Housing in Union City, CA
Home values, rent, ownership rates, and housing market data
Housing Market Snapshot
Source: Redfin — January 2026Median Sale Price
$1,361,500
Median List Price
$1,099,000
Price Per Sq Ft
$745
Days on Market
33
Active Inventory
28
Months of Supply
1.6
Seller's market
Zillow Home Value
$1,216,304
ZHVI — January 2026
Zillow Rent Index
$2,516
ZORI — January 2026
Price Trends
Source: RedfinMarket Competitiveness
Source: RedfinSold Above List
50.0%
Off Market in 2 Weeks
63.6%
Sale-to-List Ratio
104.4%
Seller's market
Market Activity
Source: RedfinHomes Sold
18
New Listings
31
Pending Sales
22
Price Per Square Foot
Source: RedfinMedian Sale $/SF
$745
Median List $/SF
$684
Union City vs Similar Cities
Source: Census ACS / Redfin (2023)Compared to cities with 50,000 - 100,000 residents. Union City is highlighted.
Median Home Value
Median Rent
Median Price Per Sq Ft
Rent Burden
Census Housing Data
Source: U.S. Census Bureau ACS (2023)Median Home Value
$1,058,200
Median Rent
$2,713
Total Housing Units
21,923
Vacancy Rate
3.3%
Owner Occupied
67.0%
Renter Occupied
33.0%
Median Property Tax
$8,139
per year
Monthly Cost (w/ Mortgage)
$2,736
Housing Types
The current median sale price in Union City, CA is $1,361,500 according to Redfin data. Homes spend a median of 33 days on the market. 50.0% of homes sold above asking price. The market has 1.6 months of supply. The median price per square foot is $745. Zillow's observed rent index is $2,516/month. About 67.0% of housing units are owner-occupied. The median year homes were built is 1979. There are 21,923 total housing units.