zoning, FEMA Flood Zones, historic districts, land use, parks, seismic features, and more! The Parcel Finder is comprehensive and contains over 100 map layers, 7.5 minute Topographic Quads and historical imagery (1941-2016). For help using this application see this guide.
Users can now browse or query sewer lateral certificates issued or applied for since the program started. This application will be updated on a quarterly schedule and will note the last update.
Enjoy this interactive GIS story map of the City of Arcata’s Trails! Learn more about our wonderful trails the City has to offer. Please use your space bar to advance through the Story Map.
Find Sewer Lateral Certificate
Explore Arcata! Learn more about the City of Arcata with this interactive GIS story map. Take a self-guided tour of some of Arcata’s world famous locations and events. Please use your space bar to advance through the Story Map.
Arcata King Tide Community Observation (2017-2018): View community submitted photos of affected areas surrounding Arcata Bay during the King tides of 2017-2018. This site will be re-launched for uploading photos for the King tides in 2018-2019.
Download City of Arcata Maps
Download GIS Data
Download City of Arcata's GIS spatial data in .shp format for use in Mapping Software like ArcView
- Arcata City Limits
- Arcata Community Forest - Includes boundary, roads, and trails.
Download the Humboldt Bay Sea Level Rise Water Level Extract ProgramDeveloped by Jeff Anderson of Northern Hydrology & Engineering and funded by the City's Environmental Services Department, the Humboldt Bay Sea Level Rise Water Level Extract Program is an Excel application that provides the user with the Humboldt Bay water level elevation data developed for the Humboldt Bay: Sea Level Rise, Hydrodynamic Modeling, and Inundation Vulnerability Mapping project (Northern Hydrology & Engineering, 2015). The model was developed and used to predict water levels within the existing shorelines of Humboldt Bay for five sea level rise scenarios.
- Download the Humboldt Bay Sea Level Rise Water Level Extract Program here (must enable Macros for this Excel application to function properly).
Smart Phone Users/Mobile Devices
Going hiking in the Community Forest or Marsh? Looking for downtown parking? Download Arcata's free mobile maps from Avenza PDF Maps and track your location with a blue "You Are Here" dot. No need for cellular coverage to view these maps and there are no data roaming charges when traveling