CA area data
Port costa, CA
Port costa, CA.
Population: 296 (Census ACS)
Home values & appreciation
- Median home value
- $663,814
- 1-year appreciation
- +0.1%
- 3-year appreciation
- -5.7%
- 5-year appreciation
- -9.3%
- 10-year appreciation
- +38.7%
- All-time peak (2022-05)
- $784,596
- House Price Index
- 417.4 (-0.8% YoY)
Market activity
- Median sale price
- $713,000
- Median days on market
- 14 days
- Sale-to-list ratio
- 89.7%
- 1-year forecast
- -0.5%
Rents
- 2-bedroom fair-market rent (HUD reference)
- $2,330/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%
Natural hazards & flood risk
- Overall hazard risk
- Very High
- Top hazards
- inlandFlooding, drought, earthquake, heatWave, landslide
- FEMA flood zone
- A
- Flood risk level
- High
Climate (30-year normals)
- Average annual temperature
- 59.0°F
- Average high
- 69.0°F
- Average low
- 49.0°F
- Annual precipitation
- 22.1 in
Air quality
- Air quality rating
- Moderate
- Median AQI (annual)
- 51
- Days with Good air quality
- 173
Walkability & transit
- Walkability index
- 4.8 / 20
- Transit service frequency
- -99,999
Amenities
- National parks within ~60 mi
- 11
- Nearest national park
- John Muir National Historic Site (6 mi)
- Nearest airport
- Buchanan Field (CCR) (9 mi)
- Nearest major airport
- Buchanan Field (CCR) (9 mi)
- Hospitals nearby (~15 mi)
- 15
- Avg hospital rating
- 2.9 / 5
- EV charging stations (within 10 mi)
- 525
- Solar radiation rating
- Good (5.0 kWh/m²/day)
Migration
- Net migration
- -5,001 tax filers
Housing stock
- Median year housing built
- 1,938
- Median annual property tax
- $5,979
- Mean commute to work
- 2 min
- Households with broadband internet
- 56.2%
Employment & development
- Total county employment
- 322,307
- Average weekly wage
- $1,600
- Top industries (by employment)
- Health Care, Accommodation & Food, Construction
- Annual residential building permits (county)
- 1,199
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 →