Washington LLC: How to Get Started

Forming a Washington LLC means filing a Certificate of Formation with the Washington Secretary of State, then completing several post-approval steps before your business is actually ready to operate. This guide covers naming your LLC, appointing a registered agent, getting your Unified Business Identifier (UBI) number, and meeting Washington's Initial Report and annual compliance deadlines. Washington has its own filing terms and compliance rules that generic formation guides tend to skip entirely.

Key Takeaways

• You form a Washington LLC by filing a Certificate of Formation with the Washington Secretary of State.
• Washington's base LLC formation filing fee is $180, with additional costs depending on filing method and processing speed. Verify the current fee schedule at sos.wa.gov before filing.
• Every Washington LLC must maintain a registered agent with a physical Washington street address. A P.O. Box, private mailbox, or virtual address doesn't satisfy this requirement.
• Washington requires an Initial Report within 120 days of your LLC's effective date. Miss this deadline and your LLC can fall out of good standing.

How to Form a Washington LLC in 7 Steps

Starting a Washington LLC is a straightforward process, but each filing detail has to line up with state requirements before your business is officially formed. Taking it step by step can help you avoid delays, rejected paperwork, and missed obligations after approval.

1. Choose a Name for Your Washington LLC

Your LLC name is the first thing the Washington Secretary of State reviews. A name that's already taken, or one that breaks naming rules, gets your filing rejected.

Your name must be distinguishable from every other entity registered or reserved with the Washington Secretary of State. Minor tweaks like adding "the" or changing punctuation won't always clear the bar.

Washington LLC naming rules.

• Your name must contain "Limited Liability Company," "Limited Liability" and the abbreviation "Co.," or the abbreviation "L.L.C." or "LLC."
• The name can't imply your LLC is a government agency or include restricted words like "bank," "attorney," or "university" without proper authorization.
• The name can't be the same as, or too similar to, any entity already on record with the Washington Secretary of State.
• The name can't indicate the LLC is organized for a purpose other than what's stated in the Certificate of Formation.
• Check name availability using the Corporations & Charities Filing System (CCFS) at ccfs.sos.wa.gov.

How to Search for an Available Name

Search for exact matches first, then similar names. A name that sounds different but looks nearly identical on paper may still get rejected. If your search returns no conflicts, go ahead and file. If you find a close match, modify your name before filing rather than risking rejection after paying the fee.

Optional: Reserve your name. Not ready to file yet? A name reservation holds the name for 180 days. The fee is $30. File online through the CCFS or by mail. If you're ready to file now, skip the reservation entirely -- approval locks the name automatically.

2. Appoint a Washington Registered Agent

Every Washington LLC must name and continuously maintain a registered agent to receive legal documents, government notices, and service of process on the LLC's behalf.

Washington requires the registered agent's address to be a physical street address in Washington where the agent is available during normal business hours. P.O. Boxes, private mailboxes, and virtual addresses don't qualify. Registered agent rules set out exactly who can serve and what's required.

Who can serve as your registered agent.

• An individual Washington resident, including an LLC member or manager, with a physical Washington street address and availability during normal business hours.
• A commercial registered agent listed with the Washington Secretary of State.

A note on consent. Washington requires a registered agent to consent to the appointment before being named in your Certificate of Formation. If you serve as your own registered agent, your signature on the formation document counts as that consent.

Failing to maintain a registered agent, or failing to update the Secretary of State when your agent changes, can result in administrative dissolution and loss of liability protection. If you don't have a physical Washington address, hiring a commercial registered agent is the straightforward path. Inc Authority's formation package can pair guided filing preparation with registered agent options, which helps if you don't have a Washington address or want to keep your personal address off public filings.

3. File Your Washington Certificate of Formation

The Certificate of Formation officially creates your LLC. Start Washington LLC online through the CCFS at ccfs.sos.wa.gov, or by mail to the Washington Secretary of State, Corporations & Charities Division, P.O. Box 40234, Olympia, WA 98504-0234.

