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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 Jul 18, 2026
Delaware Avg

5.709%5.71%

-0.03% · 1wk
National Avg

5.714%5.71%

-0.03% · 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 5.71% works out to roughly $1,102/month in principal and interest, with $65,295 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
5.71% (today)$1,102
5.46% (−0.25%)$1,084$18/mo185 months
5.21% (−0.50%)$1,067$35/mo96 months
4.96% (−0.75%)$1,049$53/mo63 months
4.71% (−1.00%)$1,032$70/mo48 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 6.63%, the same $133,040 balance costs $852/month over 30 years — $250/month less than the 15-year fixed option, at the cost of $108,528 more interest over the life of the loan.

Should I Refinance from 30-Year to 15-Year in Wilmington?

In Wilmington's hot market with 15.4% appreciation, refinancing to a 15-year term accelerates both forced and natural equity building. On a $133,040 loan, switching from 30-year at 7% to 15-year at 6.5% increases your payment from $885 to $1,159/month-a $274increase. However, you'll save $110k in interest over the loan's life and build equity twice as fast. Combined with Wilmington's rapid appreciation, this strategy maximizes wealth building for homeowners who can afford higher payments.

How Much More Will My Payments Be with a 15-Year Refi in Wilmington?

Refinancing $133,040 from 30-year (7%) to 15-year (6.5%) increases your principal and interest payment by $274/month. Including Wilmington's $79/month property tax at 0.57%, your total PITI jumps from approximately $1,114 to $1,388. Can you afford the increase? If your Wilmington home appreciated from $166,300 to $191,245, refinancing to 15-year builds equity even faster, compounding with market growth.

How Fast Will I Build Equity with a 15-Year Refi in Wilmington?

Dramatically faster than 30-year loans. In the first year of a 15-year mortgage at 6.5%, approximately $7,317 of your $1,159 monthly payment goes to principal -versus only $2,661 monthly on a 30-year. Add Wilmington's 15.4% appreciation ($25,610/year on median homes), and your total equity grows $113,417 in year one. By year 5: over $567k in combined equity.

What Are 15-Year Refinance Closing Costs in Wilmington?

Expect $2,661-$3,991 (2-3% of loan amount) for 15-year refinancing in Wilmington. On a $133,040loan, that's approximately $3,326. While the monthly payment increase is $274, you're not "losing" that money-it goes to principal, building equity. The true benefit: $110k interest savings over the loan's life. With Wilmington's hot market appreciation, you're building wealth on two fronts: accelerated paydown + market gains.

Accelerate Equity with a 15-Year Refinance in Wilmington

Let’s talk about that incredible 16.9% appreciation rate. Your Loan-to-Value (LTV) measures how much you owe versus what the home is worth.

Because Wilmington homes are generally more affordable, a 17% jump in value is a massive boost to your net worth. If you bought with a small down payment, you are likely paying Private Mortgage Insurance (PMI). By refinancing right now, you can get your home reappraised at its new, higher value, drop your LTV below 80%, and eliminate that PMI payment entirely—saving you thousands a year.

Property Tax Tip for Wilmington Homeowners

A sub-$1,000 annual tax bill is fantastic. 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 5.71%:

CityMedian home priceEst. monthly P&Ivs. Wilmington
Wilmington$166,300$1,102
Dover$231,100$1,531+$429/mo
Newark$246,300$1,632+$530/mo
Milford$275,200$1,823+$721/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.