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Mortgage Payment in Washington: Calculator With Property Tax

By Atlas by RapidTool · Updated

A monthly mortgage payment in Washington combines principal, interest and property tax. The estimated property tax rate in Washington is 0.75% of home value per year, about $3,000 on a $400,000 home.

Key takeaways

Monthly payment at common home prices (20% down, 30 years)

Home pricePrincipal + interestProperty taxTotal
$200,000$1,095$125$1,220
$300,000$1,642$188$1,830
$400,000$2,189$250$2,439
$500,000$2,737$312$3,049

Washington vs nearby states

StateProperty tax rateTax on a $400,000 home
Washington0.75%$3,000
Oregon0.81%$3,240
Idaho0.5%$2,000
California0.7%$2,800
Alaska0.94%$3,760

How it works in Washington

Property tax in Washington is estimated at 0.75% of home value per year. Your payment also depends on price, down payment, interest rate, term and homeowners insurance, which you can enter above.

What this estimate includes

Common questions

Does this Washington mortgage calculator include homeowners insurance?

Only if you enter it in the calculator. Insurance varies by home and location.

Is the mortgage interest rate current?

The default is the national weekly average as of October 1, 2026. Your lender's rate will differ.

What about HOA fees and PMI?

They are not included. With under 20% down, private mortgage insurance may add to the payment.

Sources. Property tax: Tax Foundation effective rates, based on US Census Bureau American Community Survey 2024 data. Mortgage rate: Freddie Mac Primary Mortgage Market Survey, national average. Compiled from the sources above. Data last updated: 2026-10-05.

Estimates for planning only. See the disclaimer.

Keep exploring

Paycheck Calculator in Washington · Car Insurance Cost in Washington · All Washington pages · Mortgage Payment by state

Nearby states: Oregon · Idaho · California · Alaska

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