- 1 bd
- 1 ba
- 650 sqft

The average Diablo, CA home value is $3,089,447, up 2.9% over the past year. (Updated on )
Zillow Home Value Index (ZHVI), built from the ground up by measuring monthly changes in property level Zestimates, captures both the level and home values across a wide variety of geographies and housing types.
Typical Home Values: $3,089,447
1-Year Value Change: +2.9%
(Data through August 31, 2026)
Zillow is more than a place to browse homes. It’s a place to connect with a local agent, explore financing solutions, schedule home tours, understand your buying and selling power, and more.
The median home value in Diablo, CA is $3,089,447 as of August 2026. This represents a 0.8% increase compared to last month and a 2.9% increase year-over-year.
Home values in Diablo, CA have increased by 0.8% month-over-month and 2.9% year-over-year.
The median home value in Diablo, CA ($3,089,447) compares to: Contra Costa County ($771,709), California ($764,158), and the U.S. national median ($368,697).