How much is 1099 self-employment tax in Washington?

In Washington, 1099 workers pay 15.3% self-employment tax on 92.35% of net earnings, plus federal income tax. Washington has no state income tax.

Do I need to pay quarterly taxes in Washington?

Yes. If you expect to owe $1,000+ in federal taxes, make quarterly estimated payments. Washington has no state income tax, so no state quarterly payments are required.

What platforms does this Washington 1099 calculator work for?

This calculator works for DoorDash, Uber, Lyft, Etsy, OnlyFans, Airbnb, Amazon Flex, Instacart, Grubhub, and all other 1099 / self-employed income in Washington.

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WA · 1099 & Self-Employed · Tax Year 2026

Washington 1099 Tax Calculator 2026 —
Self-Employment Tax for Gig Workers

This free Washington 1099 tax calculator helps gig workers, freelancers and independent contractors estimate their 2026 self-employment tax, federal income tax and no state income tax (Washington is tax-free) on 1099 income. Works for DoorDash, Uber, Etsy, OnlyFans, Airbnb and all gig platforms.

State Tax Rate

No state income tax

How 1099 Taxes Work in Washington

As a 1099 worker in Washington, you pay self-employment tax of 15.3% on 92.35% of your net earnings (this covers Social Security 12.4% and Medicare 2.9%). On top of that, you owe federal income tax at your bracket rate (10%–37%). Washington has no state income tax, which means you keep more of every dollar compared to high-tax states.

You can deduct 50% of your SE tax from gross income, plus business expenses like mileage ($0.725/mile in 2026), phone, equipment, and home office. Most gig workers in Washington end up with an effective total tax rate of 18%–28% after deductions.

Example 1099 Income in Washington

$40,000 gross 1099 income

SE tax (15.3%): ~$5,652
Federal tax: ~$4,800
State tax: $0 (no state tax)
Est. take-home: ~$29,548

$80,000 gross 1099 income

SE tax (15.3%): ~$11,304
Federal tax: ~$17,600
State tax: $0 (no state tax)
Est. take-home: ~$51,096

* Estimates based on standard deduction, single filer, after 50% SE deduction. Use the full calculator above for your exact situation.

2026 Quarterly Tax Deadlines — Washington

Quarter	Due Date	Federal	State
NOWQ1 2026	April 15, 2026	✓ Required	Not required
Q2 2026	June 16, 2026	✓ Required	Not required
Q3 2026	September 15, 2026	✓ Required	Not required
Q4 2026	January 15, 2027	✓ Required	Not required