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King County FHA Loan Calculator

Adjust the sliders to model your loan in real time. We have prefilled this page with local benchmark averages for King County, Washington based on real HMDA transaction records.

Loan Details

King County, WA Benchmarks

FHA averages
Typical Property Value$642,738
Average Down Payment11.3%
Average Interest Rate6.218%
Effective Tax Rate0.76%
Median Tax Paid$7,114/yr
Tax Growth (Historical)+1.7%
Based on 2,006 regional loans totaling $1,077,930,000 (HMDA database).
$
%

$72,629 down · $570,109 financed

%
yrs
$

Paid directly to principal

Payoff estimated June 2056

Local & Recurring Costs

%

$407 / month

$

Annual premium

$

Per month

%

$242 / month

Estimated Monthly Payment

$4,359/mo

  • Principal & Interest$3,560
  • Property Tax$407
  • Home Insurance$150
  • FHA MIP$242
Amortization · Remaining Balance

Financed Loan Amount

$580,086

Total Interest

$701,650

Total of Payments

$1,281,735

*Includes financed FHA Upfront MIP of $9,977

Local Market Insights

King County FHA Mortgage Overview

In King County, an 11.31% down payment on an FHA loan offers accessible entry for owner-occupants, but mandatory Mortgage Insurance Premiums (MIP) last the loan’s lifetime regardless of equity. The 88.69% LTV ratio confirms this is a standard purchase, not an investment. With an average property value of $642,738.39 and a 6.218% rate, the effective 0.76% property tax rate adds $4,884.81 annually. The recent 1.7% inflation-adjusted tax shift increases monthly costs slightly, which is critical when evaluating King County FHA loan limits and property taxes. This data is ideal for those exploring FHA loan down payment options in King County, Washington, but remember MIP is permanent.

Disclaimer: This calculator provides estimates for educational purposes only and does not constitute a loan offer or financial advice. Actual rates, taxes, insurance, and fees will vary.