Jumbo Loan Calculator — Washington

Washington's conforming limit is $832,750 in most counties and reaches $1,063,750 in King County and 2 other high-cost counties. This $1,280,000 example loan is $216,250 above the highest limit, so it is jumbo everywhere in the state.

Washington has the 20th-lowest effective property tax rate of the 50 states at 0.75% — $2,560 less a year than the 0.91% state average on a $1,600,000 home. Homeowners insurance averages $1,753 a year, the 13th-lowest premium nationally and $967 less than the typical state.

Loan Parameters

$
$50K$2M
$
%
0%100%
%
0%12%

Total Monthly Payment

$9,688

Principal & Interest + Taxes + Insurance

APR 7.030%

Loan Amount$1,280,00080% LTV
Principal & Interest
$8,542
Property Tax
$1,000
Home Insurance
$146
HOA Fees
$0

Total Interest

$1,795,001

Total Cost

$3,487,590

Advanced Parameters
%
$
$

Loan Summary

Payoff Date

Sep 2056

Interest / Principal

1.40x

Mortgage Insurance Ends

N/A

50% Equity

Jul 2048

Jumbo Loan numbers for Washington

Example jumbo home price
$1,600,000
20% down ($320,000)
Loan amount
$1,280,000
a jumbo loan in every Washington county
Estimated monthly payment
$9,688
APR 7.030%
Washington property tax
0.75%
$1,000/mo
Homeowners insurance
$1,753/yr
$146/mo
Highest Washington conforming limit
$1,063,750
Loan exceeds it by $216,250
Jumbo threshold in most counties
$832,750
36 of 39 counties

How much house can you afford in Washington with a jumbo loan?

Highest price where principal, interest, Washington property tax and insurance (no PMI at 20% down) stay within 28% of gross income —20% down, 30-year fixed at 7.03%. Other debts lower these numbers.

Household incomeHousing budget / moMax home priceDown paymentvs typical home
$200,000$4,667$758,000$151,600128%
$250,000$5,833$953,000$190,600161%
$300,000$7,000$1,149,000$229,800194%
$400,000$9,333$1,540,000$308,000260%
$500,000$11,667$1,931,000$386,200326%
$600,000$14,000$2,323,000$464,600392%
$750,000$17,500$2,909,000$581,800491%

Jumbo vs other loan types in Washington

$1,600,000 home, each program's typical minimum or default down payment, current average 30-year rate.

Loan typeDownLoan amountUpfront feeMonthly MITotal / monthAPR
ConventionalAbove conforming limit ($1,063,750)10% · $160,000$1,440,000—$864 PMI$11,6197.488%
FHAAbove FHA limit ($1,063,750)3.5% · $56,000$1,571,020UFMIP $27,020$977 MIP$12,6077.964%
VA0% · $0$1,634,400Funding fee $34,400$0$12,0537.242%
Jumbo20% · $320,000$1,280,000—$0$9,6887.030%

Washington high-cost counties (2026)

3 counties have a one-unit conforming limit above the $832,750 baseline. Loans up to these amounts are conforming, not jumbo.

  • King County$1,063,750
  • Pierce County$1,063,750
  • Snohomish County$1,063,750

Frequently asked questions

What is the monthly payment on a $1,600,000 home with a jumbo loan in Washington?

Estimated $9,688 per month ($8,542 principal & interest, $1,000 property tax, $146 insurance) at 7.03% for 30 years, with 20% down. APR 7.030%.

When is a loan jumbo in Washington?

When a one-unit loan exceeds $832,750, or the higher limit in 3 high-cost counties (up to $1,063,750).

Data sources & assumptions

Estimates exclude lender origination fees, points and closing costs. See our methodology for formulas and limitations.