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Washington · Name search and rules

Washington LLC name search

How to check if your name is free in Washington, the words you must use, the words you can't, and how to hold a name while you prepare.

Last verified 2026-11-01 against official Washington sources

Short answer: Restricted words include banking, cooperative, trust, and insurance terms without specialized authorization.

We've pulled these figures from the Washington Secretary of State, Corporations and Charities Division's own pages. If something's changed since our last check, the state's portal wins, so it's worth a quick look before you pay.

Washington naming rules

Restricted words include banking, cooperative, trust, and insurance terms without specialized authorization.

Open the official Washington name search

Reserving a name

Washington lets you reserve a name for $30, which holds it for Not specified.

Doing business under another name

Washington DBAs are filed with: state (Department of Revenue). Fee: UNCONFIRMED.

How Washington compares

Washington's name reservation fee is $30. That's the 13th highest of 50 jurisdictions we track. The national median is $25, so Washington runs $5 above it.

Washington and nearby states, name reservation fee. See all 50 jurisdictions.
StateFeeNational rank (1 = highest)
Washington$3013 of 50
Idaho$2033 of 50
Oregon$1001 of 50
Nevada$2518 of 50
California$1041 of 50
Montana$1041 of 50

Washington fees that apply here

Source: Washington Secretary of State, Corporations and Charities Division, checked November 1, 2026.
FilingState feeNotes
Certificate of Formation$200Filing by mail costs $180, while filing online costs $200 (includes an online processing fee).
Name reservation (optional)$30Not specified
DBA / assumed nameUNCONFIRMEDstate (Department of Revenue)

Name search and rules: Washington questions

How do I check if an LLC name is available in Washington?

Use the official Washington Secretary of State, Corporations and Charities Division business search. A name that's distinguishable from existing records can usually be registered.

What words must a Washington LLC name include?

Restricted words include banking, cooperative, trust, and insurance terms without specialized authorization.

Can I reserve an LLC name in Washington?

Yes. Reservation costs $30 and holds the name for Not specified.

Do I need a DBA in Washington?

Only if you'll do business under a name other than your exact LLC name. DBAs are filed with: state (Department of Revenue). Fee: UNCONFIRMED.

Sources and verification

Last checked against official state sources on . States change fees with little notice, so confirm on the filing portal before you pay. How we verify.

Still being confirmed with the state: name reservation.duration, ra.change fee, foreign.fee, dba.fee, amendment fee, report.dissolution note.