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