Real Estate Data API

94403 San Mateo

197 active listings out of 14K total properties we track in ZIP 94403 (San Mateo, CA) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

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Active
197
Median
$1.65M
+5.0%
Sold Sep
28
+75.0%
Tracked
14K

Download San Mateo 94403 property data

13,861 property records for ZIP 94403 — address, beds/baths, sqft, year built, status, list and last-sale price, price and tax history. Parquet or CSV.

Download free · as of Oct 2026

Monthly snapshot · 1.6 MB Parquet · CSV (2.4 MB)

Records keep changing after a snapshot is compiled.

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Zoomed out

While you're here, take in the bigger picture — maps below show San Francisco Bay Area metro, not just 94403. Same company, same dataset, different resolution.

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Over the past 12 months, ZIP 94403 has recorded 292 home sales. In September 2026 there were28 sales (+75.0% vs the prior month). Most recent median sale price: $1.77M.

Key Numbers
Tracked
14K
Active
197
Median list
$1.65M
Sales (12mo)
292
Get this data →

Right now, 197 homes are actively for sale in ZIP 94403. Median list price is $1.65M at $974/sqft. Hover each hex for micro-neighborhood stats (median price, $/sqft, top property type).

Key Numbers
Tracked
14K
Active
197
Median list
$1.65M
Sales (12mo)
292
Get this data →
Key Numbers
Tracked
14K
Active
197
Median list
$1.65M
Sales (12mo)
292
Get this data →
Key Numbers
Tracked
14K
Active
197
Median list
$1.65M
Sales (12mo)
292
Get this data →
Key Numbers
Tracked
14K
Active
197
Median list
$1.65M
Sales (12mo)
292
Get this data →
Key Numbers
Tracked
14K
Active
197
Median list
$1.65M
Sales (12mo)
292

Inventory breakdown

Distribution of the 197 currently-active listings in ZIP 94403. Full dataset covers 14K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 0 (0%)
$300K–$500K 6 (3.1%)
$500K–$750K 28 (14.3%)
$750K–$1M 19 (9.7%)
$1M–$2M 88 (44.9%)
$2M+ 55 (28.1%)
Active by bedroom count
Studio/1 bd 20
2 bd 63
3 bd 62
4 bd 28
5+ bd 14
Active by property type
Single Family 90 (45.7%)
Condo 69 (35%)
Townhouse 22 (11.2%)
Multi Family 16 (8.1%)
For Developers

Get San Mateo 94403 data in your app

curl
request
GET https://api.straply.com/v1/markets/zip/94403
Authorization: Bearer $STRAPLY_KEY
200 OK response
{
  "zip": "94403",
  "total_tracked": 13891,
  "active": 197,
  "median_list": 1648995
}

ZIP 94403 · San Mateo, CA real estate: market summary

As of November 2026, Straply tracks 13,891 homes in ZIP 94403 (San Mateo, CA), with 197 active for sale at a median list price of $1,648,995 (~$974/sq ft). Notably, it's a high-end market — 43% of recent sales were $1M or more.

Median list price
$1,648,995
Median $/sq ft
$974
Active listings
197
Median sale price
$1,775,000 (+5% YoY)
Properties tracked
13,891

Frequently asked: ZIP 94403 · San Mateo, CA real estate

What is the median home price in ZIP 94403?

The median list price in ZIP 94403 (San Mateo, CA) is $1,648,995 (about $974 per square foot), based on 197 active listings tracked by Straply as of November 2026.

What price range are homes in ZIP 94403?

Active listings in ZIP 94403 (San Mateo, CA) concentrate in: 45% $1m–$2m and 28% $2m+.

Are home prices in ZIP 94403 going up or down?

The median sale price is $1,775,000, up 5% year over year. Straply tracked 292 sales here over the past 12 months.

How many homes are for sale in ZIP 94403?

Straply is tracking 197 active listings in ZIP 94403 (San Mateo, CA) out of 13,891 properties on record as of November 2026.

How old are the homes in ZIP 94403?

Most homes in ZIP 94403 (San Mateo, CA) were built in the 1950s. About 20% were built after 1980, while 4% predate 1940. The newest tracked home dates to 2026.

What types of homes are in ZIP 94403?

ZIP 94403 (San Mateo, CA) is mostly single-family homes (46% of listings). Also common: condos 35%, townhouses 11%.

How many bedrooms do homes in ZIP 94403 typically have?

The most common size in ZIP 94403 (San Mateo, CA) is 2 bd.

What areas are near ZIP 94403?

Nearby markets Straply also tracks include San Mateo 94402, Belmont 94002, Foster City 94404, San Mateo 94401.

Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.