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Foster

A city of 32,792 people in California
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Around town

The places and views that make it Foster

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Outdoors in Foster

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Map of Foster: conserved land, trails and the top places to walk
Conserved land1.8%222 of 12,637 acres
Trails9.0 mi0.5 mi per sq mi
Parks & preserves257 conserved acres per 1,000 residents

Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

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Know Foster

The town at a glance, and the guide to how things work

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About Foster

City in California, United States
1971Established
33,805Population
19.8 sq miArea
7 ftElevation

Foster City is a master-planned city located in San Mateo County, California, United States. Foster City is sometimes considered to be part of Silicon Valley for its local industry and its proximity to Silicon Valley cities. There are many notable companies headquartered in Foster City, such as Gilead Sciences, Zoox, and Replit. Visa and Sledgehammer Games were formerly headquartered in Foster City. The 2020 census put the population at 33,805, an increase of more than 10% over the 2010 census figure of 30,567. Foster City contains at least 10 bridges of which seven cross its lagoon, two go across Highway 92 and one is the San Mateo-Hayward Bridge which crosses the San Francisco Bay. Foster…

Official town website ↗

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Living in Foster

Housing in Foster

$1.84M▲ 1.3% in a year Typical home value · Zillow

The typical Foster home is worth about $1,835,000, up 1.3% in a year, 140% above the California typical home.

A strong seller's market

Buyer’sBalancedSeller’s
Days on market15
Sale-to-list102.9%
Sold in May24
Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in Foster

B+

Safety Grade B+

Foster reports less crime per resident than 74% of the U.S. towns and cities we grade.

Violent crime per 1,000
Foster 0.7
California 4.3
U.S. 3.3
Property crime per 1,000
Foster 7.6
California 18.2
U.S. 15.5
FBI crime data, 2025 · crimes reported to policeCrime & safety →

Schools in Foster

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A−

School Grade A-

The public schools Foster’s kids attend, from kindergarten through graduation, outperform 81% of California’s districts on state tests and graduation. Among towns with similar incomes, they sit near the middle.

#19Best public schoolsof 574 in CA
DistrictSan Mateo-Foster CitySchools8

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within CA. Ratings are from neighbors.

Famous people from FosterWriters, athletes, leaders and more who were born in Foster.Meet them →

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Foster

California · CA
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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01