What the Pros Know
Market Snapshot
Zip Code 94509 | Contra Costa County, CA
70,889
Population
YoY
202236.4
Median Age
YoY
2022$78,637
Median Household Income
YoY
2022$540,000
Median Sale Price
1.8% MoM
5.3% YoY
6/2025137
Homes Sold
3.8% MoM
6.2% YoY
6/20250.6
Months Inventory
5.8% MoM
37.6% YoY
6/202523
Days on Market
1 MoM
6 YoY
6/202587
Listings
2.2% MoM
31.8% YoY
6/2025364
Price per Sq Ft
0.2% MoM
1.7% YoY
6/2025
See 94509 on Zillow
1. Population Data from U.S. Census Bureau.
2. Sales Data provided by Redfin, a national real estate brokerage.
MoM = Month over Month. The percentage change from the previous month to the current month.
YoY = Year over Year. The percentage change from the same period the previous year to the current period.