Foster City, CA Rent History
109 months of data, 2017–2026. Source: ZORI (Zillow Observed Rent Index, smoothed seasonally adjusted).
Today (2026-09)
$4,450
1-year change
+12.1%
$481/mo
5-year change
+32.7%
$1,097/mo
Monthly rent trend
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Year-by-year rent in Foster City
| Year | Median rent | YoY change | vs 2017 |
|---|---|---|---|
| 2017 | $3,209/mo | — | 0.0% |
| 2018 | $3,212/mo | +0.1% | +0.1% |
| 2019 | $3,374/mo | +5.0% | +5.1% |
| 2020 | $3,442/mo | +2.0% | +7.3% |
| 2021 | $3,100/mo | -9.9% | -3.4% |
| 2022 | $3,590/mo | +15.8% | +11.9% |
| 2023 | $3,633/mo | +1.2% | +13.2% |
| 2024 | $3,738/mo | +2.9% | +16.5% |
| 2025 | $3,882/mo | +3.9% | +21.0% |
| 2026 | $4,146/mo | +6.8% | +29.2% |
Frequently asked questions
How much has rent in Foster City changed since 2017?
Median rent in Foster City, CA was $3,209 in 2017-09 and is $4,450 as of 2026-09 — a change of $1,241 per month over 9 years.
How much has Foster City rent increased in the last 5 years?
Over the past 5 years, median rent in Foster City, CA has changed +32.7% ($1,097 per month). The current median is $4,450.
Is rent in Foster City going up or down year over year?
Year over year, median rent in Foster City, CA has increased +12.1% ($481/mo). Current median: $4,450.