Mortgage Rates in Foster City, CaliforniaApril 2026

Updated April 2026 | Based on Foster City market data and regional lending conditions

30-Year Fixed
6.83%
15-Year Fixed
6.05%
Median Home Price
$781,000
Est. Monthly Payment
$4,568

Foster City is a smaller California community of 33,901 where the housing market reflects local economic conditions. The current 30-year fixed rate here is 6.83% (0.74% above the national average). The median home price of $781,000 translates to roughly $4,568/month with 20% down — requiring an income of about $195,771, which exceeds the local median of $82,500.

Whether you call it a 30-year mortgage, 30-year home loan, 30-year house loan, or 30-year mortgage loan, the underlying product is the same: a fixed-rate amortizing loan paid over 360 months. In Foster City, CA, the current 30-year rate is 6.83%. Shorter terms (15-year fixed at 6.05% or 20-year fixed, typically priced between the 15- and 30-year) reduce total interest paid but increase monthly payments — see our 15-year vs 30-year comparison for the math. Government-backed options include FHA loans (6.54%) and VA loans (6.29%), often available at lower rates with reduced down payment requirements.

Current Mortgage Rates in Foster City, CA

Below are the current average mortgage rates available in the Foster City area as of April 2026. Rates vary by lender, credit score, and loan-to-value ratio. Use our free calculator above to see your personalized estimate.

Loan TypeRateNational AvgDifference
30-Year Fixed6.83%6.09%+0.74%
15-Year Fixed6.05%5.58%+0.47%
5/1 ARM6.3%5.95%+0.35%
FHA6.54%5.85%+0.69%
VA6.29%5.65%+0.64%
Jumbo7.08%6.25%+0.83%

Foster City Housing Market Overview

Foster City's housing market is competitive — median prices of $781,000 put it well above the national median of ~$400,000. Buyers here face higher barriers to entry, but the local economy (median household income: $82,500) may not fully support current asking prices.

Population
33,901
Median Income
$82,500
Property Tax Rate
0.74%
Cost of Living
153.1
Down Payment (20%)
$156,200
Income Needed
$195,771

Monthly Payment Breakdown for Foster City

Based on the median home price of $781,000 with 20% down ($156,200), here is what you can expect to pay monthly in Foster City:

Principal & Interest (30-yr at 6.83%)$4,086
Property Tax$482
Estimated Insurance$195
Total Estimated Monthly$4,763

15-Year vs. 30-Year Mortgage in Foster City

Choosing a 15-year mortgage in Foster City at 6.05% instead of a 30-year at 6.83% would save you $518,940 in total interest over the life of the loan. However, your monthly payment would be $5,289 instead of $4,086 — an increase of $1,203 per month.

Calculate Your Foster City Mortgage Payment

Use our free calculator to get a personalized estimate based on your loan amount, interest rate, and term.

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Frequently Asked Questions About Mortgages in Foster City

What are the current mortgage rates in Foster City, CA?

As of April 2026, the average 30-year fixed mortgage rate in Foster City, California is 6.83%, while the 15-year fixed rate is 6.05%. FHA loans average 6.54% and VA loans 6.29%. These rates are 0.74% above the national average of 6.09%.

How much is a monthly mortgage payment in Foster City?

Based on the median home price of $781,000 with 20% down, the estimated monthly mortgage payment in Foster City is $4,086 for principal and interest. Including property taxes of $482/month, the total monthly housing cost is approximately $4,568.

What income do I need to buy a home in Foster City?

Using the 28% rule, you would need an annual income of approximately $195,771 to afford the median-priced home in Foster City at $781,000. The median household income in Foster City is $82,500. This means most households would need to either earn above the median or consider homes below $781,000.

Is Foster City a good place to buy a home in 2026?

Foster City has a higher cost of living than average with a cost of living index of 153.1 (national average = 100). The property tax rate in California is 0.74%, which is below the national average. Foster City has a population of 33,901 and offers a balanced lifestyle.

Mortgage Rates in Other California Cities

Los Angeles, CA
6.55% | $1,000,000
San Diego, CA
6.55% | $875,000
San Jose, CA
6.55% | $1,350,000
San Francisco, CA
6.55% | $1,250,000
Fresno, CA
6.55% | $365,000

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📊 Sources & Methodology

  • 30-yr/15-yr fixed rates: Freddie Mac Primary Mortgage Market Survey (PMMS), weekly national average adjusted for California regional spread.
  • Median home price: $781,000 sourced from Redfin / Zillow real estate listings (2026 data).
  • Property tax rate: 0.74% effective rate per Tax Foundation 2026 state property tax data.
  • Median household income: $82,500 per US Census Bureau ACS 5-year estimate.
  • Calculations: standard amortization formula M = P[r(1+r)^n] / [(1+r)^n − 1], with r = monthly rate, n = 360 months, P = loan amount (80% of home price).

Last updated: April 2026. Rates are approximate averages based on regional lending data for the Foster City, California area. Individual rates may vary by lender, credit score, loan amount, and other factors. Use our free calculator for a personalized estimate.