Washington · Sales Tax Deduction
Sales Tax Deduction in Washington (2026)
Deduct state sales tax instead of income tax as part of the combined federal SALT itemized deduction. Washington has no state income tax, so a Washington filer's combined marginal rate on the next dollar at $82,228 of income is about 22% (22% federal).
2026 savings example for Washington
Planning estimate for a single filer earning $82,228 (Washington median household income in LevyIO's state dataset) who removes $5,000 from taxable income. Federal tax uses the 2026 IRS brackets after the $16,100 standard deduction; WA tax uses the state brackets in LevyIO's dataset.
Estimated total savings
$1,100
Federal savings
$1,100
$9,260 → $8,160 · 22% bracket
WA state savings
$0
No state income tax
Combined marginal rate
22%
≈ $220 saved per $1,000 deducted
Statutory maximum for this item in LevyIO's dataset: $40,400.
Federal × Washington marginal rates (2026, single)
Gross-income ranges include the federal standard deduction. The WA column is the state marginal rate at the midpoint of each range (Washington has no income tax). The last column is the tax saved per $1,000 deducted at that combined rate.
| Federal bracket | Gross income (single) | WA marginal | Combined | Per $1,000 |
|---|---|---|---|---|
| 10% | $16,100 - $28,500 | 0% | 10% | $100 |
| 12% | $28,500 - $66,500 | 0% | 12% | $120 |
| 22% | $66,500 - $121,800 | 0% | 22% | $220 |
| 24% | $121,800 - $217,875 | 0% | 24% | $240 |
| 32% | $217,875 - $272,325 | 0% | 32% | $320 |
| 35% | $272,325 - $656,700 | 0% | 35% | $350 |
| 37% | Over $656,700 | 0% | 37% | $370 |
Eligibility & forms
Taxpayers in states without income tax
- Alternative to income tax deduction
- IRS tables or actual receipts
- Part of the combined $40,400 SALT cap ($20,200 MFS)
Federal forms: Schedule A
Washington filing notes
No wage income tax is a major benefit. Washington capital gains tax excludes many assets including real estate and retirement accounts, but high-gain liquidity events need separate review. High sales taxes add up. Compare to Oregon, which has no sales tax but does tax wage income.
Common mistakes: Claiming both income and sales tax; Not using IRS tables.
Frequently asked questions
How much can the Sales Tax Deduction save a Washington taxpayer in 2026?
In LevyIO's example, a single filer with $82,228 of income (the Washington median household income in our state dataset) who removes $5,000 from taxable income saves about $1,100 in 2026 federal tax (22% marginal bracket) and nothing at the state level because Washington does not tax wage income. It is a planning estimate computed from the 2026 IRS brackets and LevyIO's WA bracket data, not a survey figure.
What is the Washington income tax rate for 2026?
Washington has no state income tax. The WA standard deduction in LevyIO's dataset is $0 single / $0 married. No wage income tax. Washington capital gains tax uses a 7% tier and an additional 2.9% tier above $1M for tax year 2025 and later. Very high combined sales tax (9.29%). Estate tax.
Who qualifies for the Sales Tax Deduction in Washington?
Taxpayers in states without income tax. The federal rules are the same in every state; the requirements are: Alternative to income tax deduction; IRS tables or actual receipts; Part of the combined $40,400 SALT cap ($20,200 MFS). Washington filers should confirm on the WA return whether the state follows the federal treatment.
Which forms do I file to claim the Sales Tax Deduction?
Federal: Schedule A. Washington has no individual income tax return for wage income, so there is no state form to file for this item. Common mistakes: Claiming both income and sales tax; Not using IRS tables.
Sales Tax Deduction in other states
Sources
Reviewed 2026-09-17. Estimates are educational planning figures computed from the IRS 2026 inflation adjustments and LevyIO's state bracket dataset; they are not tax advice.