Washington tax deductions and write-offs (2026)

No. Washington has no state personal income tax, so military retired pay is not taxed. With no income tax, Washington relies more on sales and property taxes; older homeowners get this break: Senior/disabled exemption for owners 61+ or disabled; county income limits (King County up to $84,000, 2024-2026).

No. Washington has no tax on wage or retirement income, so pensions and 401(k)/IRA withdrawals are not taxed; its capital gains tax does not apply to retirement account distributions. A 9.9% tax on income above $1 million has been signed for tax years starting 2028; it does not affect 2026. With no income tax, Washington relies more on sales and property taxes; older homeowners get this break: Senior/disabled exemption for owners 61+ or disabled; county income limits (King County up to $84,000, 2024-2026).

No. Washington has no individual income tax in 2026, so Social Security benefits are not taxed by the state. ESSB 6346 (2026) creates a 9.9% tax on income above $1 million starting January 1, 2028. It has no specific Social Security exclusion, but it only reaches very high incomes. With no income tax, Washington relies more on sales and property taxes; older homeowners get this break: Senior/disabled exemption for owners 61+ or disabled; county income limits (King County up to $84,000, 2024-2026).

Yes: Washington offers the Working Families Tax Credit, Flat-dollar refund, not a % of federal. Tax year 2025: $50 minimum, maximum $335 / $660 / $995 / $1,330 for 0 / 1 / 2 / 3+ children (refundable). Paid as a sales-tax refund; you apply with the Department of Revenue, not on a tax return. ITIN filers eligible; married filing separately allowed. Age 25–64 required if you have no qualifying child. 2026 inflation-adjusted amounts were not yet published (applications for 2026 open in 2027). A 2026 law extends eligibility to ages 18–24 and 65+ and raises income limits starting tax year 2029.

Yes, and it's usually your best option: Washington has no income tax, so itemizers deduct sales tax instead (6.5% state rate, about 9.57% with local taxes). Vehicles owe an additional 0.5% motor vehicle sales/use tax (up from 0.3% on Jan. 1, 2026) on top of state and local sales tax.

No: Washington doesn't offer a renter's credit or rent rebate. Washington has no state income tax and no renter credit or rent rebate. Washington's senior/disabled property tax exemption and deferral require owning the home, but low-income working renters may qualify for the Working Families Tax Credit, a refund of sales tax. Lower-income renters can still claim Washington's earned income credit: Flat-dollar refund, not a % of federal. Tax year 2025: $50 minimum, maximum $335 / $660 / $995 / $1,330 for 0 / 1 / 2 / 3+ children.

Yes on your federal return if you itemize, within the $40,400 SALT cap. Washington adds its own break: Senior/disabled exemption for owners 61+ or disabled; county income limits (King County up to $84,000, 2024-2026).

Sometimes: only the Regional Transit Authority (RTA) excise tax is value-based, and it's deductible if you itemize. RTA tax is 1.1% of depreciated MSRP for King, Pierce and Snohomish residents in the district; other state fees are flat.

Washington has no tax on wages, but it taxes long-term capital gains above a large threshold, and its sales tax is among the highest.

No: Washington has no state income tax, so there's nothing to deduct 529 contributions from. No wage income tax (capital gains excise only), so no deduction for WA529 Invest or GET contributions.

No: Washington has no income tax, so there's no state child tax credit. No tax on wages or salaries. The Working Families Tax Credit (a sales-tax rebate based on federal EITC eligibility, larger with more qualifying children) is not an income tax credit; lawmakers expanded it in 2026. Washington does have an earned income credit: Flat-dollar refund, not a % of federal. Tax year 2025: $50 minimum, maximum $335 / $660 / $995 / $1,330 for 0 / 1 / 2 / 3+ children.

Yes, as a business expense: Washington charges $180 (+ online processing fee) to form an LLC; ongoing: $70 annual report. Due by end of the formation anniversary month; $10 initial report within 120 days if not filed with formation.