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Safe Rate LocalSan Mateo-Foster index·Updated August 19, 2026

Jumbo Mortgage Rates in San Mateo-Foster

6.792%Rate
6.817%APR
$7,876monthly mortgage payment
$0points (0 pts)
Loan Amount $1,209,138; and Downpayment $302,285
Local Fast Facts
CA34920
Typical Home Value
$1,511,423
YoY Appreciation
+1.5%
Area Median Income
$177,722
Estimated Property Taxes
$9,366/yr
Est. Property Tax Rate
0.62%
Conforming Loan Limit (1-unit)
$806,501
FHA Loan Limit (1-unit)
$1,209,750
Jumbo Threshold (1-unit)
> $806,501
Average Loan to Value
61.9%

Select your Scenario

20% Down

6.792%

30-year fixed

Payment$7,876/mo
Down$302,285
Loan$1,209,138

30% Down

6.792%

Stronger reserves

Payment$6,892/mo
Down$453,427
Loan$1,057,996

15-Year Jumbo

6.792%

Faster payoff

Payment$10,728/mo
Down$302,285
Loan$1,209,138

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Jumbo Loan Details for San Mateo-Foster

Non-conforming loans above $1,249,125 · Stricter guidelines apply
ℹ️
Jumbo loans are not government-backed
Each lender sets their own guidelines. Rates, reserve requirements, and max LTV vary significantly between lenders — comparison shopping is especially important for jumbo borrowers.
Starts Above
$1,249,125
2025 conforming limit
Min. Credit Score
720–740+
720 min · 740+ for best pricing
Min. Down Payment
10–20%
20%+ for best rates
Cash Reserves
$151,000+
Post-closing PITI est.
Jumbo vs. Conforming Rate
Conventional 30-yr (conforming)7.057%
Jumbo 30-yr6.792%
Rate spread-0.265%
  • DTI: typically capped at 43–45%, stricter than conforming
  • Full asset documentation required — bank statements, investment accounts, retirement funds
  • Some lenders offer "bank statement" jumbo for self-employed borrowers
  • Interest-only jumbo options available from some portfolio lenders

Frequently Asked Questions

What are current jumbo rates today in San Mateo-Foster, CA?

Today's leading benchmark rate for jumbo rates in San Mateo-Foster, CA is 7.057% (with an estimated monthly payment of $5,739). Calibrated directly to San Mateo-Foster, CA's local housing market, Safe Rate shows up-to-the-minute interest rates and points across Conventional, FHA, VA, and Jumbo loan programs daily.

What is the recent trend for jumbo rates in San Mateo-Foster, CA?

Mortgage rates for jumbo rates have shown typical daily fluctuations driven by inflation data and bond yields. Over the past 90 days, rates for jumbo rates in San Mateo-Foster, CA have hovered between a low of 6.915% and a high of 7.171%. You can track these daily movements by using the 90-day rate history and trajectory chart featured on this page.

Is an FHA or Conventional loan more cost-effective in San Mateo-Foster, CA?

Choosing between FHA and Conventional depends on your down payment budget and credit score. For a typical home priced at $1,511,423 in San Mateo-Foster, CA, a standard 20%-down Conventional loan requires an upfront cash down payment of $302,285 but keeps your monthly payment lower at $5,739/mo (at 7.057% interest) with no monthly PMI. In comparison, an FHA loan requires only $52,900 (3.5% down) but has an estimated payment of $6,288/mo (at 5.966% interest) due to mandatory FHA mortgage insurance (MIP). Local Nuance: The typical local FHA loan amount of $1,458,523 exceeds the local HUD FHA limit of $1,209,750 for a 1-unit property, meaning entry-level buyers here will likely require conventional financing or a larger down payment to comply with government limits.

What is the maximum conforming loan limit in San Mateo-Foster before needing a Jumbo loan?

The 2025 conforming conventional loan limit for a 1-unit property in San Mateo-Foster is $806,501. With a typical local home value of $1,511,423 in , a standard 20%-down mortgage requires a loan size of $1,209,138. Since this exceeds the conforming limit of $806,501, most typical transactions in require a non-conforming Jumbo loan, which demands stricter underwriting guidelines, higher credit scores, and larger asset reserves.

How does the median home value in San Mateo-Foster, CA impact estimated mortgage payments?

The median home value in San Mateo-Foster, CA is estimated at $1,511,423. Buying a typical home here with a standard 20% down payment ($302,285) translates to an estimated starting monthly mortgage payment of $5,739 (principal and interest). Compared to the local area median household income of $177,722 ($14,810/mo), this basic housing payment represents approximately 38.8% of gross monthly household income. Because this housing cost exceeds the standard 36% lender DTI guideline, buyers in this high-value area may need larger down payments, lower debt balances, or co-borrower income to qualify.