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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 Jun 10, 2026
California Avg

5.717%5.72%

+0.06% · 1wk
National Avg

5.721%5.72%

+0.06% · 1wk

Timeframe

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.

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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 to 15-Year in San Diego's Growing Market?

Excellent strategy if you can afford higher payments. In San Diego's 7.8% appreciation market, a 15-year mortgage accelerates equity building on both fronts: forced paydown + market gains. Refinancing $601,440 from 30-year (7%) to 15-year (6.5%) increases payments $1,238/month but builds approximately $396,950/year in principal. Add San Diego's $58,640/year appreciation, and you're gaining $455,591 annually in total equity.

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

Extremely fast in growing markets. A 15-year mortgage at 6.5% pays down approximately $396,950/year in principal on a $601,440 loan. Add San Diego's 7.8% appreciation ($58,640/year on median homes), and your equity grows $455,591 in year one alone. After 5 years: over $2,278k. After 10 years: you're halfway to owning your home outright with massive equity gains from San Diego's growth.

What Are the Monthly Costs of 15-Year Refinancing in San Diego?

Refinancing $601,440 to 15-year at 6.5% means $5,239/month P&I-$1,238 more than the 30-year payment. Add San Diego's $476/month property tax (0.76%) and $150 insurance for total PITI of $5,865. Can you afford it? Benefits justify the stretch: $497k interest savings, debt-free in 15 years, and rapid equity buildup that compounds with San Diego's 7.8% growth. You're essentially forced-saving into home equity.

Can I Eliminate PMI with a 15-Year Refi in San Diego?

Yes, and it's doubly beneficial. If you've built 20%+ equity through San Diego's 7.8% appreciation, refinancing to 15-year eliminates PMI (saving $501-$752/month) while accelerating paydown. Even if your payment increases overall, you're building equity instead of throwing money away on PMI. Plus, 15-year rates are typically 0.5% lower than 30-year, partially offsetting the payment increase. Growing markets favor this strategy: rapid appreciation got you to 20% equity, now 15-year paydown accelerates your wealth building.

How Do San Diego's Property Taxes Affect 15-Year Refi Payments?

Property taxes at 0.76% ($476/month on median homes) don't change when you refinance, but they're crucial for affordability. Your 15-year P&I is $5,239, but total PITI is $5,865. Important: as San Diego homes appreciate 7.8% annually, your assessed value may increase, gradually raising property tax over time. Budget for this-your P&I stays fixed at $5,239, but property tax could grow. Still, you'll own your home outright in 15 years with significant equity from both paydown and 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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