The Castro Valley, CA housing market is a balanced market, scoring 54 out of 100 on Pocket Agent Pro’s buyer-to-seller scale, with 96 homes for sale and 3.1 months of supply. Homes in Castro Valley, CA sold for a median of $1,170,000, up 1.9% from the prior month, or $656 per square foot. The average sale price in Castro Valley, CA was $1,228,000, close to the median. The typical home goes under contract in 49 days, sales close at 100.7% of asking price and 58.1% of homes sell above list. 32.3% of active Castro Valley, CA listings have cut their price at least once, a rough gauge of seller flexibility. Figures cover the 30 days through 2026-10-09 and are based on 31 recorded sales and 96 active listings.
| Property | Bd/SqFt | Sold | Closed |
|---|---|---|---|
| 17460 Vineyard Rd, Castro Valley | 3/2,817 | $1,550,000 | 2026-10-09 |
| 20279 Forest Ave, Castro Valley | 2/1,207 | $700,000 | 2026-10-08 |
| 18367 Apricot Way, Castro Valley | 3/1,386 | $1,290,000 | 2026-10-08 |
| 19947 Summercrest Dr, Castro Valley | 4/1,666 | $1,050,000 | 2026-10-07 |
| 4256 Seven Hills Rd, Castro Valley | 2/1,279 | $785,000 | 2026-10-06 |
| 21112 Tyee Ct, Castro Valley | 3/2,111 | $1,335,000 | 2026-10-06 |
| 3702 Scribe Way, Castro Valley | 4/2,062 | $1,185,000 | 2026-10-05 |
| 20278 Forest Ave Unit 4, Castro Valley | 2/1,014 | $590,000 | 2026-10-05 |
Castro Valley, CA is currently a balanced market, at 54 out of 100 on our buyer-to-seller scale, which blends months of supply, sale-to-list price, days on market and the share of listings with price cuts. There are 3.1 months of supply — under about 3 months typically favors sellers, over about 6 favors buyers.
The median home in Castro Valley, CA sold for $1,170,000 over the last 30 days. That is up 1.9% from the month before.
The average sale price in Castro Valley, CA was $1,228,000, close to the median. The median ($1,170,000) is the middle sale, so it better reflects a typical home; the average is the total of all prices divided by the number of sales.
Homes in Castro Valley, CA take a median of 49 days on market to go under contract. Half sell faster than that and half take longer, so a listing sitting well past 49 days is worth a second look on price.
Homes in Castro Valley, CA close at a median of 100.7% of their asking price, and 58.1% sell above list. That ratio is the quickest read on how much room there is to negotiate.
There are 96 homes actively for sale in Castro Valley, CA, about 3.1 months of supply at the current sales pace.