Before filing, gather this information.

• Your LLC name (confirmed available via the CCFS name search)
• Your registered agent's full name and Washington physical street address
• Your LLC's principal office street address (P.O. Box not acceptable)
• Names and addresses of your LLC's governors (Washington's term for the individuals or entities authorized to manage the business)
• Names and addresses of your LLC's organizer (called the "executor" in Washington's Certificate of Formation)
• Nature of business description
• Preferred effective date (immediate, or a future date up to 90 days out)

Your UBI number, if your business has preWashington also asks for governor information, which is tied to how your LLC is managed. In a member-managed LLC, the owners handle day-to-day decisions. In a manager-managed LLC, members appoint one or more managers to run the business. Match the governor information in your filing to the management structure you plan to use in your operating agreement.

Washington also asks for governor information, which is tied to how your LLC is managed. In a member-managed LLC, the owners handle day-to-day decisions. In a manager-managed LLC, members appoint one or more managers to run the business. Match the governor information in your filing to the management structure you plan to use in your operating agreement.

File online. The online process is faster, includes the Initial Report at no extra cost when filed at the same time, and gives you immediate confirmation. Mail filings are slower, require you to track the Initial Report deadline separately, and carry the risk of lost or delayed documents.

Filing fees and processing times.

Washington's filing fees vary by method, and expedited processing is available for an additional fee. Standard online processing is typically faster than mail, but verify the current fee schedule and processing timeline at sos.wa.gov before filing.

One important note on uploaded documents. If you prepare a separate Certificate of Formation and upload it with your online submission, every field must match exactly what you entered in the CCFS form. Any difference sends the filing back for corrections. When in doubt, use the CCFS online form directly.

4. Get Your Washington UBI Number

Once your Certificate of Formation is approved, the Washington Secretary of State assigns your LLC a Unified Business Identifier (UBI) number. This is a nine-digit state-level business ID used across multiple agencies and registrations. You don't apply for it separately; it's issued automatically upon approval.

You'll use your UBI number when you:

• Register with the Washington Department of Revenue for B&O tax and sales tax
• Apply for your Washington state business license through the Business Licensing Service
• File your Initial Report and annual reports with the Secretary of State
• Apply for city and county business endorsements

In Washington, your UBI number connects your formation filing to tax registration and business licensing. Keep it handy -- you'll need it often in the weeks after approval.

5. Create an Operating Agreement

Washington doesn't require LLCs to file an operating agreement with the Secretary of State. That said, having one is strongly recommended.

An operating agreement spells out how your LLC is owned, managed, and run: how profits are split, how members vote, and what happens if someone wants to leave. Without one, disputes default to Washington's statutory LLC rules, which may not reflect what you actually want. A well-drafted operating agreement also reinforces your LLC's liability protection by showing the business operates separately from your personal finances. Keep it with your LLC's records, not with the state.

6. Apply for an EIN

An EIN (Employer Identification Number) is a nine-digit federal tax ID issued by the IRS. Your Washington LLC needs one before you can register for Washington state taxes or open a business bank account.

Even as a single-member LLC with no employees, an EIN keeps your personal and business identities separate, which matters for taxes and for maintaining liability protection. Apply directly through the IRS at irs.gov at no cost. The online application takes about 15 minutes and issues your EIN immediately. Inc Authority also offers EIN registration as part of its formation services.

7. File Your Washington LLC Initial Report

The Initial Report is a Washington-specific post-formation requirement. Treat it as part of your formation process, not a separate administrative detail to handle later.

Washington requires an Initial Report within 120 days of your LLC's effective date. It confirms your principal office address, registered agent, governor information, and nature of business.

Filing options and fees.

• Filed at the same time as your online Certificate of Formation: $0 (included at no extra cost)
• Filed separately after formation: $10 (verify current fee at sos.wa.gov)
• File online through the CCFS or by mail to the Washington Secretary of State, Corporations & Charities Division

What happens if you miss the deadline.

