Formation

How to Form an LLC in Washington (2026 Complete Step-by-Step Guide)

The complete 2026 guide to forming a Washington LLC: $180 state fee, the Certificate of Formation, 5-10 business days processing, ongoing cost of $70/year, and how File.Business handles the entire formation at $0 service fee.
Salon owner with a client.
Salon owner with a client.

What Forming an LLC in Washington Actually Involves

Documents and supporting paperwork for an LLC formation filing.
Documents and supporting paperwork for an LLC formation filing.

Forming a Washington LLC means filing the Certificate of Formation with the Washington Secretary of State. You also meet any associated state-specific requirements. The filing creates the entity as a legal business. You get limited liability protection and a separate tax identity. You get the right to contract, sue and be sued, hold property, and open a bank account in the entity name. The Certificate of Formation fee is $180. The Washington Secretary of State processes it through sos.wa.gov in 5-10 business days standard turnaround.

Washington has no state income tax for LLCs. That attracts tech founders relocating from California. The annual report is a flat $70. That combination sets Washington apart from other states. Washington does not require a written Operating Agreement. Every LLC should still have one, to govern member rights and head off default-statute disputes. Washington does not require newspaper publication for LLC formation. The ongoing annual cost after formation is $70.

Why founders choose Washington

Three categories of founders form in Washington. (1) Residents who live and operate in Washington and form locally for simplicity. (2) Out-of-state founders who choose Washington specifically for its formation laws: privacy, tax treatment, court system, fee structure. (3) Founders adding a second entity in Washington as part of a multi-state structure. Each pattern carries different costs, registered-agent requirements, and ongoing compliance obligations.

What you get when the formation is approved

The Washington Secretary of State returns a date-stamped, accepted Certificate of Formation as proof of formation. Pair that document with the LLC's EIN, which is a separate IRS filing. The entity can then open a business bank account, sign contracts, and hire employees. It can qualify in other states as a foreign entity, file federal tax returns, and operate under state-level limited liability protection. Anything done in the entity's name BEFORE the formation date can cause trouble. Wait for the date-stamped Certificate of Formation before you sign material commitments.

How to Form a Washington LLC (Step-by-Step)

Washington LLC Formation at a Glance

ItemValue
Filing nameCertificate of Formation
Filing agencyWashington Secretary of State
State filing fee$180
Standard processing5-10 business days
Expedited processing$50 (2 business days)
Operating AgreementNot required
Newspaper publicationNot required
Annual fee$70

The Washington LLC formation process runs to six discrete steps. Follow the order below. It heads off the most common rejection reasons and stops you ordering an EIN before the entity legally exists.

Step 1: Choose and reserve your LLC name

Search the Washington business name database to confirm your proposed name is free. The name must include "LLC", "L.L.C.", "Limited Liability Company", or an accepted variation. It cannot be deceptively similar to a name already registered. Washington permits an optional name reservation, typically $25-$75. That locks the name for 120 days while you complete the formation.

Step 2: Designate a registered agent

Washington requires every LLC to continuously maintain a registered agent. The agent needs a physical Washington street address. P.O. boxes do not satisfy the requirement. The agent must be available during business hours to accept service of process. File.Business serves as registered agent in Washington at $149/year flat. That includes a 4-hour mail scan and same-day routing of time-sensitive documents.

Step 3: File the Certificate of Formation

Submit the Certificate of Formation through sos.wa.gov along with the $180 state filing fee. The filing asks for the LLC's legal name. It asks for the registered agent name and Washington address. It asks for the principal business address. It asks for the LLC management structure, member-managed or manager-managed. And it asks for the signature of an organizer. Expedited processing is available for $50 with 2 business days turnaround.

Step 4: Complete any state-specific post-filing requirements

Washington has no post-filing publication requirement. Formation is complete once the Certificate of Formation is accepted.

Step 5: Get the LLC's EIN from the IRS

After the Washington formation is approved, get a federal Employer Identification Number (EIN) from the IRS. You need the EIN to open a business bank account. You also need it to hire employees and file federal tax returns. US founders with an SSN can apply online through irs.gov for instant approval. Foreign founders without an SSN apply via fax (Form SS-4) with 4-business-day turnaround.

Step 6: Draft the Operating Agreement

Washington does not require a written Operating Agreement by statute. Every LLC should still have one. The Operating Agreement governs ownership, management, profit distribution, transfer rules, and dissolution. Without it, Washington's default LLC statute takes over. That often produces results the founders did not intend.

While you are here

Form your Washington LLC

We check the name with the state, prepare the articles, and file them. $0 service fee, state fee at cost. Or keep reading and file it yourself.

Common Washington LLC Formation Mistakes

Four mistakes consistently cause delays or rejections for Washington LLC formations.

Mistake 1: Name conflicts caught at filing

Washington's name database is strict about confusingly similar names. "Acme Holdings LLC" and "Acme Holding LLC" may collide. Run a thorough name search BEFORE you submit the Certificate of Formation. Check variations, abbreviations, and similar designators. A rejection on name grounds restarts the formation timeline.

Mistake 2: P.O. box registered agent address

Washington requires a physical street address for the registered agent. P.O. boxes, virtual mailboxes, and mail-forwarding services do not satisfy the statute. The state rejects filings with non-compliant addresses. Use a Washington resident with a physical address, or a commercial registered agent service.

