Is Diablo, CA 94528 a buyer’s or seller’s market?
Diablo is a buyer’s market. With about 12.8 months of supply, buyers usually have more time and more room to negotiate on price and terms.
The Diablo housing market right now
In the three months ending August 31, 2026, 100% of homes in Diablo, CA 94528 sold above their list price, the typical home went under contract in 14 days and there were 12.8 months of supply. More than six months of supply favors buyers, who usually have more time and more room to negotiate. With only 1 sale, these figures can swing a lot from month to month.
Compared with the same period a year earlier, the share selling over asking rose from 50%, homes sold faster (86 days then) and the median sale price rose 393% to $10,995,242. Overall, Diablo is more competitive than a year ago, so tougher for buyers.
Within Contra Costa County, homes here sell faster than in 92% of the county’s ZIP codes, and sell more often over asking than in any other ZIP code in the county.
Nearby, buyers who want less competition could look at Port Costa 94569 (0% sold over asking) or Discovery Bay 94505 (17% sold over asking).
Run the numbers for 94528
Nearby markets
Alamo 94507Seller’s market $875 /sq ftAntioch 94509Seller’s market $342 /sq ftAntioch 94531Seller’s market $314 /sq ftBerkeley 94708Seller’s market $934 /sq ft Browse all markets →Towns like Diablo nearby
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Questions about Diablo real estate
Is Diablo a buyer’s or seller’s market?
A buyer’s market: there were 12.8 months of supply in Diablo, CA 94528 in the three months ending August 31, 2026. Under four months usually favors sellers, and more than six favors buyers.
How fast do homes sell in Diablo?
The typical home went under contract in 14 days in the latest three months.
Do homes in Diablo sell over asking?
100% of homes sold above their original list price, and the typical sale closed at 115.8% of the list price.
What are property taxes in Diablo?
About 1.15% of a home’s value a year in Contra Costa County, or roughly $4,600 on a $400,000 home.
What is the median home price in Diablo?
The median sale price was $10,995,242 in the three months ending August 31, 2026, about $1,258 per square foot.
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Market data describes housing activity only. Figures are rolling 3-month values from Redfin and may be revised. Methodology