Union City CA
265 active listings out of 20K total properties we track across 5 Union City ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
Download Union City, CA property data
12,505,422 property records for all of California — address, beds/baths, sqft, year built, status, list and last-sale price, price and tax history. Parquet or CSV.
Files are published by ZIP, county and state; this city is inside the state file.
Monthly snapshot · 1.4 GB Parquet · CSV (2.2 GB)
Records keep changing after a snapshot is compiled.
Rebuilt every day · same columns, same file layout
While you're here, take in the bigger picture — maps below show San Francisco Bay Area metro, not just Union City. Same company, same dataset, different resolution.
Inventory breakdown
Distribution of the 265 currently-active listings in Union City, CA. Full dataset covers 20K properties — listings, off-market homes, rentals, and full history.
ZIP codes in Union City
Drill into any ZIP for hex-level breakdowns.
Nearby cities
Other California cities within driving distance.
Get Union City, CA data in your app
GET https://api.straply.com/v1/markets/city/union-city-ca
Authorization: Bearer $STRAPLY_KEY{
"city": "union-city-ca",
"total_tracked": 19570,
"active": 265,
"median_list": 1143500
}Union City, CA real estate: market summary
As of November 2026, Straply tracks 19,570 homes in Union City, CA, with 265 active for sale at a median list price of $1,143,500 (~$685/sq ft). Notably, the market is cooling — the median sale price is down 15% year over year.
- Median list price
- $1,143,500
- Median $/sq ft
- $685
- Active listings
- 265
- Median sale price
- $1,000,000 (-15% YoY)
- Properties tracked
- 19,570
Frequently asked: Union City, CA real estate
What is the median home price in Union City?
The median list price in Union City, CA is $1,143,500 (about $685 per square foot), based on 265 active listings tracked by Straply as of November 2026.
What price range are homes in Union City?
Active listings in Union City, CA concentrate in: 50% $1m–$2m and 16% $750k–$1m.
Are home prices in Union City going up or down?
The median sale price is $1,000,000, down 15% year over year. Straply tracked 311 sales here over the past 12 months.
How many homes are for sale in Union City?
Straply is tracking 265 active listings in Union City, CA out of 19,570 properties on record as of November 2026.
How old are the homes in Union City?
Most homes in Union City, CA were built in the 1970s. About 44% were built after 1980. The newest tracked home dates to 2026.
What types of homes are in Union City?
Union City, CA is mostly single-family homes (63% of listings). Also common: condos 16%, townhouses 11%.
How many bedrooms do homes in Union City typically have?
The most common size in Union City, CA is 3 bd.
What areas are near Union City?
Nearby markets Straply also tracks include Newark, Hayward, Fremont, San Lorenzo.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.