Mistake 3: Getting an EIN before the LLC exists

The IRS issues EINs on the representation that the entity exists. Apply for an EIN BEFORE the Washington Certificate of Formation is approved and you create a mismatch. The IRS records will not line up with the Washington record. Wait for the date-stamped Certificate of Formation acceptance before you apply for the EIN.

Mistake 4: Skipping the Operating Agreement

Many founders form an LLC and never draft an Operating Agreement. Without one, default Washington statutes govern. That means equal voting rights regardless of capital contribution, no transfer restrictions, and automatic dissolution on member death. Draft the Operating Agreement before the LLC has any real activity.

How File.Business Forms Washington LLCs

File.Business runs Washington LLC formations end-to-end at $0 service fee plus the $180 state filing fee. We search the Washington name database to confirm availability and prepare the Certificate of Formation. We designate File.Business as Washington registered agent at $149/year flat. We file through sos.wa.gov, pay all state fees, and monitor processing. We deliver the approved Certificate of Formation to your document vault. We order your EIN from the IRS and draft an Operating Agreement template customized to your member structure.

Total first-year cost: $180 state fee + $149 registered agent + $70 annual report (if applicable).

Why founders choose File.Business for Washington

Three reasons. (1) $0 service fee on formation. You pay only the state fee, with no upsells and no hidden charges. (2) A flat $149/year registered agent with no renewal escalation, so the cost stays predictable across the entity's life. (3) Integration with the broader compliance system: annual report reminders, document vault, compliance score, and a multi-entity dashboard. Washington formation becomes the entry point to a complete compliance platform, not a one-off transaction.

Frequently Asked Questions

How much does it cost to form an LLC in Washington?

The Washington Certificate of Formation state filing fee is $180. Other first-year costs may include a registered agent service, which runs $99-$300/year for commercial providers. Add publication costs where required. The EIN is free direct from the IRS. File.Business charges $0 service fee on formation, so you pay only the state fee.

How long does Washington LLC formation take?

Standard Washington processing is 5-10 business days. Expedited processing is 2 business days for $50.

Does Washington require an Operating Agreement?

No. Washington statute does not require a written Operating Agreement, but every LLC should have one. Without it, Washington's default LLC statute governs ownership, management, distributions, transfers, and dissolution. The results are typically not what the founders intended.

Does Washington require newspaper publication for LLC formation?

No. Washington has no publication requirement for LLC formation. That keeps formation costs flat compared with publication states such as New York. There, required newspaper notices add real cost and delay.

What ongoing fees does a Washington LLC pay?

Washington LLCs pay $70 each year for ongoing compliance, meaning the annual report or equivalent. Federal taxes, registered agent fees, and any state-level franchise taxes are separate.

Can I form an LLC in Washington if I don't live in Washington?

Yes. Washington allows non-residents to form LLCs. The LLC needs a Washington registered agent, and a commercial service satisfies that. It also needs a designated Washington address for the registered agent. The owners can live anywhere, including outside the United States.

Can File.Business form my Washington LLC?

Yes. File.Business runs Washington LLC formations end-to-end at $0 service fee + $180 state fee. That covers name search, Certificate of Formation preparation and filing, and a Washington registered agent at $149/year flat. It covers IRS EIN ordering and an Operating Agreement template. You also get enrollment in our compliance monitoring system for ongoing Washington obligations.

Ready to form your Washington LLC?

File.Business handles the entire Washington LLC formation at $0 service fee plus the $180 state fee. That covers name search, Certificate of Formation filing, and a $149/year registered agent. It covers the IRS EIN and an Operating Agreement template. One engagement, end to end.

Form your Washington LLC → Form an LLC Registered Agent

Doing this in Washington specifically: Washington LLC formation and what a Washington LLC costs cover the detail for this state, including the current fee and the exact form the agency expects.

Authoritative sources

This guide is written from the official sources below. Fees, forms, and deadlines change. Confirm the current requirement with the agency before you file.

  • Washington Secretary of State Official Washington filing portal and current fee schedule
  • Department of Revenue Official Department of Revenue record: entity status, forms, and the current fee schedule
  • IRS Employer Identification Number requirements and the Form SS-4 application

Disclosure. File.Business is a private filing service, not a government agency and not a law firm. We prepare and submit filings at your direction, and nothing on this page is legal or tax advice. Filing fees, deadlines, and statutory references are current as of the last-updated date shown above and can change. Confirm current requirements with the relevant state agency before you file.

O
Written by

Orhan A. Mutlu

CTO and executive tax preparer at Troy Accounting, and the person who runs the state-filing operation behind File.Business: formation, registered agent, annual reports, amendments, reinstatement and dissolution across all 51 US jurisdictions. Founder of Global Opportunity Foundation, a 501(c)(3). Every fee in these guides is checked against the issuing agency's own published schedule. Corrections: [email protected]

Keep exploring

Start your business in the next 5 minutes.

No state-fee markup. Pay only the state fee. 60-day money-back guarantee.

No state-fee markup 60-day money-back Cancel anytime
From $0 + state fee Start my business