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Washington Mortgage Calculator

Estimate your monthly house payment in Washington, including property tax, homeowners insurance and PMI, with Washington defaults already filled in.

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Total monthly payment

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Total interest
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Principal and interest by year

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Show amortization schedule (yearly)
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Assumes a fixed-rate loan with monthly payments. Property tax is estimated from the purchase price; PMI is dropped once the balance falls to 78% of the original price. Closing costs are not included.

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Washington housing costs at a glance

Washington
Median home value (Zillow)$602,000
Average effective property tax0.74%
Typical rate for a new buyer (calculator default)0.85%
Average homeowners insurance ($300k dwelling)$1,404 a year
2026 conforming loan limit (one unit)$832,750 in most counties; higher in the Seattle area (King, Snohomish and Pierce counties) – check the FHFA table for your county

Example: median-priced home

Washington home for $602,000, 20% down, 6.5% 30-year fixed: principal and interest $3,044 + property tax $426 + insurance $117 = about $3,587 a month. Enter your own rate quote and the actual tax rate of the property for a precise figure.

Washington property tax

Washington's property taxes are moderate: the average effective rate is about 0.74% of value, typically 0.8%–1.1% in Seattle-area cities. Each taxing district's levy can grow by only 1% a year plus new construction without a public vote, but voter-approved school and transit levies add to the bill. Washington has no income tax, which is part of why home prices and sales taxes are high.

Other Washington costs

Other states

See also the Washington paycheck calculator and mortgage costs in other states.

Frequently asked questions

What is the real estate excise tax in Washington?

A graduated state tax from 1.1% to 3% of the sale price plus a local 0.25% to 0.5%, normally paid by the seller.

What is the monthly payment on a median-priced Washington home?

On a $602,000 home with 20% down at 6.5%, principal and interest are about $3,044; with property tax and insurance the total is about $3,590 a month.

What is the property tax rate in Washington State?

About 0.74% of home value on average, around 0.8% to 1.1% in the Seattle area.

Do I need earthquake insurance in Washington?

It is not required by lenders, but standard policies exclude earthquakes; many owners in the Seattle area add it.

For information only; not a loan offer. Property tax, insurance and closing costs depend on the specific property and lender.

Sources

Rules checked: October 2026

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