, not when it’s mailed, so submitting online is the quickest way to get your business officially registered.
Step 3: Choose a registered agent
An Idaho registered agent is required for LLCs. The registered agent receives service of process and official mail for your LLC, so in practice someone should be at the agent’s Idaho address during normal business hours.
The Idaho statutes governing registered agents Title 30, Chapter 21, Part 4 should be reviewed carefully. In general, a Registered Agent will cost your business $50–$300 per year. An individual who lives in Idaho or a business authorized in Idaho, with a physical Idaho street address (no P.O. boxes), can be named as a Registered Agent. Hiring someone with experience, however, may help your business in the long run.
Step 4: Create an operating agreement
Idaho doesn’t require an operating agreement. Under state law it can be written, oral or implied, and it isn’t filed with the Secretary of State. Still, it’s a good idea to prepare a written one.
Operating Agreements can help you avoid internal disputes with other members of the LLC. Having this in place at the beginning of your business also ensures each member of the LLC is working towards the same goal and has the same business venture in mind. It is strongly recommended that every LLC in Idaho create an Operating Agreement.
Is an operating agreement a must?
An Operating Agreement is a legal document outlining the ownership and operating procedures for an LLC. While it is not required, it can help you avoid conflicts between LLC participants in the future.
In effect, your operating agreement might protect you, as well as all investors in the LLC. This is an internal document only and need not be filed with the Secretary of State.
Step 5: Apply for an EIN
Every business entity should have an EIN (Employer Identification Number). The IRS requires an EIN if your LLC has employees or more than one member, and most banks ask for one.
There are also benefits to having an EIN versus using your personal social security number, including:
- Separate personal finances and avoidance of identity theft
- Ability to open corporate business banking accounts
- Adds to your business’s credibility
- May allow you to apply for business loans if needed
- Offers vendors comfort
- Allows you to have in place should you decide you need to hire employees later
- Allows you to issue 1099s in your business name when paying freelancers or contractors
Applying for an EIN is free and fast. Simply go to the IRS website and fill out the form SS-4 for an LLC EIN. You will be required to answer specific questions and will also need to have the responsible party’s SSN or ITIN. You must also use a physical address for your LLC, which may be the address of a principal or that of your Registered Agent.
Your EIN number will be used for all tax and business purposes. Some of the ways this number will be used include:
- Opening your business checking account
- Filing your federal tax returns
- Issuing Schedule K-1s to members of a multi-member LLC
- Issuing 1099s to independent contractors and freelancers
- Used when hiring employees to report their income to the federal government
What to Do After You’ve Formed an LLC
Understand your ongoing annual LLC fees
Once your LLC has been set up, you will be required to file an annual report with the Idaho Secretary of State. It’s free and due by the last day of your LLC’s anniversary month each year, starting the year after you form.
Comply with Idaho’s tax requirements
One of the challenges all business owners face is ensuring compliance with all state tax requirements. Here are some general guidelines about how your LLC must handle taxes.
How your LLC will be taxed
You will be expected to pay both state and federal taxes on the income your LLC receives.
Remember, when you make payments to the principals of the company, their income is distributed and accounted for by your financial professional. Each disbursement made to a person who is part of the LLC is considered income and therefore is subject to income tax at both the state and federal level.
It is strongly recommended that you hire a tax professional to help with tax preparation. Taking this step will help you avoid running into problems with state or federal tax filings and will ensure you are maintaining good tax records. Keep tax records for several years (the IRS generally recommends at least 3–7).
LLCs taxed as partnerships file Form 65; single-member LLCs report on the owner’s return. You will also be required to file your personal taxes. It’s important to make sure you remain up to date with all taxing guidelines and understand what deductions you may be entitled to take as a member of an LLC. This is another reason why it is highly recommended you work with a tax professional for all your needs.
Income tax, state and federal
Idaho taxes individual and corporate income at a flat 5.3% (tax years 2025 and 2026). LLC profits pass through to members’ personal returns unless the LLC elects corporate tax. You can read more about these taxes in the Idaho statutes, specifically Idaho Code section 63-3024. Idaho does provide comprehensive tax guides for all businesses, which may be found on the Idaho State Tax Commission website.
Sales tax
Certain businesses will be required to pay sales taxes depending on what goods they are selling. Idaho’s sales tax is 6%; some resort cities add a local sales tax. A seller’s permit is free from the Idaho State Tax Commission. The sales tax forms may be found using the Idaho State Tax Commission website. A list of required sales taxes is included on the website.
