Issaquah, WA

Issaquah Property Tax Estimator

Estimate your property taxes in Issaquah, King County. Median home value: $1,100,000 | 2026 effective rate: 0.90%.

Property Details

$

Issaquah, King County median: $1,100,000

%

Issaquah, King County average: 0.900%

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

$9,900

Monthly Tax

$825

Effective Rate

0.900%

Tax at Different Price Points in Issaquah, King County

Home PriceAnnual TaxMonthly Tax
$500,000$4,500$375
$750,000$6,750$563
$1,000,000$9,000$750
$1,500,000$13,500$1,125
$2,000,000$18,000$1,500

Based on 0.900% effective tax rate for Issaquah, King County.

Impact on Monthly Mortgage Payment

Property taxes are part of your total PITI (Principal, Interest, Taxes, Insurance) payment. Lenders include $825/month in your qualifying debt-to-income ratio.

Monthly Tax Escrow

$825

Annual Tax Bill

$9,900

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 Issaquah, Washington?

Issaquah is in King County, which has an average effective property tax rate of 0.90% for 2026. On Issaquah's median home value of $1,100,000, that equals approximately $9,900 per year or $825 per month.

How much are property taxes on a $1,100,000 home in Issaquah?

At the current effective rate of 0.90%, a home valued at $1,100,000 in Issaquah pays approximately $9,900 in annual property taxes. That breaks down to $825 per month added to your mortgage escrow payment.

Does Issaquah have Mello-Roos or special assessments?

Issaquah, 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 Issaquah property taxes affect mortgage qualification?

Lenders include property taxes in your total PITI payment when calculating debt-to-income ratios. In Issaquah, the estimated $825/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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