Real Estate Data API

Foster City CA

98 active listings out of 9.8K total properties we track across 2 Foster City ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
98
Median
$1.42M
-16.7%
Sold Sep
14
-22.2%
Tracked
9.8K

Download Foster City, CA property data

12,505,422 property records for all of California — address, beds/baths, sqft, year built, status, list and last-sale price, price and tax history. Parquet or CSV.

Files are published by ZIP, county and state; this city is inside the state file.

Download free · as of Oct 2026

Monthly snapshot · 1.4 GB Parquet · CSV (2.2 GB)

Records keep changing after a snapshot is compiled.

Download today's build · subscribers

Rebuilt every day · same columns, same file layout

Zoomed out

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

Get this data →
Get this data →
Get this data →
Get this data →
Get this data →
Get this data →

Inventory breakdown

Distribution of the 98 currently-active listings in Foster City, CA. Full dataset covers 9.8K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 0 (0%)
$300K–$500K 0 (0%)
$500K–$750K 12 (12.5%)
$750K–$1M 14 (14.6%)
$1M–$2M 51 (53.1%)
$2M+ 19 (19.8%)
Active by bedroom count
Studio/1 bd 6
2 bd 38
3 bd 27
4 bd 24
5+ bd 3
Active by property type
Condo 45 (45.9%)
Single Family 34 (34.7%)
Townhouse 18 (18.4%)
Other 1 (1%)

ZIP codes in Foster City

Drill into any ZIP for hex-level breakdowns.

For Developers

Get Foster City, CA data in your app

curl
request
GET https://api.straply.com/v1/markets/city/foster-city-ca
Authorization: Bearer $STRAPLY_KEY
200 OK response
{
  "city": "foster-city-ca",
  "total_tracked": 9783,
  "active": 98,
  "median_list": 1424000
}

Foster City, CA real estate: market summary

As of November 2026, Straply tracks 9,783 homes in Foster City, CA, with 98 active for sale at a median list price of $1,424,000 (~$891/sq ft). Notably, the market is cooling — the median sale price is down 17% year over year.

Median list price
$1,424,000
Median $/sq ft
$891
Active listings
98
Median sale price
$1,228,000 (-17% YoY)
Properties tracked
9,783

Frequently asked: Foster City, CA real estate

What is the median home price in Foster City?

The median list price in Foster City, CA is $1,424,000 (about $891 per square foot), based on 98 active listings tracked by Straply as of November 2026.

What price range are homes in Foster City?

Active listings in Foster City, CA concentrate in: 53% $1m–$2m and 20% $2m+.

Are home prices in Foster City going up or down?

The median sale price is $1,228,000, down 17% year over year. Straply tracked 192 sales here over the past 12 months.

How many homes are for sale in Foster City?

Straply is tracking 98 active listings in Foster City, CA out of 9,783 properties on record as of November 2026.

How old are the homes in Foster City?

Most homes in Foster City, CA were built in the 1970s. About 25% were built after 1980. The newest tracked home dates to 2024.

What types of homes are in Foster City?

Foster City, CA is mostly condos (46% of listings). Also common: single-family homes 35%, townhouses 18%.

How many bedrooms do homes in Foster City typically have?

The most common size in Foster City, CA is 2 bd.

What are the most active ZIP codes in Foster City?

The ZIP codes with the most active listings in Foster City, CA are 94404, 94401.

What areas are near Foster City?

Nearby markets Straply also tracks include San Mateo, Belmont, San Carlos, Hillsborough.

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