Contra Costa County, CA Housing Market Brief
county · CA · as of July 2026
What is Contra Costa County, CA’s Alpha Score?
The Alpha Score is a composite 0–100 index of market strength, a weighted blend of five dimensions. See the methodology.
Where is Contra Costa County, CA in its market cycle?
Contra Costa County, CA is classified as Mature — holding near a healthy peak. This is a classification of recent (1–12 month) momentum, not a price forecast.
What’s the forecast for Contra Costa County, CA?
Our model forecasts Contra Costa County, CA’s home prices to hold flat over the next 12 months (high confidence).
This is a separate, forward-looking view — not the cycle classification above. See how past forecasts performed on the track record, or the full local forecast with its confidence range on the market page.
Contra Costa County, CA housing market data
| Metric | Value | YoY |
|---|---|---|
| Median Sale Price | $850K | ▲ +3% |
| Median Days on Market | 18 days | ▼ -10% |
| Months of Supply | 2.3 | ▼ -11.5% |
| Homes for Sale | 2,113 | ▼ -14.4% |
| Homes Sold | 900 | ▼ -4.7% |
| Median Price / Sq Ft | $521 | ▲ +1.1% |
How has Contra Costa County, CA’s Alpha Score moved?
Markets like Contra Costa County, CA
- Carson City, NV, NVcounty42
- Ventura County, CA, CAcounty41
- Missoula County, MT, MTcounty41
- Knox County, ME, MEcounty44
- Sonoma County, CA, CAcounty40
- San Luis Obispo County, CA, CAcounty40
- Santa Barbara County, CA, CAcounty40
- Boulder County, CO, COcounty39
- Santa Fe County, NM, NMcounty38
- Pender County, NC, NCcounty41
Frequently asked questions
Is Contra Costa County, CA a buyer's or seller's market?
As of July 2026, Contra Costa County, CA is classified as a Balanced Market, based on its Alpha Score of 43 out of 100. The classification reflects current price, inventory, affordability, economic, and rental-yield conditions.
Are home prices rising or falling in Contra Costa County, CA?
The median sale price in Contra Costa County, CA is $850K, having risen 3% over the past year.
How affordable is Contra Costa County, CA?
Contra Costa County, CA scores 10 out of 100 on affordability — relatively unaffordable relative to local incomes and prevailing mortgage rates compared with other counties.
What's driving Contra Costa County, CA's Alpha Score?
Contra Costa County, CA's strongest dimension is Economic Strength (59/100) and its weakest is Affordability (10/100). The Alpha Score is a weighted blend of all five dimensions.
Want the live, interactive view of Contra Costa County, CA? Open the full market dashboard — charts, ZIP-level drill-down, and watchlist tracking. Explore the map or read the methodology.