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Whether you're buying or selling in Diablo, start with the numbers above — then tell us what you're trying to do.
Expert service • Local market knowledge • Proven results
The median home in Diablo sold for $4.05M over the past 12 months, up 34.4% from the year before.
There is 1 home for sale right now, asking a median of $1.4M — about $560 per square foot.
Homes here take a median of 36 days to sell and close at 98.4% of asking price.
At 8 sales over the past year, current inventory represents about 1.5 months of supply — a seller’s market by the usual six-month benchmark.
Market data derived from MLS records, updated October 15, 2026. Figures cover single-family and attached residential sales and exclude rentals and land.
Joseph Sardella is licensed throughout California, and the market data on this page is drawn from the same MLS records Joseph uses every day. Day-to-day local expertise, though, is in Palm Desert, La Quinta, Indian Wells, Rancho Mirage. For a transaction in Diablo or elsewhere in the Unknown County, Joseph either works the deal directly or introduces you to a vetted agent who lives in that market — and tells you which, up front.
Joseph will personally guide you through every step.
New to the process? See how buying works, step by step.
Get a free, no-obligation valuation from Joseph — backed by real comparable sales.
Thinking about listing? See how selling works, step by step.