Area data
Castro valley, CA — ZIP 94552
Population: 14,506 (Census ACS)
Home values & appreciation
- Median home value
- $1.38M
- 1-year appreciation
- -0.7%
- 3-year appreciation
- +6.0%
- 5-year appreciation
- +10.7%
- 10-year appreciation
- +66.1%
- All-time peak (2022-06)
- $1.49M
- House Price Index
- 417.4 (-0.8% YoY)
Market activity
- Median sale price
- $1.50M
- Median list price
- $1.56M
- Median days on market
- 13 days
- Sale-to-list ratio
- 101.7%
- Active listings
- 8
- 1-year forecast
- -1.7%
- New listings (monthly)
- 10
Rents
- Typical rent
- $4,073/mo
- 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
- 4
- Elementary schools
- 3
- Middle schools
- 1
- High schools
- 0
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)
- Annual precipitation
- 17.5 in
Air quality
- Air quality rating
- Good
- Median AQI (annual)
- 48
- Days with Good air quality
- 197
Walkability & transit
- Walkability index
- 6.8 / 20
- Transit service frequency
- -99,999
Amenities
- National parks within ~60 mi
- 11
- Nearest national park
- Eugene O'Neill National Historic Site (7 mi)
- Nearest airport
- Boneyard Airstrip (4 mi)
- Nearest major airport
- San Francisco Bay Oakland International Airport (OAK) (11 mi)
- Hospitals nearby (~15 mi)
- 22
- Avg hospital rating
- 3.2 / 5
- EV charging stations (within 10 mi)
- 420
- Solar radiation rating
- Good (4.9 kWh/m²/day)
Migration
- Net migration
- -11,985 tax filers
Housing stock
- Median year housing built
- 1,988
- Median annual property tax
- $9,823
- Mean commute to work
- 26 min
- Households with broadband internet
- 88.2%
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 →