Skip the Initial Report and the Washington Secretary of State can administratively dissolve your LLC. The state doesn't send a reminder. The 120-day clock runs from your effective date regardless.

The simplest move: file your Initial Report at the same time as your Certificate of Formation online. You eliminate the $10 fee, the deadline risk, and one item from your post-formation checklist in a single step.

Washington LLC Costs: Filing Fees, Annual Fees, and Total Startup Expenses

Starting a Washington LLC costs a minimum of $200 in required state fees. Beyond that, budget for an annual report fee, a Washington state business license, and any registered agent or professional service costs. First-year expenses typically run $250 to $600 depending on your choices.

Verify current fees at sos.wa.gov and dor.wa.gov before filing.

What Does it Really Cost to Start a Washington LLC?

The cost table above gives the filing fees and common add-ons. The examples below show what those expenses can look like in a first-year budget, depending on whether you serve as your own registered agent or use professional support.

DIY, online filing, self as registered agent.

• Certificate of Formation (online): $200
• Washington state business license: ~$90
• EIN registration (IRS): $0
• Estimated Year 1 total: ~$290+

Online filing, professional registered agent, no formation service.

• Certificate of Formation (online): $200
• Registered agent service: ~$125/year
• Washington state business license: ~$90
• EIN registration: $0
• Estimated Year 1 total: ~$415+

Ongoing annual costs (Year 2+).

• Annual report fee: $70
• Registered agent service (if applicable): ~$125/year
• Business license renewal: varies by city and county endorsements

Washington has no state income tax and no franchise tax on LLCs. Your main recurring obligation to the Secretary of State is the $70 annual report. That makes ongoing costs more predictable than in most other states.

What to Do After Your Washington LLC is Approved

The Secretary of State filing creates your legal entity. What follows makes your business ready to actually operate: registering for Washington state taxes, obtaining your state business license, and opening a dedicated business bank account.

Register for Washington State Taxes

Washington has no personal or corporate income tax. Instead, businesses pay the Business & Occupation (B&O) tax: a gross receipts tax assessed against total business income, not net profit. A slow year doesn't eliminate your B&O obligation.

B&O tax rates vary by business type. The retailing rate is 0.471% of gross receipts. Service and other activities are taxed at 1.5% (on $50,000 in gross revenue, that's $750). Verify current rates at dor.wa.gov before filing.

Key B&O tax facts for new Washington LLCs.

• Small businesses with low gross receipts may qualify for the Small Business B&O Tax Credit, which can reduce liability to zero. A return must still be filed even if no tax is due.
• Filing frequency, monthly, quarterly, or annual, is assigned by the Department of Revenue based on your gross receipts.
• If your LLC sells taxable goods or services, you must collect and remit Washington retail sales tax: 6.5% at the state level plus applicable local rates.
• Failing to register can result in multiple years of assessed taxes and penalties.

Your UBI number connects your Secretary of State filing to your Department of Revenue registration. Most new LLC owners handle tax registration and business licensing together through a single Business License Application via the Washington Business Licensing Service.

Obtain a Washington State Business License

Certificate of Formation approval doesn't register you with the Washington Department of Revenue or authorize commercial operation. Formation creates the legal entity; licensing is the separate Washington step that lets you operate, collect sales tax, hire employees, or obtain required local endorsements.

You're required to obtain a Washington state business license if any of the following apply.

• Your gross income is $12,000 per year or more.
• You sell a product or service requiring sales tax collection.
• You plan to hire employees within the next 90 days.
• Your business requires city, county, or state endorsements, or you operate under a name other than your full legal name.

How to apply. Apply through the Washington Department of Revenue's Business Licensing Service via the My DOR portal at dor.wa.gov or by mail. Use the Business Licensing Wizard at dor.wa.gov/open-business/apply-business-license to get a list of local and industry endorsements you may need before submitting your application.

