Form an LLC by State › Washington
Cheapest and fastest way to file an LLC in Washington (2026)
Filing an LLC in Washington costs $200 in state fees. The fastest route listed is same day (in person), +$150 on top of the filing fee ($350 all in). Mainstay Filing, our best overall pick, files it for you and keeps the registered agent.
- Official sources, checked October 20, 2026
Cheapest vs fastest in Washington
| Route | What you get | State cost |
|---|---|---|
| Cheapest | 7 to 10 business days | $200 |
| Fast, no extra fee | None listed | — |
| Paid lane | About 3 working days | $300 |
| Paid lane | Same day (in person) | $350 |
Paid lanes are the filing fee plus the expedite fee. The yearly report is $70 afterwards.
What the Washington Secretary of State says
"Standard processing: Typically processed 7 to 10 business days of receiving your order". Expedited $100 per entity, "generally processed within three working days"; same-day $150 per entity (in person, Tumwater or Cheney).
Processing and priority, read October 1, 2026
Mainstay Filing
$199 / year, same at renewal
- LLC formation, prepared and filed
- Registered agent, all year
- EIN application (with an SSN or ITIN)
- Annual report filed every year it is due where the state requires one
- Compliance reminders and stored documents
Price from the Mainstay Filing pricing and FAQ pages, checked October 21, 2026. State fees are passed through at cost and shown before you pay.
Questions
What is the cheapest way to file an LLC in Washington?
The cheapest route is the plain filing at $200, with the state’s stated turnaround of 7 to 10 business days.
What is the fastest way to file an LLC in Washington?
The fastest route listed is same day (in person), +$150 on top of the filing fee ($350 all in).
How much does it cost to expedite a Washington LLC?
The state lists 2 options: about 3 working days (+$100); same day (in person) (+$150).
Sources
- Washington formation fee: Filing fee, official source read 2026-10-01: www.sos.wa.gov/corporations-charities/frequently-asked-questions-faqs/fee-scheduleexpedited-service, checked October 1, 2026
- Washington formation fee: Filing fee, official source read 2026-10-01: www.sos.wa.gov/corporations-charities/business-entities/online-filing-instructions/start-domestic-wa-limited-liability-company-llc-online, checked October 1, 2026
- Washington Secretary of State, Corporations & Charities Division (multira state research spine): ccfs.sos.wa.gov/, checked August 12, 2026
- Washington Secretary of State, Corporations & Charities Division (multira state research spine): www.sos.wa.gov/sites/default/files/2024-04/4.2024%20-%20AR%20-%20Profit%20-%20M&M%20-%20Corp%20Sole.pdf, checked August 12, 2026
- Washington yearly filing: Annual report, official source read 2026-10-01: www.sos.wa.gov/corporations-charities/business-entities/online-filing-instructions/file-annual-report-multiple-entity-types-online, checked October 1, 2026
- Washington report due date (multira state research spine, due dates verified 714/714): app.leg.wa.gov/RCW/default.aspx?cite=23.95.255, checked August 12, 2026
- Washington registered agent statute (RCW 23.95.415): app.leg.wa.gov/rcw/default.aspx?cite=23.95.415, checked October 20, 2026
- Washington processing and priority (Washington Secretary of State, official page read): www.sos.wa.gov/, checked October 1, 2026