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15-Year Fixed Mortgage Refinance Interest Rates in San Diego, CA

Explore 15-year fixed mortgage refinance rates in San Diego, CA over time.

As of Apr 7, 2026
California Avg

5.576%5.58%

+0.02% · 1wk
National Avg

5.580%5.58%

+0.02% · 1wk

Timeframe

15 Year Fixed Mortgage Interest Rates

Daily refinance averages provided by the Mortgage Research Center.


Compare mortgage rates in San Diego, California

Showing results for: 15-Year Fixed refinance offers for Single Family or Townhome properties in CA, 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


Should I Refinance from 30-Year to 15-Year in San Diego?

In San Diego's hot market with 9.8% appreciation, refinancing to a 15-year term accelerates both forced and natural equity building. On a $601,440 loan, switching from 30-year at 7% to 15-year at 6.5% increases your payment from $4,001 to $5,239/month-a $1,238increase. However, you'll save $497k in interest over the loan's life and build equity twice as fast. Combined with San Diego'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 San Diego?

Refinancing $601,440 from 30-year (7%) to 15-year (6.5%) increases your principal and interest payment by $1,238/month. Including San Diego's $476/month property tax at 0.76%, your total PITI jumps from approximately $4,627 to $5,865. Can you afford the increase? If your San Diego home appreciated from $751,800 to $864,570, refinancing to 15-year builds equity even faster, compounding with market growth.

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

Dramatically faster than 30-year loans. In the first year of a 15-year mortgage at 6.5%, approximately $33,079 of your $5,239 monthly payment goes to principal -versus only $12,029 monthly on a 30-year. Add San Diego's 9.8% appreciation ($73,676/year on median homes), and your total equity grows $470,627 in year one. By year 5: over $2,353k in combined equity.

What Are 15-Year Refinance Closing Costs in San Diego?

Expect $12,029-$18,043 (2-3% of loan amount) for 15-year refinancing in San Diego. On a $601,440loan, that's approximately $15,036. While the monthly payment increase is $1,238, you're not "losing" that money-it goes to principal, building equity. The true benefit: $497k interest savings over the loan's life. With San Diego's hot market appreciation, you're building wealth on two fronts: accelerated paydown + market gains.

Accelerate Equity with a 15-Year Refinance in San Diego

California's premium prices mean your Loan-to-Value (LTV) ratio is highly scrutinized by banks.

With values up 9.8%, your home is naturally dropping its LTV ratio. If you bought recently and got stuck with PMI, the near 10% appreciation you saw this year might be the exact cushion you need to reappraise and drop that insurance cost forever.

Property Tax Tip for San Diego Homeowners

Your low tax rate keeps your escrow manageable. If you decide to do a cash-out refinance to remodel, Prop 13 protects your base home value, meaning your taxes won't reset to the new market value just because you refinanced!

California Refinance Programs for San Diego Residents

The California Housing Finance Agency (CalHFA) offers the CalHERO program. If you are a first responder, teacher, veteran, or nurse in San Diego, this program offers reduced interest rates and fees to honor those who serve the community.


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