Failure to comply with all sales tax requirements could put your company in financial and legal jeopardy. Additionally, avoiding making the required payments could result in your seller’s permit being revoked.
Self-employment tax
You need not file an estimated self-employment tax with the State of Idaho; it is optional. However, should you determine this is your best option, you may do so by using Form 51, or Estimated Payment of Idaho Individual Income TaxQuick Pay online (no login needed).
Self-employment taxes must also be paid to the IRS for federal taxes. As a self-employed individual, you will be responsible for Social Security and Medicare taxes.
Currently, the rate of taxation on the federal level is 15.3%. These taxes are required to be paid as you earn money throughout the year. Therefore, if you take a withdrawal from earnings of your LLC, you may need to file a quarterly tax return.
The IRS divides the tax year into 4 payment periods. You may send estimated tax payments with Form 1040-ES by mail, or you can pay online, by phone or via mobile device using the IRS2Go app.
Payroll tax
If you have employees, you will be required to withhold payroll taxes for each employee. Wages, supplemental wages, and some other benefits are taxable on the state level. Your LLC should set up a withholding account which is not transferrable to another business. Compliance with all payroll tax deductions is a necessity to avoid paying fines.
Other state taxes in Idaho
Most businesses in Idaho must also pay $10 towards the Permanent Building Fund with their Idaho income tax return. You can learn more about Taxes for Businesses in Idaho by reviewing these documents and videos:
Idaho Code Title 63, Chapter 30 (Income Tax)
How will my LLC be taxed? (VIDEO)
Do not forget to verify your federal tax obligations and filing rules for your LLC. How you prepare and file your taxes will be dependent upon how your LLC is structured. More information about federal tax guidelines for LLCs may be found on the IRS website.
Open a separate business bank account
In order to ensure you have accurate accounting of business income, maintain a separation between your personal assets and that of your business, and to establish credibility, you should open a bank account immediately.
All income from your business should be deposited into your business bank account. Any payments for debts owed by your LLC including taxes, filing fees, supplies needed to operate your business, and business operation fees (e.g. legal consultation, Registered Agent payments, etc.) should be paid from this account.
All disbursements to members of the LLC should also be made from this account. Remember, a multi-member LLC must issue each member a Schedule K-1 at the end of the year for them to file their taxes; a single-member LLC doesn’t issue one.
Obtain relevant business licenses and permits in Idaho
Every Idaho business must verify the requirements in their specific jurisdiction regarding business permits and licensing. Idaho provides a convenient Business Wizard that will advise you of any specific licensing requirements for your business.
Verify all requirements with local towns and municipalities. There may be restrictions regarding what type of business you may conduct from your home, what materials may be stored on the grounds of your business or other local regulations.
In some instances, a town or city may require specific permits. Remember, remaining in compliance with local regulations is a necessity to ensure you are not subjecting yourself to potentially steep fines for failure to comply. Check with your city and county for local requirements.
Idaho requires workers’ compensation insurance if you have employees; other coverage depends on your industry. The business section of the Idaho state website refers business owners to the Insurance Information Institute for small business insurance guidance.
Next steps: see what Idaho business licenses cost, look for Idaho small business grants, and learn how to dissolve an Idaho LLC if you ever close the business.
FAQ
It costs $100 to file your Certificate of Organization online and $120 if you file by mail.
Yes, every Idaho LLC must have a registered agent with a physical address in the state to receive legal and official mail.
Processing times vary; the Secretary of State currently cites about 7–10 days from filing, and online filing is faster than mail. Expedited service is available for $40 (within 8 working hours) or $100 (same day).
Idaho does not require an operating agreement; under state law it can be written, oral or implied. Having a written one helps clarify ownership roles, management structure, and decision-making for your LLC.
Yes, Idaho LLCs must file an annual report every year with the Secretary of State to keep the business in good standing.
No, filing your annual report in Idaho is free, but failing to file on time can result in administrative dissolution.
No, Idaho does not charge a franchise tax for LLCs, but your business may still need to pay state income tax on profits.
Yes, nonresidents can form an LLC in Idaho as long as they appoint a registered agent with a physical address in the state.
Idaho does not have a statewide business license, but your LLC may need local permits or industry-specific licenses depending on where and how you operate.
