Home ValuePros

Market Intelligence · CA / Alameda County

Castro Valley, CA housing market

2 ZIP markets liveData updated August 2026Typical value$1.19M1-yr changeUp0.6%

The median home value in Castro Valley, CA is $1.19M as of August 2026, up 0.6% 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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The coverage

Castro Valley, by the numbers.

Typical home valueZillow ZHVI, August 2026
$1.19M
1-yr changeMedian across Castro Valley ZIPs
+0.6%
ZIP markets live
2
County
Alameda County

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12-month value trend

+0.6% over 12 months

Typical home value in Castro Valley over the last 12 months: $1.18M in Aug 2025 to $1.19M in Aug 2026 (+0.6%).

Aug 2025$1.18M

Aug 2026$1.19M

Median Zillow home value index across Castro Valley's ZIP codes.

Context

Zillow's home value index puts the typical Castro Valley home at $1,188,839 as of August 2026, a 12-month move of +0.6%. Turning to what is for sale, Realtor.com counts 53 homes on the market, 36 newly listed, and a median asking price of $1,261,000 as of August 2026. Listings sit a median 36 days before selling, with 5.1% of active homes cutting their price. Taken together, the numbers describe a steady market: values are holding their gains while buyers have room to negotiate on individual listings.

The numbers

What is the housing market like in Castro Valley, CA?

Typical home value

$1.19M

Up0.6%YoY

Median list price

$1.26M

Days on market

36

Homes for sale

53

Price cuts

5.1%

New listings

36

Sources · Zillow ZHVI (August 2026) / Realtor.com (August 2026)

Figures reflect Castro Valley's ZIP codes with market data: values and listing medians take the median across ZIPs; inventory and new listings are summed.

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Live markets

What ZIP codes are live in Castro Valley?

Typical value is the Zillow home value index (ZHVI) for each ZIP, as of August 2026. 1-yr change compares it to the same ZIP a year earlier.

Zillow ZHVI, August 2026

Local pros

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Top real estate agents in Castro Valley, CA

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Nearby markets

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