Active Listings
70
⇩ 29.3% vs 99 last year
Data as of March 2026. Source: Realtor.com.
The Castro Valley, CA real estate market currently shows 70 active listings, with 32 pending sales. Homes are averaging 28.9 days on the market before going under contract.
Inventory has tightened compared to last year, with 29 fewer active listings — creating more competition among buyers.
Homes are taking longer to sell, averaging 28.9 days on market compared to 20.4 days last year.
The median listing price has fallen 11.8% year-over-year, from $1,156,745 to $1,019,900.
Whether you are buying or selling in Castro Valley, CA, SELL123.com can help you save significantly on commission — typically 2% compared to traditional 5% broker fees. Call (240) SELL-123 for a free consultation.
Population: 60,709 · Density: 862.0/mi² · Median household income: $139,095
Typical home value: $1,009,615 · Homeownership: 72.3%