Homes for Sale in Union City, CA

51 homes for sale ยท Updated August 12, 2026

Market snapshot for Union City, CA

Median price
$1,249,000
Average price
$1,069,816
Highest price
$2,400,000
Avg price / sqft
$723/sqft
Avg home size
1,606 sqft
Avg days on market
41
Avg year built
1974
Avg beds / baths
3.2 bd / 2.1 ba

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