2021 SF EAST BAY MEDIAN HOME SALES PRICE MAP - COMPASS This map and the list following reflect median home sales prices as reported to NorCal MLS Alliance in the 2nd half of 2021, for the cities of Alameda & Contra Costa Counties. Median sales prices are generalities that often fluctuate and can be affected by other factors besides changes in fair market value. They typically disguise a huge range of prices in the underlying individual sales, and all prices should be considered approximate. It is impossible to know how median and average value statistics apply to any particular home without a specific comparative market analysis. Data per sales reported to NorCal Regional MLS, deemed reliable, but may contain errors and subject to revision. Click on icons to pull up median home sales prices.