Washington has no state income tax and moderate property tax rates (around 0.9% of value on average). The bigger factor in many areas is home price. This calculator defaults to a Washington-typical rate; adjust to your county.
How this calculator works
Enter your numbers and the monthly payment recalculates instantly — no submit button, no page reload. The payment breakdown separates principal, interest, taxes, insurance, PMI and HOA. Use the tabs to view a full amortization schedule, compare scenarios side by side, or work backward from a monthly budget. Your inputs are encoded in the page link so you can bookmark or share a scenario without any account.