Is Castro Valley, CA 94546 a buyer’s or seller’s market?

The Castro Valley housing market right now

In the three months ending August 31, 2026, 63% of homes in Castro Valley, CA 94546 sold above their list price, the typical home went under contract in 15 days and there were 2 months of supply. Under four months of supply means sellers have the edge: expect competition for well-priced homes. That’s based on 82 home sales.

Compared with the same period a year earlier, the share selling over asking rose from 42%, homes sold faster (21 days then) and the median sale price rose 10% to $1,099,524. Overall, Castro Valley is more competitive than a year ago, so tougher for buyers.

Within Alameda County, homes here sell faster than in 83% of the county’s ZIP codes, and sell more often over asking than in 65%. On our competition score, Castro Valley ranks #51 of 1,069 CA ZIP codes with enough sales (score 92 out of 100).

Nearby, buyers who want less competition could look at Sunol 94586 (0% sold over asking) or Tracy 95391 (15% sold over asking), while Berkeley 94702 (90% sold over asking) and Oakland 94602 (86% sold over asking) are even more competitive.