Washington State Office of the Insurance Commissioner

Pay your surplus lines taxes

When and how do I file my tax return?

Your tax return and payment for the previous calendar year are due March 1st. You will need to file online.

How do I file online?

First, you'll need a user id and password. We'll send this to your tax contact person we have on file. If you're not sure who your contact person is, email us: taxes@oic.wa.gov.

Second, you file online Link goes to a secure site..

What if I'm a new licensee?

You'll need to establish a user id and password. Send us your:

  • WAOIC number,
  • Tax contact name,
  • Mailing address,
  • Phone number, and
  • Email address.

Email this information to taxes@oic.wa.gov.


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