Alert

Tuesday, November 19, 2024 - Due to forecasted severe weather, OSOS services may experience intermittent outages overnight. We will resume normal business functions as soon as possible. We apologize for any inconvenience this may cause.

ALERT: Our office is aware of misleading notices being sent to businesses. Please visit our "Misleading Notices" page for examples. To verify required submissions, confirm any notices from our office through your business filing history. [Posted 11/12/2024]

Apostille and Certificate Authenticity Search

Heads Up

To locate an Apostille or Certificate completed in our office, fill out the form below.

Both fields are required.

Date Printed *

Format: MM-DD-YYYY (e.g., 01-19-2014)

Document Number *

Disclaimer

Any result posted or generated by the Authentication verification search tool is made available for informational purposes only. The Washington Secretary of State makes no warranty, expressed nor implied, regarding the accuracy, adequacy, completeness, legality, reliability or usefulness of any information so provided by the Authentication verification tool.

Certificates are not valid for use anywhere within the United States of America, its territories or possessions.