Do Trucking Businesses in Washington Need an EIN

Dec. 25, 2025, 4:28 p.m.
Yes — most trucking businesses in Washington do need an Employer Identification Number (EIN). An EIN (also called a Federal Tax Identification Number) is issued by the IRS and is used to identify your business for tax and reporting purposes.
EIN for Washington Trucking Business

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What Is an EIN?

An Employer Identification Number (EIN) is a unique nine-digit number the IRS assigns to business entities for tax administration. It’s essentially the business version of a Social Security Number (SSN).

You use an EIN to:

  • File federal tax returns

  • Report payroll taxes

  • Open business bank accounts

  • Apply for business licenses and permits

  • Register with state agencies (Washington Department of Revenue, L&I, etc.)

  • Apply for USDOT and FMCSA authorities when operating interstate


 When a Washington Trucking Business Does Need an EIN

You generally need an EIN for your trucking business in Washington if any of the following are true:

 1. You Have Employees

If you hire drivers, office staff, or independent contractors and pay wages, you must have an EIN to report payroll taxes.

 2. You Operate as a Formal Business Entity

If your trucking business is formed as any of the following, an EIN is required:

  • LLC (single-member or multi-member)

  • Corporation (C or S corp)

  • Partnership

  • Professional corporation

Even a single-member LLC usually needs an EIN — especially if it has employees or elects to be taxed as a corporation.

 3. You File Certain Federal Tax Returns

Trucking businesses frequently file tax forms that require an EIN, including:

  • Form 941 (Employer’s Quarterly Federal Tax Return)

  • Form 940 (Federal Unemployment Tax)

  • Excise tax returns (if applicable)

  • Information returns for contractors (1099s)

 4. You Apply for IRS Withholding and Reporting

If you withhold income taxes from drivers or must issue 1099s to contract drivers, an EIN is needed.

 5. You Need to Open a Business Bank Account

Most banks require an EIN to open a business account unless you’re a sole proprietor with no employees — but even then, carriers often need one for other registrations.

 

 When a Washington Trucking Business Might Not Need an EIN

There are limited cases where an EIN may not be required:

  • Sole proprietors with no employees — If you are an individual owner-operator trucking business and you don’t have employees, you can sometimes use your SSN for federal tax purposes.

    • However, many business and state registrations still effectively require an EIN (see below).

    • Even single-owner truckers often choose to get an EIN to separate business and personal finances.

Important: Even if you technically can use your SSN, it’s almost always better to get an EIN for liability protection, tax, and compliance simplicity.


 Why an EIN Is Especially Important in Trucking

 FMCSA / USDOT / Operating Authority

If your trucking business:

  • Applies for USDOT numbers

  • Applies for Federal Motor Carrier (MC) Authority

  • Operates interstate

…the Federal Motor Carrier Safety Administration (FMCSA) expects an EIN on these applications.

 IFTA, IRP, and State Taxes

Washington trucking businesses registering for:

  • IFTA (fuel tax)

  • IRP (apportioned registration)

  • Washington State tax accounts (Department of Revenue)

…will typically use the EIN as the business identifier.

Business Licenses and Permits

City, county, and state permits — including freight, terminal, or yard permits — often require an EIN.


 How to Get an EIN

Getting your EIN is straightforward:

 Apply -

You’ll get your EIN immediately online.


 Summary

Business Type / Activity EIN Required?
Trucking business with employees  Yes
Trucking LLC or corporation  Yes
Partnership trucking business Yes
Sole proprietor owner-operator with no employees  Optional (SSN ok) but strongly recommended
Applying for FMCSA authority  Yes
Registering for IFTA/IRP  Yes
Opening business bank account  Yes

 Bottom Line

Most Washington trucking businesses need an EIN, even if not legally required in a few sole proprietor scenarios. Having an EIN:

  • Simplifies federal and state tax reporting

  • Separates personal and business identity

  • Is required for carriers that operate interstate, hire employees, or register with regulatory agencies

 

https://www.sba.gov/business-guide/launch-your-business/get-federal-state-tax-id-numbers