CA area data
Union city, CA
Union city, CA.
Population: 67,464 (Census ACS)
Home values & appreciation
- Median home value
- $1.22M
- 1-year appreciation
- -4.1%
- 3-year appreciation
- +4.5%
- 5-year appreciation
- +9.8%
- 10-year appreciation
- +70.1%
- All-time peak (2022-05)
- $1.33M
- House Price Index
- 417.4 (-0.8% YoY)
Market activity
- Median sale price
- $1.50M
- Median list price
- $1.20M
- Median days on market
- 200 days
- Sale-to-list ratio
- 84.5%
- Active listings
- 3
- 1-year forecast
- -2.0%
- Days to pending
- 38 days
- New listings (monthly)
- 35
Rents
- Typical rent
- $2,941/mo
- 1-year rent change
- +4.1%
- 1BR fair-market rent
- $1,869/mo
- 3BR fair-market rent
- $3,029/mo
Affordability
- Cost of living index (High)
- 113.3 (100 = US avg)
- Electricity rate (state-level)
- 32.5¢/kWh
- Natural gas rate (state-level)
- $22.00/MCF
- 30-year mortgage rate (national)
- 6.66%
- 15-year mortgage rate (national)
- 6.00%
Schools
- Total schools
- 11
- Elementary schools
- 6
- Middle schools
- 2
- High schools
- 1
- Charter schools
- 1
Natural hazards & flood risk
- Overall hazard risk
- Very High
- Top hazards
- earthquake, inlandFlooding, coastalFlooding, heatWave, landslide
- FEMA flood zone
- B
- Flood risk level
- Moderate
Climate (30-year normals)
- Average annual temperature
- 57.0°F
- Average high
- 64.0°F
- Average low
- 50.0°F
- Annual precipitation
- 37.0 in
- Annual snowfall
- 3.1 in
Air quality
- Air quality rating
- Good
- Median AQI (annual)
- 48
- Days with Good air quality
- 197
Walkability & transit
- Walkability index
- 13.0 / 20
- Transit service frequency
- 483
Amenities
- National parks within ~60 mi
- 11
- Nearest national park
- Eugene O'Neill National Historic Site (15 mi)
- Nearest airport
- Boneyard Airstrip (4 mi)
- Nearest major airport
- Palo Alto Airport (PAO) (11 mi)
- Hospitals nearby (~15 mi)
- 23
- Avg hospital rating
- 3.4 / 5
- EV charging stations (within 10 mi)
- 525
- Solar radiation rating
- Good (5.0 kWh/m²/day)
Migration
- Net migration
- -11,985 tax filers
Housing stock
- Median year housing built
- 1,980
- Median annual property tax
- $8,217
- Mean commute to work
- 26 min
- Households with broadband internet
- 83.8%
Employment & development
- Total county employment
- 685,689
- Average weekly wage
- $1,798
- Top industries (by employment)
- Health Care, Professional Services, Accommodation & Food
- Annual residential building permits (county)
- 725
Area data compiled from public government, academic, and industry research feeds. Data sources →
Data last updated
Most recent source refresh: Aug 2026. See all data sources →