Tax Forms

The tax form​s below are provided for your convenience. Before downloading and submitting a tax return form, please verify that you have a current and valid City of Issaquah business license. You may do so by contacting Tax Staff via email or by phone at 425-837-3065 or 425-837-3049.

Business & Occupation Tax Forms


Quarterly B & O Tax Return Form
Annual Tax Return Form
2019 Apportionment Worksheet
Instructions for 2019 Apportionment Worksheet

Gambling Tax Forms