Online applications take about 10 business days to process. City or state endorsements require an additional 2-3 weeks. The initial state business license fee is approximately $90. City and county eAfter your Washington LLC is approved, staying compliant means tracking more than one agency. The Secretary of State handles your annual report and registered agent records, while the Department of Revenue handles business license renewals and state tax filings. Use the deadlines below as your recurring Washington compliance checklist.

Endorsement fees vary by jurisdiction. Verify current fees at dor.wa.gov before filing.

Open a Business Bank Account

Once your Certificate of Formation is approved and your EIN is in hand, open a dedicated business bank account. Most banks require both documents before opening an account in the business's name.

Mixing personal and business finances is one of the fastest ways to lose your LLC's liability protection; courts call this "piercing the corporate veil." A dedicated account also simplifies B&O tax filings considerably. Calculating gross receipts is much easier when all LLC revenue and expenses run through a single account.

Washington LLC Annual Report and Ongoing Compliance Requirements

After your Washington LLC is approved, staying compliant means tracking more than one agency. The Secretary of State handles your annual report and registered agent records, while the Department of Revenue handles business license renewals and state tax filings. Use the deadlines below as your recurring Washington compliance checklist.

Annual report basics:

• Due by the last day of the month your LLC was originally formed. Washington uses an anniversary-based system, not a fixed calendar deadline. If your Certificate of Formation was approved March 15, your annual report is due by March 31 each subsequent year.
• Filing fee: $70. Verify the current amount at sos.wa.gov.
• File online through the CCFS or by mail to the Washington Secretary of State, Corporations & Charities Division.
• Missing the deadline can result in administrative dissolution. Washington provides no grace period.

Other ongoing compliance obligations.

• Maintain a registered agent with a current physical Washington street address on file at all times. Change registered agent information promptly through the CCFS if your agent changes.
• Keep your principal office address and governor information current with the Secretary of State.
• Renew your Washington state business license annually through the Department of Revenue's Business Licensing Service.
• Continue filing B&O tax returns on your assigned schedule with the Washington Department of Revenue.

Washington has no franchise tax. The $70 annual report and your B&O tax filings are the two main recurring requirements for most LLCs.

Washington LLC Vs. PLLC Vs. Foreign LLC: Which One Do You Need?

For most first-time business owners forming a new Washington-based business, a standard domestic LLC is the answer. Washington recognizes two other situations that require different filings.

Domestic LLC is the standard structure for any new Washington-based business not involving a licensed profession that requires a PLLC.

Washington PLLC is required for certain licensed professionals, including attorneys, physicians, dentists, architects, and engineers, who want to operate through an LLC structure. If you hold a Washington state professional license, verify whether your profession requires a PLLC before filing a standard LLC. The LLC and PLLC guide from the Secretary of State covers the distinctions in detail.

Foreign LLC registration is required when an LLC already formed in another state wants to do business in Washington. You're not forming a new LLC; you're registering your existing entity to operate in Washington. That requires a Foreign LLC Registration filing with the Washington Secretary of State and the appointment of a Washington registered agent.

DIY Vs. Using a Formation Service for Your Washington LLC

Washington's $200 online filing fee is the unavoidable baseline cost whether you file yourself or use a formation service.

DIY is reasonable if you're comfortable using the CCFS, sourcing your own registered agent, and tracking the Initial Report deadline. The Certificate of Formation isn't a complex document. Review the LLC filing forms on the Secretary of State's website before you start.

Inc Authority's $0 service fee model changes the math for first-time filers. You get guided Certificate of Formation preparation, registered agent options, Initial Report tracking, and annual report reminders without paying a formation service fee beyond the required Washington state filing costs. The value is in reducing rejection risk and cutting down on admin overhead, not replacing anything you could do yourself.

