15-Year Fixed Mortgage Refinance Interest Rates in San Francisco, CA
Explore 15-year fixed mortgage refinance rates in San Francisco, CA over time.
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Timeframe
Daily refinance averages provided by the Mortgage Research Center.
Compare mortgage rates in San Francisco, California
Showing results for: 15-Year Fixed refinance offers for Single Family or Townhome properties in CA, total loan amount of $228,000.
| Lender | APR / Rate | Monthly Payment | |
|---|---|---|---|
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 San Francisco at today's rates
The median home in San Francisco costs about $425,000. Refinancing a typical balance of $340,000 (80% of that value) at today's average 15-year fixed rate in California of 5.70% works out to roughly $2,814/month in principal and interest, with $166,476 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 $8,500 (2.5% of the loan):
| Rate | Monthly P&I | Monthly savings | Break-even |
|---|---|---|---|
| 5.70% (today) | $2,814 | — | — |
| 5.45% (−0.25%) | $2,769 | $45/mo | 189 months |
| 5.20% (−0.50%) | $2,724 | $90/mo | 95 months |
| 4.95% (−0.75%) | $2,679 | $135/mo | 63 months |
| 4.70% (−1.00%) | $2,635 | $179/mo | 48 months |
Estimates use principal and interest only and today's average California rate; they exclude taxes, insurance, and rate differences from credit score or loan size.
Weighing the term itself? At today's California average 30-year fixed rate of 6.59%, the same $340,000 balance costs $2,169/month over 30 years — $645/month less than the 15-year fixed option, at the cost of $274,515 more interest over the life of the loan.
Should I Refinance to 15-Year in San Francisco's Growing Market?
Excellent strategy if you can afford higher payments. In San Francisco's 7.8% appreciation market, a 15-year mortgage accelerates equity building on both fronts: forced paydown + market gains. Refinancing $340,000 from 30-year (7%) to 15-year (6.5%) increases payments $700/month but builds approximately $224,400/year in principal. Add San Francisco's $33,150/year appreciation, and you're gaining $257,550 annually in total equity.
How Fast Can I Build Equity with 15-Year Refi in San Francisco?
Extremely fast in growing markets. A 15-year mortgage at 6.5% pays down approximately $224,400/year in principal on a $340,000 loan. Add San Francisco's 7.8% appreciation ($33,150/year on median homes), and your equity grows $257,550 in year one alone. After 5 years: over $1,288k. After 10 years: you're halfway to owning your home outright with massive equity gains from San Francisco's growth.
What Are the Monthly Costs of 15-Year Refinancing in San Francisco?
Refinancing $340,000 to 15-year at 6.5% means $2,962/month P&I-$700 more than the 30-year payment. Add San Francisco's $269/month property tax (0.76%) and $150 insurance for total PITI of $3,381. Can you afford it? Benefits justify the stretch: $281k interest savings, debt-free in 15 years, and rapid equity buildup that compounds with San Francisco's 7.8% growth. You're essentially forced-saving into home equity.
Can I Eliminate PMI with a 15-Year Refi in San Francisco?
Yes, and it's doubly beneficial. If you've built 20%+ equity through San Francisco's 7.8% appreciation, refinancing to 15-year eliminates PMI (saving $283-$425/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 Francisco's Property Taxes Affect 15-Year Refi Payments?
Property taxes at 0.76% ($269/month on median homes) don't change when you refinance, but they're crucial for affordability. Your 15-year P&I is $2,962, but total PITI is $3,381. Important: as San Francisco 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 $2,962, 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 Francisco
Refinancing relies heavily on your Loan-to-Value (LTV) ratio.
With your home value growing 9.8%, you are steadily building equity. When your LTV dips under 80%, refinancing from an FHA loan into a standard Conventional loan is one of the smartest moves you can make to eliminate monthly mortgage insurance.
Property Tax Tip for San Francisco Homeowners
A cash-out refinance is incredibly popular in stable, low-tax-rate markets like this. You can use your built-up equity to pay off high-interest credit cards, rolling that debt into your much lower-interest mortgage.
Hero & Housing Programs for San Francisco
The CalHFA offers great resources right in your backyard. Be sure to ask your lender about state-backed advantages that can lower your effective interest rate or provide ADU grants.
How San Francisco compares across California
Median home prices vary widely across California, 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 5.70%:
| City | Median home price | Est. monthly P&I | vs. San Francisco |
|---|---|---|---|
| San Francisco | $425,000 | $2,814 | — |
| Santa Maria | $434,300 | $2,875 | +$61/mo |
| Riverside | $439,900 | $2,912 | +$98/mo |
| Los Angeles | $487,800 | $3,230 | +$416/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.