Washington LLC Requirements

Each state has different requirements for forming a limited liability company (LLC). Whether you are starting a business or incorporating a business already in existence, you'll want to understand the state requirements for LLC formation.

Cost to form a Washington LLC

At BizFilings, we clearly outlines our fees and the Washington state fees. When you view our pricing to form an LLC you plainly see:

  • BizFilings’ package prices. BizFilings offers three incorporation service packages from which you can choose.
  • State fee for standard turn-around. Our pricing clearly shows the state fee to incorporate in Washington with standard turn-around.
  • Expedited turn-around. You will see the BizFilings and state fee, if any, for expedited turn-around.
  • Certified copy. Our pricing also clearly displays the BizFilings and state fee, if any, for issuing a Certified Copy of the Certificate of Formation.

Form a Washington LLC

LLC Name

The LLC name must end with "Limited Liability Company," "LLC" or "L.L.C." The name must not imply a purpose other than the purpose stated in the Certificate of Formation. It must be distinguishable from the name of any other domestic LLC or of any foreign corporation authorized to do business in state. The words "Bank," "Loan" and "Home Loan" require approval from the Department of Financial Institutions. The word "Trust" cannot be used in a name. Use of the word "Co-Operative" is restricted.

Member/Manager information

The following are Washington’s requirements for the members/managers of LLCs:

  • Minimum number. LLCs must have one or more members/managers.
  • Residence requirements. Washington does not have a provision specifying where members/managers must reside.
  • Age requirements. Washington does not have age requirements.
  • Inclusion in the Certificate of Formation. Member/Manager names and addresses are not required to be listed in the Certificate of Formation.

Requirements for the Certificate of Formation

The document required to form an LLC in Washington is called the Certificate of Formation. The information required in the formation document varies by state. Washington's requirements include:

  • Registered agent. LLCs must list the name and address of a registered agent with a physical address (no post office boxes) in Washington. The registered agent must be available during normal business hours to accept important legal and tax documents for the business.
Washington Registered Agent Service

Other filings required at time of incorporation

Some states require additional filings or steps at the time of incorporation, such as a county level filing, publishing notice of the LLC formation in a local newspaper or an initial report filing. Washington requires the following:

  • Initial report. Washington requires LLCs to file an initial report within 120 days of incorporation.

Professional services businesses

Washington allows professionals, such as accountants, attorneys and physicians, to form a professional limited liability company (PLLC).

After forming a limited liability company (LLC), you must undertake certain steps on an ongoing basis to keep your business in compliance. These steps are also important in preserving the limited liability an LLC provides its owner(s). This guide outlines the ongoing requirements for Washington LLCs.

LLC taxes and fees

The following are taxation requirements and ongoing fees for Washington LLCs:

  • Annual report. Washington requires LLCs to file an annual report on or before the last day of the anniversary month of the company’s incorporation. The cost is $69.
  • Taxes. For complete details on state taxes for Washington LLCs, visit Business Owner's Toolkit or the State of Washington .
  • Federal tax identification number (EIN). An EIN is required for LLCs that will have employees. Additionally, most banks require an EIN in order to open a business bank account.
  • State tax identification number. Washington requires a state tax identification number.

Business licenses

Business licenses and/or permits are required for most businesses. The BizFilings Business License Application Package can help you stay on top of these requirements.

Additional Washington information

View the following additional resources BizFilings has for forming and maintaining companies in Washington:

State Guides


The state in which you form your company can provide certain benefits.

Please select both a state and a topic.

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