Property Details
SeaTac, King County median: $440,000
SeaTac, King County average: 1.080%
Washington Property Tax Note
Washington has no state income tax, so local governments rely more heavily on property taxes for revenue. Rates vary significantly between counties and cities.
Your Property Tax Estimate
Annual Tax
$4,752
Monthly Tax
$396
Effective Rate
1.080%
Tax at Different Price Points in SeaTac, King County
| Home Price | Annual Tax | Monthly Tax |
|---|---|---|
| $500,000 | $5,400 | $450 |
| $750,000 | $8,100 | $675 |
| $1,000,000 | $10,800 | $900 |
| $1,500,000 | $16,200 | $1,350 |
| $2,000,000 | $21,600 | $1,800 |
Based on 1.080% effective tax rate for SeaTac, King County.
Impact on Monthly Mortgage Payment
Property taxes are part of your total PITI (Principal, Interest, Taxes, Insurance) payment. Lenders include $396/month in your qualifying debt-to-income ratio.
Monthly Tax Escrow
$396
Annual Tax Bill
$4,752
Calculations are estimates for educational purposes only. Actual property taxes depend on your county assessor's valuation, local bond measures, Mello-Roos districts, and homeowner exemptions. Contact Mo Abdel at (949) 822-9662 for a personalized mortgage analysis. NMLS #1426884 | Lumin Lending NMLS #2716106.
Frequently Asked Questions
What is the property tax rate in SeaTac, Washington?
SeaTac is in King County, which has an average effective property tax rate of 1.08% for 2026. On SeaTac's median home value of $440,000, that equals approximately $4,752 per year or $396 per month.
How much are property taxes on a $440,000 home in SeaTac?
At the current effective rate of 1.08%, a home valued at $440,000 in SeaTac pays approximately $4,752 in annual property taxes. That breaks down to $396 per month added to your mortgage escrow payment.
Does SeaTac have Mello-Roos or special assessments?
SeaTac, King County does not have Mello-Roos (a California-specific program). However, Washington property taxes include special levies for schools, fire districts, library districts, and other local services that vary by location within the county.
How do SeaTac property taxes affect mortgage qualification?
Lenders include property taxes in your total PITI payment when calculating debt-to-income ratios. In SeaTac, the estimated $396/month tax escrow on a median-priced home directly reduces the loan amount you qualify for. Mo Abdel can help you factor in property taxes when comparing loan programs.
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