Taxes in SeaTac, Washington
Complete tax guide for SeaTac, WA. No state income tax, 0.99% property tax, 6.62% sales tax. Calculate your total tax burden.
State Income Tax
None
Washington
Property Tax
0.99%
Effective rate
Sales Tax
6.62%
Combined rate
Tax Burden
Low
SeaTac, WA Tax Overview
No state income tax; higher sales and B&O taxes
Population
31,454
Median Income
$72,700
Cost of Living
107.1 (100 = avg)
State Income Tax
None
Median Home Price
$577,000
SeaTac Tax Calculator
Pre-filled with SeaTac median: $72,700
Total Tax Burden in SeaTac
$13,170
Take-Home: $59,530 · Effective Rate: 18.11%
Federal Tax
$7,608
10.46% eff.
WA State
$0
0.00% eff.
FICA
$5,562
7.65% eff.
Take-Home
$59,530
81.89% kept
Tax Breakdown
| Item | Annual | Monthly |
|---|---|---|
| Gross Income | $72,700.00 | $6,058.33 |
| Federal Income Tax | -$7,608.00 | -$634.00 |
| Washington State Tax | $0.00 | $0.00 |
| Social Security (6.2%) | -$4,507.40 | -$375.62 |
| Medicare (1.45%) | -$1,054.15 | -$87.85 |
| Take-Home Pay | $59,530.45 | $4,960.87 |
Property Tax in SeaTac
Median Home
$577,000
Annual Tax
$5,712
Monthly Tax
$476
Effective Rate
0.99%
Sales Tax in SeaTac
Combined Rate
6.62%
State Portion
~4.1%
Local Portion
~2.5%
The combined sales tax rate in SeaTac is 6.62%, which is below the national average of 7.12%. On a $100 purchase, you would pay $6.62 in sales tax.
Tax Burden Comparison
| Tax Type | SeaTac | Washington Avg | National Avg |
|---|---|---|---|
| Income Tax | None | None | 4.6% |
| Property Tax | 0.99% | ~0.99% | 1.1% |
| Sales Tax | 6.62% | ~6.62% | 7.12% |
| Overall Burden | Low | — | Moderate |
About Taxes in SeaTac
SeaTac has a population of approximately 31,454 residents with a median household income of $72,700. The cost of living index is 107.1 (7.1% higher than the national average of 100).
Local context: No state income tax; higher sales and B&O taxes
Tax burden classification: Low. Effective combined tax rate of 25% includes federal, state, FICA, property, and sales taxes for a typical SeaTac household.
Official Tax Resources for Washington
For authoritative Washington tax forms, filing deadlines, and the latest legislative updates, consult these official government resources:
- Washington Department of Revenue — official state revenue agency
- Washington Individual Income Tax Forms — current tax year forms and instructions
- IRS Federal Tax Forms and Instructions — federal income tax filing
Tax Saving Tips for SeaTac Residents
- Washington has no state income tax, meaning your income is only subject to federal taxes and FICA. Consider investing your tax savings into a Roth IRA for tax-free growth.
- Property tax in SeaTac (0.99%) is below the national average of 1.1%. This makes homeownership more affordable here relative to property tax burden.
- Use a Health Savings Account (HSA) if eligible. Contributions are tax-deductible ($4,400 individual, $8,750 family), growth is tax-free, and withdrawals for medical expenses are tax-free.
Other Cities in Washington
Seattle
HighSpokane
LowTacoma
ModerateVancouver
ModerateBellevue
Very HighKent
ModerateEverett
ModerateRenton
ModerateFederal Way
ModerateBellingham
ModerateKirkland
Very HighKennewick
LowSources & Methodology
Tax rate data on this page is compiled from official government sources and updated for the 2026 tax year. Calculations follow the IRS-published 2026 federal tax brackets, FICA rates (6.2% Social Security up to $176,100 wage base, 1.45% Medicare), and Washington state tax provisions. Property tax estimates use SeaTac's median home value of $577,000and the local effective property tax rate of 0.99%.
- • Federal tax brackets and standard deductions: IRS.gov
- • State income tax rates and brackets: Washington Department of Revenue
- • Median household income, home value, and demographics: U.S. Census Bureau ACS
- • Cost of living comparisons: U.S. Bureau of Labor Statistics CES
- • National average benchmarks: Tax Foundation state-level tax burden studies
Disclaimer: Estimates are for informational purposes only. Actual tax liability depends on filing status, deductions, credits, and individual circumstances. Consult a licensed tax professional or your state revenue agency for binding tax guidance.
Reviewed by LevyIO Tax Research Team · Published 2026-01-15 · Last updated 2026-04-30
Calculate Your Full Washington Tax Burden
See detailed state tax brackets, FICA breakdown, and compare to neighboring states.
Frequently Asked Questions
What are the tax rates in SeaTac, WA?
SeaTac, Washington has no state income tax. The property tax rate is 0.99% and the combined sales tax rate is 6.62%. No state income tax; higher sales and B&O taxes
How much is property tax in SeaTac?
The effective property tax rate in SeaTac is 0.99%. On the median home price of $577,000, this equals approximately $5,712 per year or $476 per month. This is below the national average of 1.1%.
What is the sales tax rate in SeaTac?
The combined sales tax rate in SeaTac is 6.62%, which includes both state and local components. This is below the national average combined rate of approximately 7.12%.
How does SeaTac's tax burden compare to other cities?
SeaTac has a low overall tax burden. The effective total tax rate for a median-income household is approximately 25%. The absence of state income tax significantly reduces the overall burden. Cost of living index is 107.1 (100 = national average).
Are there any local taxes in SeaTac?
SeaTac does not impose a separate local or city income tax. Residents pay no state income tax, federal income tax, and FICA (Social Security and Medicare). No state income tax; higher sales and B&O taxes