The Union City housing market is very competitive. Homes in Union City receive 5 offers on average and sell in around 28 days. The median sale price of a home in Union City was $1.3M last month, down 2.4% since last year. The median sale price per square foot in Union City is $792, up 1.8% since last year.
What is the housing market like in Union City today?
In September 2025, Union City home prices were down 2.4% compared to last year, selling for a median price of $1.3M. On average, homes in Union City sell after 28 days on the market compared to 22 days last year. There were 20 homes sold in September this year, down from 30 last year.
All Home Types
Median Sale PriceAll Home Types
Median Sale Price
(All Home Types)
$1,305,250
-2.4% YoY | Sep 2025
Based on Redfin calculations of home data from MLS and/or public records.
Location
Data
Sep 2025
Growth
% YoY
Union City, CA
$1,305,250
-2.4%
United States
To compare other locations to the Union City and U.S. housing market, enter a city, neighborhood, state, or zip code into the search bar. Learn which home features in Union City add value to a home.
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How hot is the Union City housing market?
Union City is very competitive. Homes sell in 28 days.
0
100
81
Very Competitive
Redfin Compete Score™
The Redfin Compete Score rates how competitive an area is on a scale of 0 to 100, where 100 is the most competitive.
Calculated over the last 3 months
Many homes get multiple offers, some with waived contingencies.
The average homes sell for about 1% above list price and go pending in around 28 days.
Hot homes
can sell for about 4% above list price and go pending in around 13 days.
This data does not reflect actual moves. The latest migration analysis is based on a sample of about two
million Redfin.com users who searched for homes across more than 100 metro areas. To be included in this dataset, a Redfin.com user
must have viewed at least 10 homes in a three month period. This dataset excludes all rentals data.
Home offer insights for Union City
Explore recent offers and recently sold homes in Union City
Recent offers
Offer Not Accepted|
7 Weeks Ago
~$1.25M Offer
Sold for $1.25M
4bd | 2ba | ~1,500sqft
Over List Price
2%
Days on Market
6
Competing Offers
3
Down Payment
—
Bradley Morris
Union City Redfin Agent
Attractively priced to attract multiple offers and sold over asking price.
School data provided by GreatSchools. School service boundaries are intended to be used as reference only. To verify enrollment eligibility for a property, contact the school directly.
Climate's impact on Union City housing
Learn about natural hazards and environmental risks, such as floods, fires, wind, and heat that
could impact homes in Union City.
Flood Factor - Moderate
75% of properties are at risk of severe flooding over the next 30 years
Flood Factor
Union City has a moderate risk of flooding. 1,518 properties in Union City are likely to be
severely affected
by flooding over the next 30 years. This represents 75% of all properties in Union City. Flood risk is increasing slower than the national average.
38% of properties are at risk of wildfire over the next 30 years
Fire Factor
Union City has a moderate risk of wildfire. There are 6,275 properties in Union City that have some risk of being affected by wildfire over the next 30 years. This represents 38% of all properties in Union City.