How to Get an EIN for LLC: 2025 Step-by-Step Guide for Small Business Owners

If you’ve recently formed an LLC or are planning to, one of the most critical next steps is obtaining an Employer Identification Number (EIN). This nine-digit number, issued by the IRS, is essentially your business’s Social Security number. It’s required for opening a bank account, filing taxes, hiring employees, and more. In this comprehensive guide, we’ll walk you through exactly how to get an EIN for your LLC, including costs, timelines, state-specific considerations, and answers to frequently asked questions.

What Is an EIN and Why Does Your LLC Need One?

An EIN, also known as a Federal Tax Identification Number, is used to identify a business entity for tax purposes. While some single-member LLCs without employees can use the owner’s Social Security Number, it’s generally not recommended. Having an EIN provides several benefits:

• Protects your personal SSN from identity theft
• Required to open a business bank account
• Necessary for filing federal and state taxes
• Enables you to hire employees
• Builds business credit

Step-by-Step: How to Get an EIN for Your LLC

Step 1: Confirm Your LLC Is Formed

Before applying for an EIN, ensure your LLC is officially registered with your state. You’ll need your approved Articles of Organization and your state-issued LLC number. If you haven’t formed your LLC yet, consider using a formation service like Incfile (affiliate link) to streamline the process.

Step 2: Determine Your Responsible Party

The responsible party is the individual who controls or manages the LLC. For most small businesses, this is the owner or a managing member. You’ll need this person’s name, SSN or ITIN, and address.

Step 3: Choose How to Apply

There are four ways to apply for an EIN:

1. Online: Fastest method, available 24/7 on the IRS website. You’ll receive your EIN immediately upon completion.
2. By Fax: Submit Form SS-4 via fax. Processing takes about 4 business days.
3. By Mail: Send Form SS-4 to the IRS. Processing can take 4-6 weeks.
4. By Phone: Only for international applicants. Call the IRS at 267-941-1099.

Step 4: Complete Form SS-4

Whether online or on paper, you’ll need to provide:

• Legal name of your LLC
• Trade name (if different)
• Responsible party’s name and SSN/ITIN
• Mailing address
• County and state where LLC is formed
• Type of entity (LLC)
• Reason for applying (e.g., starting a new business)
• Date business started
• Closing month of accounting year
• Number of employees expected

Step 5: Receive Your EIN

If you apply online, you’ll get your EIN immediately. For fax, expect 4 business days; for mail, 4-6 weeks. Once received, keep your EIN confirmation letter (CP 575) in a safe place.

Cost and Time to Get an EIN

Applying for an EIN directly through the IRS is completely free. However, if you use a third-party service or an accountant, they may charge a fee. Typical costs:

• IRS direct: $0
• Online formation services (e.g., Incfile, LegalZoom): $50-$100 (often bundled with LLC formation)
• Accountant/Attorney: $100-$300

Timeframes:

• Online: Immediate
• Fax: 4 business days
• Mail: 4-6 weeks
• Phone (international): Immediate

For a hassle-free experience, consider using a service like LegalZoom (affiliate link) that can handle your EIN application along with LLC formation.

State-Specific Considerations for LLC EIN

While the EIN is a federal number, some states have additional requirements or nuances. Here’s a comparison of a few popular states:

State	State Tax ID Required?	Additional Fees	Notes
Delaware	Yes, for withholding	$75 annual franchise tax	No state sales tax, but may need a business license
California	Yes, for sales tax	$800 annual minimum franchise tax	Requires separate state employer ID number (SEIN)
Texas	Yes, for sales tax	No state income tax, but franchise tax may apply	Texas Comptroller issues a 11-digit taxpayer number
New York	Yes, for sales tax	Publication requirement for some LLCs	Must register with NYS Tax Department
Florida	No state income tax	Annual report fee $138.75	Sales tax registration may be needed

Always check with your state’s tax authority for specific requirements.

Common Mistakes to Avoid When Getting an EIN

• Applying before your LLC is approved by the state.
• Using the wrong responsible party (must be a person, not an entity).
• Losing your EIN confirmation letter – keep a digital copy.
• Applying for multiple EINs for the same LLC (only one is needed).
• Assuming an EIN replaces a state tax ID – you may need both.

Frequently Asked Questions (FAQ)

1. How long does it take to get an EIN for an LLC?

Online applications are instant. Fax takes about 4 business days, and mail can take 4-6 weeks.

2. Is there a fee to get an EIN?

No, the IRS does not charge a fee. Third-party services may charge for assistance.

3. Can I get an EIN without an SSN?

Yes, if you’re a non-resident, you can apply using an ITIN or by fax/mail with Form SS-4.

4. Do I need a new EIN if I change my LLC name?

Generally, no. But if you change the business structure or ownership, you may need a new EIN.

5. Can I use my EIN for multiple businesses?

No, each separate business entity needs its own EIN.

6. What if I lose my EIN?

You can request a copy of your EIN confirmation letter by calling the IRS at 800-829-4933.

7. Do I need an EIN for a single-member LLC?

While not always required, it’s highly recommended to protect your SSN and simplify banking and taxes.

Conclusion

Getting an EIN for your LLC is a straightforward process that can be done online for free in minutes. It’s a crucial step to legitimize your business, protect your personal information, and ensure compliance with tax laws. Remember to apply only after your LLC is approved, and keep your EIN secure. If you need help with LLC formation or EIN application, consider using a reputable service like Incfile (affiliate link) to save time and avoid errors.

By following this guide, you’ll be well on your way to operating a compliant and successful LLC.