Mortgage Rates in South San Francisco, California — March 2026
Updated March 2026 | Based on South San Francisco market data and regional lending conditions
South San Francisco is a growing city in California with a population of 67,789. The current 30-year fixed mortgage rate in South San Francisco is 6.7%, which is 0.05% above the national average. With a median home price of $851,000 and a 20% down payment of $170,200, homebuyers can expect a monthly principal and interest payment of approximately $4,393.
Current Mortgage Rates in South San Francisco, CA
Below are the current average mortgage rates available in the South San Francisco area as of March 2026. Rates vary by lender, credit score, and loan-to-value ratio. Use our free calculator above to see your personalized estimate.
| Loan Type | Rate | National Avg | Difference |
|---|---|---|---|
| 30-Year Fixed | 6.7% | 6.65% | +0.05% |
| 15-Year Fixed | 5.95% | 5.89% | +0.06% |
| 5/1 ARM | 6.22% | 6.15% | +0.07% |
| FHA | 6.48% | 6.25% | +0.23% |
| VA | 6.23% | 6.05% | +0.18% |
| Jumbo | 6.95% | 6.85% | +0.1% |
South San Francisco Housing Market Overview
The South San Francisco housing market is competitive with prices well above the national median. The median household income in South San Francisco is $77,700, and the cost of living index is 156.4 (national average = 100). Based on the 28% affordability rule, you would need an income of approximately $211,071 to comfortably afford the median-priced home in South San Francisco, which exceeds the current median household income.
Monthly Payment Breakdown for South San Francisco
Based on the median home price of $851,000 with 20% down ($170,200), here is what you can expect to pay monthly in South San Francisco:
15-Year vs. 30-Year Mortgage in South San Francisco
Choosing a 15-year mortgage in South San Francisco at 5.95% instead of a 30-year at 6.7% would save you $550,620 in total interest over the life of the loan. However, your monthly payment would be $5,727 instead of $4,393 — an increase of $1,334 per month.
Calculate Your South San Francisco Mortgage Payment
Use our free calculator to get a personalized estimate based on your loan amount, interest rate, and term.
Open Free CalculatorFrequently Asked Questions About Mortgages in South San Francisco
What are the current mortgage rates in South San Francisco, CA?
As of March 2026, the average 30-year fixed mortgage rate in South San Francisco, California is 6.7%, while the 15-year fixed rate is 5.95%. FHA loans average 6.48% and VA loans 6.23%. These rates are 0.05% above the national average of 6.65%.
How much is a monthly mortgage payment in South San Francisco?
Based on the median home price of $851,000 with 20% down, the estimated monthly mortgage payment in South San Francisco is $4,393 for principal and interest. Including property taxes of $532/month, the total monthly housing cost is approximately $4,925.
What income do I need to buy a home in South San Francisco?
Using the 28% rule, you would need an annual income of approximately $211,071 to afford the median-priced home in South San Francisco at $851,000. The median household income in South San Francisco is $77,700. This means most households would need to either earn above the median or consider homes below $851,000.
Is South San Francisco a good place to buy a home in 2026?
South San Francisco has a higher cost of living than average with a cost of living index of 156.4 (national average = 100). The property tax rate in California is 0.75%, which is below the national average. South San Francisco has a population of 67,789 and offers a balanced lifestyle.
Mortgage Rates in Other California Cities
Related Tools & Guides
Last updated: March 2026. Rates are approximate averages based on regional lending data for the South San Francisco, California area. Individual rates may vary by lender, credit score, loan amount, and other factors. Use our free calculator for a personalized estimate.