Apartments for Rent in Union City, CA

Prices and availability in Union City, CA were last updated on 8 May 2026.

The best apartments in Union City, CA are: Sofi Union City, Parc Medallion Apartments, Summerhill Place Apartments, Mission Sierra Apartments and The Union Flats.

The average rent in Union City, CA is $2,495.

The price range for a 1-bedroom apartment in Union City, CA is between $1,200 and $3,301.

The price range for a 2-bedroom apartment in Union City, CA is between $2,545 and $3,665.

The price range for a 3-bedroom apartment in Union City, CA is between $2,095 and $3,665.

In Union City, 33% of the residents are renting compared to 67% owning a home, according to data from the U.S. Census Bureau. Large-scale apartment buildings with more than 50 units represent 29% of Union City's rentals, 40% are small-scale complexes with under 50 units, and 28% are single-family rentals.

The average age of rental buildings in Union City is 34 years old, with 31% being newer apartment buildings completed since 2000. The average height of apartment buildings in the city is 3 stories, of which 81% are garden-style apartment communities, 19% are mid-sized buildings, and none are high-rises. These characteristics describe large-scale apartment communities of 50 apartments or more.

Rental apartments in Union City come in a range of sizes and floorplans. Studio apartments represent 3% of units for rent, ideal for singles, renters on a budget and people who value central locations more than space. Rentals with 1-bedroom floorplans make up 49% of the total apartments in the city, while 2-bedroom floorplans represent around 39% of all rentals in Union City. The rest are larger floorplans with 3 bedrooms or more, typically preferred by families, larger households or roommates sharing space.