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LLC Formation in Washington: Cost, Steps & How to File

LLC Formation in Washington sits at the intersection of state, county, and city rules — which is why nobody gives you a single checklist. Below is that checklist, put together from the Washington Secretary of State and Department of Revenue's own guidance, so you know what you're actually on the hook for before you start filing.

Typical cost

$50–$500

Timeline

1–20 days

Renewal

Annual or biennial report

Who needs it

anyone starting a business as a legal entity

Steps to form an LLC in Washington

Step 1: Choose a unique business name and confirm it's available with the Secretary of State
Step 2: Designate a registered agent with a physical in-state address
Step 3: File Articles of Organization (paper or online) with the Secretary of State
Step 4: Pay the state filing fee
Step 5: Get an EIN from the IRS (free, online, immediate)
Step 6: Open a business bank account with the EIN and filed articles
Step 7: Draft an operating agreement (recommended, not required in most states)

Required documents

Government-issued ID
Business name
Registered agent info
Member/manager list

Where to file in Washington

Business filings: https://ccfs.sos.wa.gov
Secretary of State: https://www.sos.wa.gov
Tax authority: https://dor.wa.gov
Labor/workforce: https://esd.wa.gov

Heads up: Set a calendar reminder for renewal — annual or biennial report. Washington, like most states, sends few reminders, and a lapsed llc formation can shut a business down mid-operation while you scramble to restore good standing.

Related permits in Washington

Business License in Washington Sales Tax Registration in Washington Employer Registration in Washington DBA Filing in Washington

Frequently asked questions

How much does a llc formation cost in Washington?

Typical cost ranges from $50–$500. The exact fee depends on your specific business type, city, and any expedited processing you choose.

How long does it take to get a llc formation in Washington?

Most Washington applications complete in 1–20 days. Same-day or next-day processing is often available for an added fee at the state level.

Do I need a llc formation if I'm just starting a home business in Washington?

In most cases, yes — even home-based businesses in Washington are subject to the same state filing rules. Local rules (city and county) may add a home occupation permit on top.

This page reflects general Washington filing rules as of 2026. Fees and processing times change; verify the current amounts with the linked state agency before filing.