Union, CA housing market
The typical Union home is worth about $1,199,000, down 2.8% in a year, 57% above the California typical home. Homes typically sell in 19 days, a little above asking.
Home values, sales, trends and how Union compares with the towns next door — updated as new data is published.
Union at a glance
A seller's market
Supply is tight — about 2.3 months of homes for sale at the current pace. Buyers should expect competition on well-priced homes.
Typical home value, 2016–2026
Show as a table
| January | Union | California |
|---|---|---|
| 2017 | $723,000 | $453,000 |
| 2018 | $811,000 | $501,000 |
| 2019 | $905,000 | $539,000 |
| 2020 | $863,000 | $551,000 |
| 2021 | $950,000 | $607,000 |
| 2022 | $1,160,000 | $703,000 |
| 2023 | $1,129,000 | $727,000 |
| 2024 | $1,210,000 | $758,000 |
| 2025 | $1,299,000 | $782,000 |
| 2026 | $1,223,000 | $767,000 |
| August 2026 | $1,199,000 | $764,000 |
Union and its neighbors
9 years of income
The typical Union home costs about 9 years of the town's median household income, more than across California (7.7 years).
How Union ranks on affordability →
Home value ÷ ACS median household income.
Owners, rent & taxes
U.S. Census Bureau, ACS 2020-2024.
Home values: Zillow Home Value Index (ZHVI), Zillow Research, August 2026. Sales, days on market and supply: Redfin Data Center, May 2026. Income, ownership, taxes and rent: U.S. Census Bureau, American Community Survey. Listings link to their publishers.