What the Pros Know
Market Snapshot
Zip Code 94521 | Contra Costa County, CA
41,092
Population
YoY
202243.1
Median Age
YoY
2022$121,368
Median Household Income
YoY
2022$860,000
Median Sale Price
0.6% MoM
2.3% YoY
6/202581
Homes Sold
9.0% MoM
9.5% YoY
6/20250.6
Months Inventory
7.8% MoM
28% YoY
6/202517
Days on Market
1 MoM
4 YoY
6/202547
Listings
16.1% MoM
34.3% YoY
6/2025529
Price per Sq Ft
5% MoM
4.8% YoY
6/2025
See 94521 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.