Area data
San mateo, CA — ZIP 94402
Population: 25,475 (Census ACS)
Home values & appreciation
- Median home value
- $2.47M
- 1-year appreciation
- +6.6%
- 3-year appreciation
- +16.9%
- 5-year appreciation
- +19.4%
- 10-year appreciation
- +61.3%
- All-time peak (2026-07)
- $2.47M
- House Price Index
- 417.4 (-0.8% YoY)
Market activity
- Median sale price
- $1.54M
- Median list price
- $1.65M
- Median days on market
- 13 days
- Sale-to-list ratio
- 102.3%
- Active listings
- 2
- 1-year forecast
- -1.3%
- Days to pending
- 24 days
- New listings (monthly)
- 25
Rents
- Typical rent
- $4,022/mo
- 1-year rent change
- +9.8%
- 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
- 10
- Elementary schools
- 5
- Middle schools
- 1
- High schools
- 4
Natural hazards & flood risk
- Overall hazard risk
- Relatively High
- Top hazards
- coastalFlooding, drought, earthquake, inlandFlooding, landslide
- FEMA flood zone
- X
- Flood risk level
- Minimal
Climate (30-year normals)
- Average annual temperature
- 58.0°F
- Average high
- 63.0°F
- Average low
- 52.0°F
- Annual precipitation
- 32.1 in
- Annual snowfall
- 0.7 in
Air quality
- Air quality rating
- Good
- Median AQI (annual)
- 31
- Days with Good air quality
- 355
Walkability & transit
- Walkability index
- 17.2 / 20
- Transit service frequency
- 915
Amenities
- National parks within ~60 mi
- 11
- Nearest national park
- Presidio of San Francisco (20 mi)
- Nearest airport
- San Carlos Airport (SQL) (5 mi)
- Nearest major airport
- San Carlos Airport (SQL) (5 mi)
- Hospitals nearby (~15 mi)
- 28
- Avg hospital rating
- 3.4 / 5
- EV charging stations (within 10 mi)
- 210
- Solar radiation rating
- Good (4.9 kWh/m²/day)
Migration
- Net migration
- -4,745 tax filers
Housing stock
- Median year housing built
- 1,958
- Median annual property tax
- $10,001
- Mean commute to work
- 19 min
- Households with broadband internet
- 88.2%
Employment & development
- Total county employment
- 390,970
- Average weekly wage
- $3,458
- Top industries (by employment)
- Professional Services, Information, Health Care
- Annual residential building permits (county)
- 482
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 →