- ArcGIS Web Application - Ontario, California
Explore Ontario, California's interactive ArcGIS web application for comprehensive geographic information and data visualization
- Zoning Map | City of Ontario, California
To search the zoning designation for properties within the City of Ontario, please see the interactive map below: LU-01 Land Use Plan Shows the fundamental pattern of land use by displaying the pattern and distribution of land use designations across the entire city, down to the parcel level LU-04 Mixed Use Areas
- Property Locator - CityView Portal - Ontario, California
Begin typing a street address or Parcel Number above and we will search existing locations within the jurisdiction If your location appears, please select it from the list Search for properties
- Geographic information system - Wikipedia
A geographic information system (GIS) consists of integrated computer hardware and software that store, manage, analyze, edit, output, and visualize geographic data [1][2] Much of this often happens within a spatial database; however, this is not essential to meet the definition of a GIS [1]
- My Map - ArcGIS
Map Viewer Classic is a deprecated product and will be removed in Q1 of 2026 Consider opening this content in Map Viewer to ensure the best experience
- WHAT IS GIS? Geographic Information System (GIS) - Esri
GIS connects data to a map, integrating location data (where things are) with all types of descriptive information (what things are like there) This provides a foundation for mapping and analysis that is used in science and almost every industry GIS helps users understand patterns, relationships, and geographic context
- What is a geographic information system (GIS)? - USGS. gov
A Geographic Information System (GIS) is a computer system that analyzes and displays geographically referenced information It uses data that is attached to a unique location Most of the information we have about our world contains a location reference: Where are USGS streamgages located? Where was a rock sample collected?
- California State Geoportal
Discover, analyze and download data from California State Geoportal Download in CSV, KML, Zip, GeoJSON, GeoTIFF or PNG Find API links for GeoServices, WMS, and WFS Analyze with charts and thematic maps Take the next step and create storymaps and webmaps
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