Real Estate Data API

94403 San Mateo

103 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
103
Median
$1.75M
±0%
Sales (12mo)
351
Tracked
14K
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 351 home sales.

Key Numbers
Tracked
14K
Active
103
Median list
$1.75M
Sales (12mo)
351
Get this data →

Right now, 103 homes are actively for sale in ZIP 94403. Median list price is $1.75M at $956/sqft. Hover each hex for micro-neighborhood stats (median price, $/sqft, top property type).

Key Numbers
Tracked
14K
Active
103
Median list
$1.75M
Sales (12mo)
351
Get this data →
Key Numbers
Tracked
14K
Active
103
Median list
$1.75M
Sales (12mo)
351
Get this data →
Key Numbers
Tracked
14K
Active
103
Median list
$1.75M
Sales (12mo)
351
Get this data →
Key Numbers
Tracked
14K
Active
103
Median list
$1.75M
Sales (12mo)
351
Get this data →
Key Numbers
Tracked
14K
Active
103
Median list
$1.75M
Sales (12mo)
351

Inventory breakdown

Distribution of the 103 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 0 (0%)
$500K–$750K 17 (16.5%)
$750K–$1M 9 (8.7%)
$1M–$2M 45 (43.7%)
$2M+ 32 (31.1%)
Active by bedroom count
Studio/1 bd 8
2 bd 30
3 bd 37
4 bd 17
5+ bd 6
Active by property type
Single Family 47 (45.6%)
Condo 38 (36.9%)
Multi Family 11 (10.7%)
Townhouse 7 (6.8%)
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": 13668,
  "active": 103,
  "median_list": 1748000
}
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ZIP 94403 · San Mateo, CA real estate: market summary

As of June 2026, Straply tracks 13,668 homes in ZIP 94403 (San Mateo, CA), with 103 active for sale at a median list price of $1,748,000 (~$956/sq ft). Notably, it's a high-end market — 42% of recent sales were $1M or more.

Median list price
$1,748,000
Median $/sq ft
$956
Active listings
103
Properties tracked
13,668

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 $1,748,000 (about $956 per square foot), based on 103 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 94403?

Active listings in ZIP 94403 (San Mateo, CA) concentrate in: 44% $1m–$2m and 31% $2m+.

How many homes are for sale in ZIP 94403?

Straply is tracking 103 active listings in ZIP 94403 (San Mateo, CA) out of 13,668 properties on record as of June 2026.

How old are the homes in ZIP 94403?

Most homes in ZIP 94403 (San Mateo, CA) were built in the 1950s. About 19% 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 37%, multi-family homes 11%.

How many bedrooms do homes in ZIP 94403 typically have?

The most common size in ZIP 94403 (San Mateo, CA) is 3 bd.

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