30-Year Fixed Mortgage Rates in ZIP Code 94403

Today's leading benchmark rate for 30-year fixed rates in 94403, San Mateo, CA is 7.012% (with an estimated monthly payment of $6,207). Calibrated directly to 94403, San Mateo, 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.

Mortgage rates for 30-year fixed rates have shown typical daily fluctuations driven by inflation data and bond yields. Over the past 90 days, rates for 30-year fixed rates in 94403, San Mateo, CA have hovered between a low of 6.907% and a high of 7.162%. You can track these daily movements by using the 90-day rate history and trajectory chart featured on this page.

Choosing between FHA and Conventional depends on your down payment budget and credit score. For a typical home priced at $1,592,152 in 94403, San Mateo, CA, a standard 20%-down Conventional loan requires an upfront cash down payment of $318,430 but keeps your monthly payment lower at $6,207/mo (at 7.012% interest) with no monthly PMI. In comparison, an FHA loan requires only $55,725 (3.5% down) but has an estimated payment of $6,800/mo (at 5.923% interest) due to mandatory FHA mortgage insurance (MIP). Local Nuance: The typical local FHA loan amount of $1,536,427 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.

The 2025 conforming conventional loan limit for a 1-unit property in 94403 is $806,501. With a typical local home value of $1,592,152 in San Mateo, a standard 20%-down mortgage requires a loan size of $1,273,722. Since this exceeds the conforming limit of $806,501, most typical transactions in San Mateo require a non-conforming Jumbo loan, which demands stricter underwriting guidelines, higher credit scores, and larger asset reserves.

The median home value in 94403, San Mateo, CA is estimated at $1,592,152. Buying a typical home here with a standard 20% down payment ($318,430) translates to an estimated starting monthly mortgage payment of $6,207 (principal and interest). Compared to the local area median household income of $187,384 ($15,615/mo), this basic housing payment represents approximately 39.7% 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.