The annual tax return is due April 15.

Department contacts

R
Program or topic Phone number
Real estate excise tax & refunds 360-704-5905
Registration & licensing, business 360-705-6741
Remote sales, consumer use tax 360-704-5900
Renewable energy system certification/credit 360-705-6218
Reporting frequency change 360-705-6211
Research, general information & statistics 360-534-1550
Retainage, public works contracts 360-704-5650
Returns without payment, combined excise tax 360-705-6215
Rule hearings & revisions 360-534-1559