The Contra Costa County housing market is giving buyers and sellers a little more room to breathe as we head into fall.
August brought the typical late-summer slowdown, with fewer single-family home sales, less overbidding than earlier in the summer, and slightly more supply relative to demand. At the same time, home prices remained above last year's levels.
The condo market is telling a different story, with longer selling times, more price reductions, and lower prices compared with a year ago.
Here’s what buyers and sellers should know from the latest Contra Costa County market data.
Single-Family Home Prices Are Up Year Over Year
The median price of a single-family home in Contra Costa County reached $870,000 in August, up approximately 4% year over year.
Prices varied considerably across the county.
Among the communities included in the report, August median single-family prices ranged from approximately $5.2 million in Alamo and $2.04 million in Danville to $1.4 million in Walnut Creek and $755,000 in Concord.
These differences reinforce an important point: countywide numbers provide useful context, but individual communities can behave very differently.
Sales Slowed as Summer Wound Down
A total of 615 single-family homes closed in August, down 14% from a year earlier and 12% from July.
Inventory also remained below last year's level. Combined active listings were down approximately 12% year over year, while active single-family listings declined 13%.
Despite lower inventory, buyers had slightly more leverage than they did earlier in the summer. Months of supply for single-family homes increased from 2.2 months in July to 2.4 months in August.
Competition Is Still There, But It's Moderating
One of the clearest changes came from overbidding.
Approximately 38% of single-family sales closed above asking price in August, compared with 47% in July. On a year-over-year basis, however, the report shows overbidding was still slightly higher than it was a year earlier.
That combination suggests a market that is cooling seasonally rather than one where competition has disappeared.
Well-priced homes can still attract strong buyer interest, but sellers shouldn't assume that every property will generate multiple offers or sell significantly above asking.
For buyers, this may mean more opportunities to evaluate a home carefully and negotiate based on the property's individual circumstances.
Conditions Vary Significantly by Community
Looking beneath the countywide numbers reveals just how localized the market has become.
In Walnut Creek, single-family homes recorded a 103% sale-to-list ratio and averaged approximately 25 days on market.
Danville showed a 98% sale-to-list ratio with an average of 27 days on market, while Orinda recorded a 100% sale-to-list ratio and averaged 35 days.
Other communities showed very different patterns.
That makes neighborhood-level pricing and recent comparable sales especially important for anyone making a buying or selling decision this fall.
The Condo Market Is Softer
The difference between single-family homes and condos is particularly notable.
Contra Costa County's condo median fell to approximately $425,000 in August, down 12% year over year.
Condos also took considerably longer to sell. Average days on market increased from 42 days a year ago to 66 days, one of the more significant shifts highlighted in the report.
At the same time, condo price reductions increased 31% year over year, with the price-reduction rate reaching 42%.
For condo buyers, those conditions may create more opportunities for negotiation.
For sellers, pricing appropriately from the beginning becomes particularly important when buyers have more time and more choices.
What Does This Mean for the Fall Market?
Contra Costa County isn't moving uniformly in one direction.
Single-family home values remained above last year's levels in August, but the month-over-month numbers show competition easing as the market transitioned out of summer. Meanwhile, condos are experiencing a more pronounced slowdown.
For sellers, this is a market where pricing, preparation, and understanding recent neighborhood sales matter.
For buyers, softer competition in some segments doesn't necessarily mean every home will be easier to purchase. Desirable properties in sought-after communities can still move quickly, while other homes may offer considerably more negotiating room.
The key is looking beyond the countywide headline and understanding what's happening in the specific community, price range, and property type you're considering.
Thinking about buying or selling in Contra Costa County or the greater East Bay? We can help you understand how today's market is behaving in your specific neighborhood and what the latest sales mean for your plans.
Market statistics are based on the September 2026 Compass Contra Costa County Market Outlook, using data through August 2026. Market conditions vary by community, property type and price point.
