ZIP Code 94401 — San Mateo, CA Home Prices (2026)
The typical home in ZIP 94401 (San Mateo, California) is worth about $1,220,000 at roughly $818 per square foot — 33% more affordable than the San Mateo median and 315% more expensive than the typical U.S. home.
How 94401 compares
ZIP 94401 is one of the more affordable ZIP codes in San Mateo: its typical home value of $1,220,000 ranks #3 of the 3 San Mateo ZIP codes we track (the citywide range runs from $1,220,000 in 94401 to $2,469,000 in 94402). Per square foot it costs about $818, against $894 for San Mateo as a whole, $455 for California, and $195 nationally.
| Area | Typical value | $ / sq ft |
|---|---|---|
| ZIP 94401 | $1,220,000 | $818 |
| San Mateo, CA | $1,824,000 | $894 |
| California | $698,000 | $455 |
| United States | $294,000 | $195 |
Home value by size in 94401
Using this ZIP’s rate of about $818 per square foot. Condition, lot, and the exact street move these meaningfully — use the estimator below for a home-specific figure.
| Home size | Estimated value |
|---|---|
| 1,000 sq ft | $818,000 |
| 1,500 sq ft | $1,227,000 |
| 2,000 sq ft | $1,636,000 |
| 2,500 sq ft | $2,045,000 |
| 3,000 sq ft | $2,454,000 |
Salary needed to buy a home in ZIP 94401
To buy the typical $1,220,000 home in ZIP 94401 with 20% down, you need a household income of roughly $332,000 a year (about $7,740 a month for the mortgage, taxes, and insurance). With 10% down the bar rises to about $394,000, because the loan is bigger and mortgage insurance kicks in.
| Down payment | Cash down | Monthly payment | Income needed |
|---|---|---|---|
| 5% (+PMI) | $61,000 | $9,630/mo | $413,000/yr |
| 10% (+PMI) | $122,000 | $9,200/mo | $394,000/yr |
| 20% | $244,000 | $7,740/mo | $332,000/yr |
Assumes a 30-year fixed mortgage at 6.5%, property tax at 1.1% and insurance at 0.45% of value per year, PMI of 0.75% on loans with less than 20% down, and the standard 28% housing-to-income rule. Your rate, taxes, and HOA will move these — run your own numbers in the mortgage calculator.
What your budget buys in ZIP 94401
At about $818 per square foot, here is roughly how much home different budgets get you in ZIP 94401:
| Budget | Approx. size | What that looks like locally |
|---|---|---|
| $600k | 730 sq ft | below the local median — condos, smaller or older homes |
| $750k | 920 sq ft | below the local median — condos, smaller or older homes |
| $1.00M | 1220 sq ft | around the typical home here |
| $1.50M | 1830 sq ft | around the typical home here |
| $2.00M | 2440 sq ft | above the median — larger homes or the pricier ZIPs |
Wondering where that budget goes further? The relocation calculator ranks hundreds of U.S. cities by what the same money buys — it opens pre-filled with a typical 94401 home.
Estimate a specific home in 94401
The estimator below is pre-set to ZIP 94401 — pick your home’s size for an instant ballpark, then open the full calculator to adjust beds, baths, and condition.
All San Mateo ZIP codes by home value
Where 94401 sits among San Mateo’s 3 ZIP codes:
| # | ZIP code | Typical value | $ / sq ft |
|---|---|---|---|
| 1 | 94402 | $2,469,000 | $976 |
| 2 | 94403 | $1,824,000 | $894 |
| 3 | 94401 (this page) | $1,220,000 | $818 |
ZIP 94401 home prices: frequently asked
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See the full San Mateo home values page, all California cities, or price per square foot by ZIP code nationwide.
Directional estimates from public market data (Realtor.com & Zillow research), not appraisals. A single ZIP contains very different homes; actual values vary and change over time.