San Mateo County

OKLocate's data coverage for San Mateo County includes address level insights, mapping layers, property profiles (coming Q4 2026) and census demographics.

San Mateo County is part of the San Francisco-Oakland-Fremont, CA metropolitan statistical area.

LiDAR measurements, aerial imagery, typeahead, geocoding and census demographics behind one API key, on one flat monthly rate, and every result is yours to store with no time limit. No other location API puts that combination under permissive licensing.

Address level data

  • Forward geocoding · Address to rooftop coordinate
  • Reverse geocoding · Coordinate to nearest address
  • Typeahead · About 100 ms
  • County FIPS on every result
  • Census tract on every result (Q4 2026)
  • Place on every result (Q4 2026)
  • School district on every result (Q4 2026)
  • Legislative districts on every result (Q4 2026)

Mapping

  • Base map · Vector tiles, your own styling
  • Aerial imagery · To zoom 15
  • High-resolution aerial, zoom 16 to 18 (Q4 2026)
  • Flood zone boundaries · FEMA NFHL
  • School district boundaries
  • Place boundaries
  • ZIP code boundaries
  • Census tract boundaries
  • Legislative boundaries (Q4 2026)

Property measurements

  • Measured property profiles (Q4 2026)
  • Roof, solar and pool measurements (Q4 2026)
  • Viewable LiDAR point cloud per home (Q4 2026)
  • Search the county on any measured field (Q4 2026)

Demographics

  • Population and households
  • Housing units, owner and renter
  • Median home value and rent
  • Median household income
  • Year built and unit types
  • FEMA flood share and zone breakdown

San Mateo County by the numbers

Housing units
287,184
Population
742,340
Owner occupied
154,607
Median home value
$1,489,542
Median household income
$166,777
Median year built
1966
Census tracts
174
Land area
449 sq mi

Flood zones

7.3% of San Mateo County's land lies inside a FEMA Special Flood Hazard Area. That is higher than 61% of US counties. The largest zones are X at 14% and VE at 4.3%. This is a map overlay for analysis, not a flood determination.

Zone X
14.23%
Zone VE
4.31%
Zone D
2.39%
Zone AE
2.07%
Zone A
0.82%
Zone AH
0.04%
Zone AO
0.02%