7 homes in Diablo

Diablo is a census-designated place (CDP) in Contra Costa County, California, United States. The population was 1,255 at the 2020 census. It is located 2.5 miles (4.0 km) east-northeast of Danville.
Diablo is an exclusive gated community at Mt. Diablo's base. Features prestigious country club, golf, and luxury estates.
Today, Diablo has 7 homes for sale at a median price of $6,498,000, typically selling in about 45 days.
Median Home Price
$11.00M
Months of Supply
Estimated time to sell all listings at the current sales pace
7.0 months of supply
Buyer's Market7 active listings—plenty of options to choose from.
What this means for buyers
There is more inventory than recent sales absorb—buyers have plenty of options and stronger footing to negotiate price and terms. Listings typically sell in ~45 days.
Sales Velocity
How fast homes are selling
Homes are taking longer to sell—buyers have more time to negotiate and explore options. Sales 45% faster than 6 months ago.
Inventory Distribution
Homes are selling at a healthy pace—more listings move within 30 days than sit longer on the market.
Most homes are selling within a month, but a meaningful share is starting to linger longer.
Housing Tenure in Diablo
Homeownership is significantly higher than average—this is a homeowner-dominated market with more long-term residents.
100%
Homeowners
0%
Renters
Homeownership is 44.5% higher than the California average (55.5%)
385 households (2023)
Median Price by Bedroom
Larger homes command significantly higher prices, with sharp increases beyond 3 bedrooms.
Each additional bedroom adds about $3.6M in value on average, with larger homes seeing bigger price jumps.
Largest increase: 4 → 5 bedrooms (+$6.7M)
Price Reductions
2 listings have reduced their price
29% of active listings
Average reduction: 11.5% (~$747K)
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