Market Intelligence · CA / Alameda County
Castro Valley, CA housing market
The median home value in Castro Valley, CA is $1.22M as of June 2026, down 1.5% year over year, according to Zillow ZHVI. Get your own home's value and a real cash offer in about two minutes, with sources shown and no obligation.
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Castro Valley, by the numbers.
- Typical home valueZillow ZHVI, June 2026
- $1.22M
- 1-yr changeMedian across Castro Valley ZIPs
- -1.5%
- ZIP markets live
- 2
- County
- Alameda County
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12-month value trend
-1.5% over 12 months
Jun 2025$1.24M
Low $1.21MHigh $1.24M
Jun 2026$1.22M
Median Zillow home value index across Castro Valley's ZIP codes.