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30-Year Fixed Jumbo Mortgage Refinance Interest Rates in Seattle, WA

Explore 30-year jumbo mortgage interest rates in Seattle, WA over time.

As of Jul 6, 2026
Washington Avg

7.047%7.05%

+0.06% · 1wk
National Avg

6.507%6.51%

-0.03% · 1wk

Timeframe

Daily refinance averages provided by the Mortgage Research Center.


Compare mortgage rates in Seattle, Washington

Showing results for: 30-Year Fixed refinance offers for Single Family or Townhome properties in WA, total loan amount of $800,000.

LenderAPR / RateMonthly Payment
Mortgage Rate Company

Rate data provided by RateUpdate.com. Displayed by Mortgage Research Center, NMLS #1907, Equal Housing Opportunity. Rates and fees are estimates and subject to change without notice. Payments do not include taxes and insurance premiums. Actual payments may be higher. Not all lenders participate in this marketplace. Loan availability and terms may vary by state and lender. Lender offers, including badges like “Lowest APR” or “Lowest Payment,” are based only on results displayed here and may not reflect the absolute lowest offer available in the market. Rate and product details


What refinancing looks like in Seattle at today's rates

The median home in Seattle costs about $773,200. Refinancing a typical balance of $618,560 (80% of that value) at today's average 30-year jumbo rate in Washington of 7.05% works out to roughly $4,135/month in principal and interest, with $869,982 of total interest over the 30-year term.

Here is how the monthly payment and break-even point change if you wait for (or negotiate) a lower rate, assuming closing costs of $15,464 (2.5% of the loan):

RateMonthly P&IMonthly savingsBreak-even
7.05% (today)$4,135
6.80% (−0.25%)$4,031$104/mo149 months
6.55% (−0.50%)$3,929$206/mo76 months
6.30% (−0.75%)$3,828$307/mo51 months
6.05% (−1.00%)$3,727$408/mo38 months

Estimates use principal and interest only and today's average Washington rate; they exclude taxes, insurance, and rate differences from credit score or loan size.

A typical Seattle refinance balance of $618,560 is below the $832,750 conforming loan limit, so jumbo rates in Seattle mainly apply to homes worth more than about $1,040,938 (at 80% loan-to-value). For comparison, the average conforming 30-year rate in Washington is currently 6.57% versus 7.05% for jumbo loans.

When Does Jumbo Refinancing Make Sense in Growing Seattle?

Seattle's 7.9% annual appreciation is building home equity faster than the national average. For median $773,200 homes with $800,000 jumbo loans (80% LTV), refinancing makes sense when: (1) rates drop 0.75%+ below your current rate, (2) you can eliminate PMI after reaching 20% equity through appreciation, or (3) you want to convert an ARM to fixed rates for payment stability. Example: refinancing from 7% to 6% saves $526/month. With $20,000 closing costs (typical 2.5% on jumbo loans), you break even in 38 months. As Seattle continues growing, property values above $832,750 increasingly require jumbo financing even for typical family homes.

How Much Equity Do I Need for Jumbo Refinancing in Seattle?

Most Seattle jumbo lenders require 20% equity minimum (80% LTV) for refinancing, though some allow up to 90% LTV with higher rates and PMI. For $773,200 median homes appreciating at 7.9% annually, homeowners who purchased 3-5 years ago likely have substantial equity gains. Example: a home bought for $615,499 three years ago is now worth $773,200-a $157,701 gain. This equity growth lets you refinance into better terms, eliminate PMI, or tap equity via cash-out refinancing. Jumbo cash-out refis typically cap at 80% LTV, meaning you can access up to $200,000 (20% of current value) while refinancing your existing $800,000 loan. New payment at 6.5%: $6,321/month.

What's the Difference Between Jumbo and Conforming Refinance Rates in Seattle?

Jumbo loans (those exceeding $832,750) in Seattle typically carry rates 0.25-0.75% higher than conforming loans due to increased lender risk and lack of Fannie/Freddie backing. For Seattle's $773,200 median homes, 80% LTV loans of $800,000 approach the jumbo threshold. However, borrowers with excellent credit (740+), low debt ratios (under 43%), and substantial reserves can secure competitive jumbo rates. The rate premium compounds over time: 0.5% higher on $800,000 costs approximately $261/month or $94k over 30 years. Shop multiple lenders-portfolio lenders and credit unions sometimes offer better jumbo pricing than mega-banks.

Should I Refinance My Jumbo Loan as Seattle Grows?

Seattle's 7.9% growth rate creates strategic refinancing opportunities. As home values rise from $773,200, your loan-to-value ratio decreases, potentially qualifying you for better rates or eliminating PMI. Refinancing a $800,000 jumbo loan from 7% to 6% saves $526/month and $189k in total interest over 30 years. After $20,000 closing costs, you're profitable after 38 months. If planning to stay in Seattlefor 3+ years, refinancing at today 's rates locks in savings for decades. Additionally, Seattle's 0.98% property tax rate ($631/month on median homes) is relatively low-factor this into total PITI comparisons when evaluating refinance scenarios.

Can I Get a No-Closing-Cost Jumbo Refinance in Seattle?

Yes, many Seattle lenders offer no-closing-cost jumbo refinances by either rolling $20,000 in fees into your loan balance or charging a slightly higher interest rate (typically 0.25-0.5% higher). For a $800,000 jumbo loan, paying 6.25% with zero upfront costs versus 6% with $20,000 closing costs means $130/month more. Break-even: it takes 154 months for the higher rate to cost more than paying closing costs upfront. No-closing-cost refis make sense if you plan to move or refinance again within 3-5 years, or if you'd rather preserve cash for other investments. In Seattle's growing market with 7.9% appreciation, many homeowners prefer preserving liquidity for down payments on investment properties or business opportunities.

Jumbo Loan Refinancing Strategy in Seattle

Because Seattle prices easily push into Jumbo Loan territory, your Loan-to-Value (LTV) ratio is your most important metric.

With values appreciating at 10.6%, your equity is growing at a healthy clip. If your LTV dips below 80%, you can negotiate much better rates. If you bought in recent years with a small down payment, this 10% bump might be exactly what you need to remove your Private Mortgage Insurance (PMI).

Property Tax Tip for Seattle Homeowners

When you refinance, your new lender will recalculate your "escrow" based on your home's *new* value. Be prepared for your tax escrow to adjust, and factor that into your monthly budget.

Washington Refinance Programs for Seattle Residents

The Washington State Housing Finance Commission (WSHFC) offers a specific "EnergySpark" program. If you are refinancing to renovate for energy efficiency (like solar panels or smart heating in your Seattle home), you can get a 0.25% rate discount!