Calculate your monthly mortgage payment in Washington. Pre-filled with Washington's typical home value of $591,900 (Zillow Home Value Index, August 2026) and an effective property tax rate of 0.79% (Census ACS 2024 1-year, median taxes ÷ median home value).
Est. Monthly Payment
$3,797
Principal & Interest
$3,160
Property Tax / mo
$390
Total Interest Paid
$664,039
| Home Price | $591,900 | Typical home value in Washington — Zillow Home Value Index, August 2026 |
| Down Payment | 20% ($118,380) | Assumption — no sourced state average |
| Loan Amount | $473,520 | Home price minus down payment |
| Interest Rate | 7.03% | Freddie Mac PMMS national average, week of 2026-09-24 — not a Washington rate |
| Loan Term | 30 years | Assumption |
| Property Tax | 0.79% / year | Washington effective rate — Census ACS 2024 1-year, median taxes ÷ median home value |
| Home Insurance | 0.5% / year | Assumption — not a sourced premium |
Programs named for Washington: WSHFC Home Advantage, House Key Opportunity, MCC. This list has no recorded source or date and may be out of date — confirm current programs and eligibility with the Washington housing finance agency before you rely on it.
Cost of living: Very High (index 115.1, MERIC (C2ER index), Second Quarter 2026) · Population: 8,001,020 (Census Bureau estimate, July 1, 2025)
Washington has a typical home value of about $591,900 (Zillow Home Value Index, August 2026), above the U.S. typical value of $368,700. With an assumed 20% down payment of $118,380, a buyer would finance $473,520 over 30 years. At the national 7.03% fixed rate, the monthly principal and interest payment comes to $3,160.
The effective property tax rate in Washington — median real estate taxes paid divided by median home value — is 0.79% per year (Census ACS 2024 1-year, median taxes ÷ median home value), against 0.89% for the U.S. Combined with an assumed $247 a month for homeowners insurance, the estimated all-in monthly housing cost is about $3,797.
Using the 28% housing cost guideline, you would need a gross annual income of approximately $162,724 to qualify comfortably. The median household income in Washington is $99,389 (Census ACS 2024 1-year).
