How to Get a Washington EIN Number (for Free) for an LLC - 2025 Guide

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We know dealing with the IRS can be intimidating, but getting an EIN for your LLC doesn’t have to be scary.

This page explains what an EIN is and we provide step-by-step instructions on getting an EIN for free for a Washington LLC.

What is an EIN Number?

EIN Number for an LLC

EIN stands for Employer Identification Number and is assigned to your LLC by the Internal Revenue Service (IRS), a division within the federal government.

The EIN identifies your business to the IRS, the same way a Social Security Number identifies a person. You could also think of the EIN as your “account number” with the IRS.

Note: An EIN is not issued by the Washington Secretary of State. It is only issued by the IRS.

Don't have an LLC yet? Hire Northwest to form your LLC for $39 + state fee (then add EIN to your order).

Have an LLC, but no EIN? Hire Northwest to get your EIN:
I have an SSN | I don't have an SSN

EIN Synonyms

You might see your EIN Number referred to in many different ways. They all mean the same thing, though.

Other terms for an EIN include:

  • EIN Number
  • Employer Identification Number
  • Federal Employer Identification Number (FEIN)
  • Federal Tax ID Numbers
  • Washington Federal Tax ID Number
  • Federal Tax Identification Number

Note: An EIN Number is not the same thing as a Washington State Tax ID Number. An EIN is issued by the IRS. And a Washington Tax ID Number is issued by the Washington Department of Revenue.

What’s an EIN used for?

An Employer Identification Number (EIN) is used by several different government agencies to identify your LLC.

Having an EIN for your Washington Limited Liability Company lets you:

  • Open an LLC business bank account
  • File federal, state, and local tax returns
  • File Washington income tax
  • Register for sales tax
  • Obtain business lines of credit or business loans
  • Get a business credit card for your LLC
  • Apply for business licenses or permits
  • Handle employee payroll (if applicable)

How much does it cost to get an EIN?

Applying for an EIN for your Washington LLC is completely free. The IRS doesn’t charge any service fees for the EIN online application.

When should you get an EIN?

Don’t apply for an EIN until your Washington LLC is approved.

Tip: If you applied for an EIN before your LLC is approved, or made another mistake, please see our FAQs below. We explain how a business owner can fix the most common EIN mistakes.

How do I file an EIN Application for my Washington LLC?

Important: Make sure you finalize how many LLC Members you have before you apply for an EIN. Changing from a Single-Member LLC to a Multi-Member LLC (or vice versa) requires filing paperwork with the IRS and the state. Additionally, you’ll need to transfer LLC ownership, amend your Operating Agreement, and update your accountant (since your tax filing will change).

Note: An LLC doesn’t stand for Limited Liability Corporation. It stands for Limited Liability Company.

Apply for an EIN (US Citizens and US Residents)

We recommend applying for an EIN online if you have a SSN (Social Security Number) or ITIN (Individual Taxpayer Identification Number).

This is the easiest filing method and it has the fastest approval time. Your EIN Number will be issued at the end of the online application, which takes about 15 minutes to complete.

We have step-by-step instructions on this page:

How to apply for an EIN online

Note: You can also apply for an EIN by mail or fax, but this is really slow compared to the online filing. We only recommend this if you get an error message (called an EIN reference number) and the IRS says that you have to.

Apply for an EIN (Non-US residents)

If you’re a non-US resident (and don’t have an SSN or ITIN), you can still get an EIN for your Washington LLC. You just can’t apply for a Federal tax EIN online.

Instead, you need to mail or fax Form SS-4 to the IRS. The SS-4 is the application form. We have step-by-step instructions on this page:

How to get an EIN without an SSN or ITIN

Note: If you’ve read somewhere that you have to hire a third party designee, this is not true. You can obtain your EIN yourself without using a third party designee.

EIN Approval (EIN Confirmation Letter)

Once the IRS issues an EIN for your Washington LLC, you will receive your official approval, known as an EIN Confirmation Letter (CP 575).

The method you use to apply for an EIN will determine how you receive your EIN Confirmation Letter. If you apply online, you can download the EIN Confirmation Letter at the end. If you mail or fax SS-4, the IRS mails your EIN Confirmation Letter.

Here is what the EIN Confirmation Letter looks like:

EIN Confirmation Letter (CP 575) for LLC

LLC Business Bank Account

After getting an EIN, you can open a business bank account for your Washington LLC. The bank will need your EIN Confirmation Letter (or EIN Verification Letter) to open the account.

Please see business bank account for LLC for a list of recommended banks (and the documents you should bring).

If you’re a non-US resident, you can still open a US bank account for your LLC. Please see this page: Non-US resident opening US bank account for an LLC

Internal Revenue Service (IRS) Contact Information

If you have any questions, you can call the Internal Revenue Service (IRS) at 1-800-829-4933. Their office hours are 7am – 7pm, Monday through Friday.

Use these options to speak to a live person:

  • Press option 1 for English.
  • Then press option 1 for Employer Identification Numbers.
  • Then press option 3 for “If you already have an EIN, but you can’t remember it, etc.”

Note: Pressing option 3 is the only way to get a live person.

We recommend calling the IRS right after they open to avoid long hold times.

The IRS won’t give you legal assistance or guidance, or legal or tax advice, but they will answer questions about the EIN application process.

EIN Frequently Asked Questions

Common EIN mistakes and how to fix them

Matt Horwitz
Matt Horwitz
Matt Horwitz is the leading expert on LLC education, and has been teaching for 15 years. He founded LLC University in 2010 after realizing people needed simple and actionable instructions to start an LLC. He's cited by Entrepreneur Magazine, Yahoo Finance, and the US Chamber of Commerce, and was featured by CNBC and InventRight.
 
Matt holds a Bachelor's Degree in business from Drexel University with a concentration in business law. He performs extensive research and analysis to convert state laws into simple instructions anyone can follow to form their LLC - all for free! Read more about Matt Horwitz and LLC University.

4 comments on “Washington Federal Tax ID Number (EIN)”

Disclaimer: Nothing on this page shall be interpreted as legal or tax advice. Rules and regulations vary by location. They also change over time and are specific to your situation. Furthermore, this comment section is provided so people can share their thoughts and experience. Please consult a licensed professional if you have legal or tax questions.

  1. Great resource! Thank you so much. Do the antiquated terms “husband” and “wife” literally mean, man and woman for married couples doing business together as a joint venture? Obviously, I’d like to think in the State of Washington at least, these terms have been changed to “Spouse 1” and “Spouse 2”. Meaning, I am a male married to another male in the State of Washington where marriage of same sex is recognized legally. Clarity on this would be helpful. Thank you.

    Reply
    • Hi Steven, thank you! Yes, you and your husband can qualify for a Qualified Joint Venture LLC. The IRS treats same sex marriages as opposite sex marriages if the marriage is legal, as per state law. We have an updated section about this here: Qualified Joint Venture LLC. Hope that helps :)

      Reply
  2. Hi Matt, I just filled out the online application for Northwest to get my LLC going. They charged me $50 for an EIN. In all the LLC University information it says “an EIN is free”. What gives? Thanks

    Reply
    • Hi Wes, by the EIN being free, we mean there is no federal fee from the IRS associated with the EIN (unlike how there is a state fee associated with forming an LLC). However, since a company is providing the service of doing the work for you, they are charging a service fee. Hope that helps.

      Reply

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