Homes for Sale in Union City, CA

71 homes for sale ยท Updated September 25, 2026

Market snapshot for Union City, CA

Median price
$1,199,000
Average price
$1,117,954
Highest price
$2,899,999
Avg price / sqft
$715/sqft
Avg home size
1,540 sqft
Avg days on market
37
Avg year built
1974
Avg beds / baths
3.4 bd / 2.2 ba

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