Washington . Contact directory
How to reach the Washington Secretary of State.
Direct phone number, hours, mailing and physical addresses, and the right phone for the right question. Plus the related Washington departments most business owners need.
Primary phone
360-725-0377
Mon-Fri 8am-5pm PT
Mailing address
P.O. Box 40234, Olympia, WA 98504-0234
Physical address
801 Capitol Way South, Olympia, WA 98504
Fax
360-664-8781
Where this page sits
Up a level, or across to the neighbors.
Guide
Secretary of State phone number by state
The national explainer above this page: what changes between jurisdictions, and why.
Open the hub → SectionSecretary of State directory
Every filing the state business office takes, state by state.
Open the section → StateWashington business filings
Every filing a business makes in Washington, gathered on one page.
Open Washington → In WashingtonArticles of Amendment in Washington
Articles of amendment, state by state
Read the guide → In WashingtonSecretary of State Name Reservation in Washington
Name reservation, state by state
Read the guide → In WashingtonForeign Qualification in Washington
Foreign qualification, state by state
Read the guide →