Castro Valley Housing Market Report – June 2026
Here's a look at how the Castro Valley, CA real estate market performed in June 2026, based on actual sold data from the MLS.
Market Snapshot
- Homes Sold: 40
- Median Sale Price: $1,167,500
- Average Sale Price: $1,148,275
- Average Price Per Sq Ft: $729
- Average Days on Market: 47
- Sale-to-List Price Ratio: 104.5%
Month-Over-Month Trends
Compared to May, the median sale price in Castro Valley moved 8.1% down (from $1,270,000 to $1,167,500). The number of homes sold was 7.0% down compared to the prior month (43 vs. 40). Average days on market shifted 6.8% up (44 days to 47 days).
Year-Over-Year Comparison
Compared to June 2025, the median sale price is 7.3% down (from $1,260,000 to $1,167,500). Sales volume is 25.9% down year-over-year.
What This Means
Castro Valley's housing market is showing signs of cooling as we head into summer 2026. The median sale price dipped 8.1% month-over-month to $1,167,500, continuing a downward trend that's also visible year-over-year with a 7.3% decline. While homes are still selling above asking price—the 104.5% sale-to-list ratio indicates underlying buyer demand—properties are taking longer to move. Average days on market climbed to 47 days from 44 the previous month, suggesting buyers have more negotiating power than they did earlier in the year. This slowdown likely reflects the broader California market dynamics, where higher interest rates and stretched affordability are making buyers more cautious.
The inventory situation tells an interesting story. With 84 active listings on the market and many sitting for an average of 66 days, there's considerably more supply available than the 40 homes that sold this month. Notably, sellers' asking prices ($1,064,000 median) sit notably below what recent sales have actually closed at, which may indicate some disconnect between expectations and market reality. For Castro Valley buyers and sellers, this represents a more balanced market than the seller-favorable conditions of previous years—not a buyer's market yet, but definitely less frenetic. Single-family homes dominate sales, making up 75% of closings and likely driving the overall price trends.
Castro Valley Sales by Zip Code
| Zip Code | Homes Sold | Median Price | Avg $/SqFt | Avg DOM |
|---|---|---|---|---|
| 94546 | 29 | $982,000 | $709 | 48 |
| 94552 | 9 | $1,650,000 | $800 | 45 |
| 94542 | 1 | $1,685,000 | $815 | 48 |
| 94578 | 1 | $590,000 | $569 | 23 |
Sales by Property Type
| Property Type | Homes Sold | Median Price | Avg $/SqFt |
|---|---|---|---|
| SINGLE_FAMILY | 30 | $1,235,000 | $785 |
| TOWNHOMES | 4 | $742,000 | $633 |
| CONDOS | 3 | $390,000 | $410 |
| MULTI_FAMILY | 2 | $1,161,000 | $539 |
| APARTMENT | 1 | $1,900,000 | $777 |
Sales by Price Range
| Price Range | Homes Sold |
|---|---|
| $300K - $399K | 2 |
| $500K - $749K | 9 |
| $750K+ | 29 |
Current Active Listings
As of this report, there are 84 active listings in Castro Valley with a median asking price of $1,064,000 and an average of 66 days on market.
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