Washington State Dept of Revenue Disaster Relief for Taxpayers (Businesses)

https://dor.wa.gov/get-form-or-publication/publications-subject/tax-topics/disaster-relief-taxpayers

DOR will work with businesses that cannot file or pay their taxes on time due to a natural disaster.

Businesses can request an extension or penalty waiver by sending a secure email in their My DOR account or by calling Revenue’s customer service staff at 360-705-6705, Mon, Tues, Thurs, Fri from 8 a.m. to 5 p.m. and Wed from 9 a.m. to 5 p.m.

Businesses in the impacted areas can also request: