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15-Year Fixed Mortgage Refinance Interest Rates in Wilmington, DE

Explore 15-year fixed mortgage refinance rates in Wilmington, DE over time.

As of Sep 12, 2026
Delaware Avg

6.153%6.15%

+0.20% · 1wk
National Avg

6.153%6.15%

+0.18% · 1wk

Timeframe

Daily refinance averages provided by the Mortgage Research Center.


Compare mortgage rates in Wilmington, Delaware

Showing results for: 15-Year Fixed refinance offers for Single Family or Townhome properties in DE, total loan amount of $228,000.

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 Wilmington at today's rates

The median home in Wilmington costs about $166,300. Refinancing a typical balance of $133,040 (80% of that value) at today's average 15-year fixed rate in Delaware of 6.15% works out to roughly $1,134/month in principal and interest, with $71,025 of total interest over the 15-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 $3,326 (2.5% of the loan):

RateMonthly P&IMonthly savingsBreak-even
6.15% (today)$1,134
5.90% (−0.25%)$1,116$18/mo185 months
5.65% (−0.50%)$1,098$36/mo93 months
5.40% (−0.75%)$1,080$54/mo62 months
5.15% (−1.00%)$1,063$71/mo47 months

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

Weighing the term itself? At today's Delaware average 30-year fixed rate of 7.02%, the same $133,040 balance costs $887/month over 30 years — $247/month less than the 15-year fixed option, at the cost of $115,221 more interest over the life of the loan.

How Much Interest Can I Save with a 15-Year Refinance in Wilmington?

Substantial savings in Wilmington's stable market. Refinancing $133,040 from 30-year at 7% to 15-year at 6.5% cuts total interest from $186k to $76k-saving $110k over the loan's life. You'll pay more monthly ($274 increase), but every extra dollar goes to principal, not interest. With Wilmington's 4% steady appreciation, you'll own your home outright in 15 years with significant equity gains from both paydown and market growth.

Should I Refinance to 15-Year or Stay in 30-Year in Wilmington?

Refinance to 15-year in Wilmington if you can comfortably afford $274/month more. Your total PITI payment (including $79/month property tax at 0.57%) rises from $1,114 to $1,388. Benefits: $110k interest savings, debt-free in 15 years, forced savings plan. Stay in 30-year if: you prefer payment flexibility, invest extra cash at higher returns, or want emergency fund cushion. With Wilmington's 4% appreciation, both options build equity.

What's My Break-Even on a 15-Year Refinance in Wilmington?

Break-even analysis differs for 15-year refis. With $3,326 closing costs and $110k total interest savings, you "profit" as long as you keep the loan beyond 5 months. However, the real value isn't monthly cash flow-it 's accelerated equity. In Wilmington, each year of a 15-year mortgage builds approximately $87,806 in principal equity plus $6,652 in market appreciation. You're debt-free 15 years faster.

Can I Afford a 15-Year Refinance in Wilmington?

Calculate your debt-to-income ratio. Lenders prefer DTI below 43% for 15-year mortgages. On Wilmington's $166,300 median home, your $1,159/month P&I plus $79 property tax plus $150 insurance = $1,388total. To qualify comfortably, you'd need household income around $59,486/year (assuming 28% housing ratio). Benefits if you qualify: own home in 15 years, $110k interest savings, rapid equity building in Wilmington's 4% appreciation market.

Accelerate Equity with a 15-Year Refinance in Wilmington

Your Loan-to-Value (LTV) measures how much you owe versus what the home is worth.

If you bought with a small down payment, you are likely paying Private Mortgage Insurance (PMI).

Property Tax Tip for Wilmington Homeowners

When you refinance, roll your closing costs into your new loan. Because your home value is lower, fixed closing costs can take up a larger percentage of your loan, so rolling them in keeps your out-of-pocket expenses at zero.

State & Local Assistance in Wilmington

The Delaware State Housing Authority (DSHA) is an incredible partner for affordability. Explore their programs to ensure you are maximizing any available state-backed interest rate benefits to keep your Wilmington homeownership sustainable and affordable.

How Wilmington compares across Delaware

Median home prices vary widely across Delaware, which changes what a typical refinance costs. Here is the estimated monthly principal and interest on a median-priced home (80% loan-to-value) at today's average 15-year fixed rate of 6.15%:

CityMedian home priceEst. monthly P&Ivs. Wilmington
Wilmington$166,300$1,134
Dover$231,100$1,575+$441/mo
Newark$246,300$1,679+$545/mo
Milford$275,200$1,876+$742/mo

Estimates use each city's median home price with the same statewide average rate; actual quotes vary by lender, credit profile, and loan size.