The short version: Union City sits in southern Alameda County between Fremont and Hayward, with BART access and commute-driven demand at a range of price points. Its transit connectivity is the defining feature for many buyers, and its relatively central location along the I-880/Dumbarton corridor makes it a common cross-shop against neighboring Fremont and Newark. Here’s the objective picture.
Neighborhoods and housing
Union City includes established single-family neighborhoods in its older flatland tracts and newer townhome and condo developments, some concentrated around the Union City BART station and the Station District area, which has seen transit-oriented infill development in recent years. Older neighborhoods tend to sit further from the BART station, while newer, denser housing clusters closer to it.
As of July 2026, Intero’s live market report puts Union City’s citywide median list price at $1,425,000, with a market action index around 44 (a slight seller’s advantage) and inventory of roughly 53 homes, which has been increasing recently. See the live, continuously-updated Union City market report for the current figures, since these numbers shift weekly. Buyers cross-shopping Union City against Fremont or Newark should weigh commute time to their specific job site against the generally lower price point Union City offers relative to Fremont.
Union City was incorporated in 1959, formed by combining several smaller unincorporated communities, including Alvarado and Decoto, into a single city. That consolidation is part of why the city today reads as a patchwork of distinct residential pockets rather than one uniform layout, and it is worth noting when comparing home age and lot sizes between different parts of town.
Schools
Union City is served primarily by the New Haven Unified School District, with assignment tied to attendance boundaries that can change — confirm the current assignment for any specific address, and check current state and GreatSchools ratings for objective data. See “School Boundaries Explained”.
Commute and transit
Union City’s BART station and access to I-880 and the Dumbarton corridor (via CA-84) make it a commute-oriented city, with connections toward both San Jose and the Peninsula. Its position between Fremont and Hayward also means residents have relatively quick access to two different regional job centers without living directly in either city.
Amenities
The city offers neighborhood parks, trails including sections of the Bay Trail along the shoreline, and everyday shopping and dining, with larger regional retail nearby in Fremont and Hayward. Union City is also known for its diverse population and community events reflecting that diversity.
Buying or selling in Union City
Comparing nearby cities? See the Fremont Real Estate Guide and Newark Real Estate Guide. Understand what drives your value in What Affects Your Home Value. For the area overview, start at Where to Live in Silicon Valley.
Thinking of selling in Union City? Get an instant estimate and a verified value — Message Laxmi on WhatsApp.
Ready to work with a local expert in this market? See our Union City real estate agent guide.
Laxmi Top Realtor · Intero Real Estate · DRE #02047105. Equal Housing Opportunity. Presented from public sources for objective comparison; verify current specifics independently.