Washington Tax Deadlines

When are taxes due in Washington?

Washington does not have a state income tax, so there is no state income tax filing deadline. However, residents must still file their federal income tax return by April 15, 2026.

Does Washington require estimated tax payments?

Washington does not levy a state income tax, so state-level estimated tax payments are not required. However, you may still need to make federal estimated tax payments.

What is the Washington tax extension deadline?

Since Washington does not have a state income tax, there is no state extension deadline. For federal taxes, you can request an automatic 6-month extension to October 15, 2026 using Form 4868.

What are the Washington tax rates for 2026?

Washington does not impose a state income tax on individuals. However, other taxes such as sales tax, property tax, and business taxes may apply. Visit Washington Department of Revenue for details.

Does Washington conform to federal due dates?

Washington does not levy an individual income tax, so most income tax deadlines are not applicable.

Where can I file Washington tax forms?

Visit Washington Department of Revenue at https://dor.wa.gov for official forms and e-file options.

Does Washington have any business taxes?

Yes. Washington's B&O tax applies to gross receipts at rates ranging from 0.138% to 3.3% depending on business classification. There is no deduction for costs of doing business.

What taxes do Washington residents still need to pay?

Washington has no state income tax. The state relies on a 6.5% sales tax (plus local additions), property taxes, and a Business & Occupation (B&O) tax. A 7% capital gains tax applies to gains over $250,000.

Are there any state-level tax obligations in Washington?

While Washington does not have a state income tax, residents and businesses are still subject to federal income tax obligations. Additionally, property taxes, sales taxes, and other state-specific taxes may apply. Visit Washington Department of Revenue for complete details.