Area data
Castro valley, CA — ZIP 94546
Population: 44,855 (Census ACS)
Home values & appreciation
- Median home value
- $1.02M
- 1-year appreciation
- 0.0%
- 3-year appreciation
- +4.1%
- 5-year appreciation
- +5.4%
- 10-year appreciation
- +59.2%
- All-time peak (2022-06)
- $1.11M
- House Price Index
- 417.4 (-0.8% YoY)
Market activity
- Median sale price
- $850,000
- Median list price
- $770,000
- Median days on market
- 11 days
- Sale-to-list ratio
- 99.5%
- Active listings
- 5
- 1-year forecast
- -1.8%
- Days to pending
- 26 days
- New listings (monthly)
- 30
Rents
- Typical rent
- $2,712/mo
- 1-year rent change
- +4.3%
- 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
- 13
- Elementary schools
- 6
- Middle schools
- 1
- High schools
- 3
Natural hazards & flood risk
- Overall hazard risk
- Very High
- Top hazards
- earthquake, inlandFlooding, coastalFlooding, heatWave, landslide
- FEMA flood zone
- X
- Flood risk level
- Minimal
Climate (30-year normals)
- Average annual temperature
- 60.0°F
- Average high
- 69.0°F
- Average low
- 51.0°F
- Annual precipitation
- 16.4 in
Air quality
- Air quality rating
- Good
- Median AQI (annual)
- 48
- Days with Good air quality
- 197
Walkability & transit
- Walkability index
- 14.2 / 20
- Transit service frequency
- 111
Amenities
- National parks within ~60 mi
- 11
- Nearest national park
- Eugene O'Neill National Historic Site (8 mi)
- Nearest airport
- Hayward Executive Airport (HWD) (5 mi)
- Nearest major airport
- San Francisco Bay Oakland International Airport (OAK) (8 mi)
- Hospitals nearby (~15 mi)
- 1
- Avg hospital rating
- 4.0 / 5
- EV charging stations (within 10 mi)
- 525
- Solar radiation rating
- Good (4.9 kWh/m²/day)
Migration
- Net migration
- -11,985 tax filers
Housing stock
- Median year housing built
- 1,960
- Median annual property tax
- $7,435
- Mean commute to work
- 25 min
- Households with broadband internet
- 82.7%
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 →