Castro Valley, CA Housing Market
Median List Price
$1,149,000
Updated August 2026
Today, Castro Valley has 44 homes for sale at a median list price of $1,149,000, typically selling in about 37 days.
Castro Valley Market Analysis
The median list price in Castro Valley, CA is $1.1M. Current inventory stands at 44 active listings. 19 new listings came on the market in the last 30 days.
Expect a median around $499,000 for two bedroom homes and $1.5M at the five bedroom end. Single family homes lead the mix at 70.5%. February to July saw the median price go from $1.2M to $1.2M, up about 6.3%. On a per square foot basis, the median runs $636.
Homes here typically go under contract in about 13 days. At that pace, well priced homes attract offers quickly, so buyers should be ready to move. Addresses here fall across the 94546, 94552, and 94578 ZIP codes.
Castro Valley Rental Market
The median asking rent in Castro Valley, CA is $2,785. Current inventory stands at 6 active rental listings. February to July saw the median rent go from $3,300 to $4,700, up about 42.4%.
Castro Valley Market Pulse
Topfind Market Read
Sellers hold the edge right now. There is only 1.6 months of supply, and sales volume is up 64% versus six months ago. At the same time, 36% of sellers have trimmed their asking price, so the market is not running away from buyers. Sellers have the stronger hand, though prepared buyers can still negotiate on the right home.
Median Home Price
$1.15M
↑ 3% over the past yearChart shows the median closed sale price by month
Months of Supply
Estimated time to sell all listings at the current sales pace
1.6 months of supply
Tight Supply44 active listings against the current sales pace works out to about 1.6 months of supply.
What this means for buyers
Inventory is tight relative to how many homes sell each month, so buyers have fewer options and well-priced homes draw competition. Listings typically sell in ~37 days.
Sales Velocity
How fast homes are selling
Homes are selling at a steady pace, so buyers have some time, though competition still exists. Homes are moving 22% faster than six months ago.
Inventory Distribution
A solid share of current listings is under 30 days old, while a meaningful share has been up longer.
About 59% of current listings are under 30 days old, while the rest have been up longer.
Housing Tenure in Castro Valley
Homeownership is significantly higher than average, making this a homeowner-dominated market with more long-term residents.
71%
Homeowners
29%
Renters
Homeownership is 15.5 points higher than the California average (55.5%)
22,242 households (2023)
Median Price by Bedroom
Home prices generally rise with bedroom count, though not every step adds value.
Each additional bedroom adds about $139K in value on average, with larger homes seeing bigger price jumps.
Largest increase: 2 → 3 bedrooms (+$474K)
Price Reductions
16 listings have reduced their price
36% of active listings
Average reduction: 6.9% (~$79K)
Browse Castro Valley Listings
Frequently Asked Questions about the Castro Valley, CA Housing Market
What is the median home price in Castro Valley, CA?
The median list price in Castro Valley is $1,149,000 as of August 2026, based on 44 active listings.
Is Castro Valley a buyer's market or a seller's market?
Castro Valley currently reads as a seller's market. Active inventory works out to about 1.6 months of supply at the recent sales pace.
How fast do homes sell in Castro Valley?
Homes that closed in the last 90 days typically went under contract in about 13 days. The average home currently for sale has been on the market for 37 days.
Are home prices in Castro Valley going up or down?
The median sale price in Castro Valley is up about 2.6% compared with a year ago.
How many homes are for sale in Castro Valley, CA?
There are 44 homes for sale in Castro Valley right now, including 5 listed within the last week.
What is the median rent in Castro Valley?
The median asking rent in Castro Valley is $2,785 per month, across 6 active rental listings.