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Welcome to the LA Counts Library! Harvested from federal, state, regional, and local data publishers, these open datasets and related data stories tell the public tale of Los Angeles County. They reveal what we know and even what we don't know. Use them to examine your government, explain how things work, and explore the potential for social change in and across Los Angeles County.

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  • Los Angeles Collisions 2013through2018

    City of Los Angeles
    For more information on the attributes associated with collisions, please download the codebook.Collected SWITRS (Statewide Integrated Traffic Records System) Data from 2009 -...
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  • Rectangular Rapid Flashing Beacon

    City of Los Angeles
    Leading Pedestrian Interval: A Leading Pedestrian Interval (LPI) typically gives pedestrians a 3–7 second head start when entering an intersection with a corresponding green...
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  • Hazardous Waste Disposal

    City of Los Angeles
    Location Management System (LMS) is County of Los Angeles GIS Program to maintain a single, comprehensive geographic database of locations countywide.  The scope of this...
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  • Streets (Arterial)

    City of Los Angeles
    Arterial streets are designed to carry a higher level of traffic with more lanes within the City's street network. 
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    • OGC WMS
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    • OGC WFS
  • CalEnviroScreen 2.0 Score

    City of Los Angeles
    The California Office of Environmental Health Hazard Assessment (OEHHA), on behalf of the California Environmental Protection Agency (CalEPA), provides CalEnviroScreen 2.0, a...
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  • Adult Education

    City of Los Angeles
    Locations of adult education in Los Angeles CountyThis dataset is maintained through the County of Los Angeles Location Management System. The Location Management System is used...
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  • City Halls

    City of Los Angeles
    Location of city halls in Los Angeles CountyThis dataset is maintained through the County of Los Angeles Location Management System. The Location Management System is used by...
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  • Manufacturing

    City of Los Angeles
    Locations of manufacturing in Los Angeles CountyThis dataset is maintained through the County of Los Angeles Location Management System. The Location Management System is used...
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  • Clean Streets Index Grids 2018 Q1

    City of Los Angeles
    The Los Angeles Clean Streets Index, the first-of-its-kind, is a grading system of every street in Los Angeles. The Bureau of Sanitation drove and scored over 9,000 miles of...
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  • S-map Index

    City of Los Angeles
    Index of sewer maps for the City.
    • GeoJSON
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  • Groundwater Forebays

    City of Los Angeles
    The Trust for Public Land's Climate-Smart Cities Program is founded on the principle that to respond to climate change, cities must restore natural functions of the land by...
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  • TblEmployment

    City of Los Angeles
    For more information about the contents of each table, download the codebook. This layer/table is part of the Transportation-Health Database, developed in a joint partnership...
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  • Metro Transit Projects Points

    City of Los Angeles
    Metro Transit Projects Points
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  • Building Inspections

    City of Los Angeles
    Administrative locations for building inspections in Los Angeles CountyThis dataset is maintained through the County of Los Angeles Location Management System. The Location...
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  • Asthma

    City of Los Angeles
    The Trust for Public Land's Climate-Smart Cities Program is founded on the principle that to respond to climate change, cities must restore natural functions of the land by...
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  • Supervisorial District (2011)

    City of Los Angeles
    Supervisorial District (2011)
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  • Paging Towers

    City of Los Angeles
    Location Management System (LMS) is County of Los Angeles GIS Program to maintain a single, comprehensive geographic database of locations countywide.  The scope of this...
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  • BOE Capital Improvement Projects Polygons

    City of Los Angeles
    Capital Improvement projects are City funded infrastructure improvements within the City and can be parks, streets, bridges, sewers, storm drains or other public improvements. 
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  • Historic Earthquakes

    City of Los Angeles
    Locations of historic earthquakes in Los Angeles CountyThis dataset is maintained through the County of Los Angeles Location Management System. The Location Management System is...
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  • Bridges

    City of Los Angeles
    Location Management System (LMS) is County of Los Angeles GIS Program to maintain a single, comprehensive geographic database of locations countywide.  The scope of this...
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  • Alleys

    City of Los Angeles
    This alley feature class represents current street centerline lines in the City of Los Angeles. The Mapping and Land Records Division of the Bureau of Engineering, Department of...
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    • OGC WMS
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  • Alquist Priolo Earthquake Fault Zones

    City of Los Angeles
    The Alquist-Priolo Earthquake Fault Zoning (AP) Act was passed into law following the February 9, 1971 San Fernando earthquake. This layer maps the active fault zones identified...
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  • Tunnels

    City of Los Angeles
    Location of tunnels in Los Angeles CountyThis dataset is maintained through the County of Los Angeles Location Management System. The Location Management System is used by the...
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  • Substructure Map Index

    City of Los Angeles
    Index of maps that show utilities in the public streets. 
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  • Decorative Crosswalks

    City of Los Angeles
    Decorative Crosswalks 
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    • OGC WMS
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