The Washington state business license, Department of Revenue tax registration, and any professional licensing requirements stay your responsibility regardless of which path you choose.

Common Washington LLC Filing Mistakes to Avoid

Most Washington LLC filing mistakes happen because the state uses specific terminology, address rules, and post-formation deadlines that are easy to miss. Before you submit your Certificate of Formation or start operating, check these items against your filing and follow-up plan.

• Choosing a name that conflicts with an existing Washington entity. Run the CCFS name search before you file. A name that looks unique to you may already be registered in a form close enough to trigger rejection.
• Providing a P.O. Box for the registered agent address. Washington requires a physical Washington street address. A P.O. Box, private mailbox, or virtual address will get the filing rejected.
• Uploading a prepared Certificate of Formation that conflicts with the CCFS form fields. Every field must match exactly what you entered in the online form. Even minor formatting differences send the filing back for correction.
• Missing the Initial Report deadline. The Secretary of State doesn't send a reminder. The 120-day clock runs from your effective date. File the Initial Report at the same time as your Certificate of Formation to eliminate this risk entirely.
• Failing to register for Washington state taxes or obtain a business license after formation. Certificate of Formation approval doesn't register your LLC with the Department of Revenue or authorize commercial operation. Those are separate steps with separate fees.

Washington LLC FAQs

How Long Does it Take to Form an LLC in Washington?

Standard online processing takes five to seven business days. Expedited processing (additional $100) is generally done within two to three business days. Mail filings take three to four weeks plus transit time. Verify current timelines at sos.wa.gov.

Can I Be My Own Registered Agent for a Washington LLC?

Yes, provided you have a physical Washington street address and are available during normal business hours. The trade-off: your personal address becomes part of the public record. If privacy matters to you, a commercial registered agent service keeps your personal address off the public filing.

Does Washington Require an Operating Agreement for an LLC?

Washington doesn't require LLCs to file an operating agreement with the Secretary of State. Having one is still strongly recommended. Without it, internal disputes default to Washington's statutory LLC rules. Keep the signed agreement with your LLC's internal records.

Does Washington Have an LLC Franchise Tax or Annual Fee?

Washington has no franchise tax on LLCs. The main recurring obligation to the Secretary of State is the $70 annual report fee, due by the last day of the month your LLC was originally formed. Washington LLCs are also subject to the B&O tax on gross receipts, administered by the Department of Revenue. Verify the current annual report fee at sos.wa.gov.

How Much Does it Cost to Form an LLC in Washington?

The minimum required cost is $200: the online Certificate of Formation filing fee ($180 base plus $20 online processing). Most first-year budgets also include a Washington state business license (~$90) and, optionally, a professional registered agent service ($100-$300/year). Inc Authority's formation service adds $0 in service fees. See the cost table above for a full breakdown.

How Do I Get an LLC in Washington?

File a Certificate of Formation with the Washington Secretary of State through the CCFS at ccfs.sos.wa.gov. Before filing, confirm your name is available, identify a registered agent with a physical Washington street address, and gather your governor and organizer information. The online fee is $200. After approval, file your Initial Report within 120 days, obtain a Washington state business license, and register with the Department of Revenue for B&O tax purposes.

What Are Common LLC Mistakes to Avoid in Washington?

The most consequential: filing a name that conflicts with an existing Washington entity; listing a P.O. Box as the registered agent address; uploading a Certificate of Formation that conflicts with the CCFS form fields; missing the 120-day Initial Report deadline; and failing to register for Washington state taxes or obtain a business license after formation. See the full breakdown in the Common mistakes section above.

What is the Difference Between a Domestic LLC and a Foreign LLC in Washington?

A domestic LLC is formed in Washington by filing a Certificate of Formation with the Washington Secretary of State. A foreign LLC is an LLC already formed in another state that wants to do business in Washington. Foreign LLCs file a Foreign LLC Registration, not a Certificate of Formation, and must appoint a Washington registered agent.