Local Benchmarks
Local Hydrology
World
Global Visualization Viewer (GloVis)
Earth Explorer
Open Street Map
Open Land Map
OpenTopography
OpenAerialMap
ArcGIS Living Atlas
Google Maps
Bing Maps
Apple Maps
United States
FEMA Map Service Center
Seismic Design Maps
USGS National Map
EagleView (paywall)
California
Cal Fire:
Responsibility Areas: Federal, State, Local
Wildland Urban Interface (WUI)
Healthy Places Index - Future Extreme Heat
Alameda County
Alameda Co. Parcel Viewer
Alameda Co. Aerial Imagery 2017
Alameda Co. Surveyor Docs
Alameda Co. Zoning Map
Real Estate Documents
Cities in Alameda County
Hayward
Contra Costa County
CCMAP
GIS Data / LiDAR