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Find GIS Resources and Online Interactive Maps




About This Page

Organized similar to other pages on this site, the California GIS Map & Information Sites page will provide you with links to county and city resources for online Geographic Information Systems ("GIS") mapping and information.  GIS Interactive mapping will include overlays of selected services in the mapped area and in some cases satellite photos of the mapped site.  Some counties are just developing their GIS projects.  The GIS mapped data sets and types of maps available vary widely from county to county.  Some counties have a GIS division, others provide specific GIS maps through different county departments.

When there is no link for a County's GIS mapping, you might still try using the County link to see if one exists.   GIS maps and related data are typically found in the county departments for Public Works, Planning, or Assessor, but they might be found elsewhere..

Please see the Disclaimer Notice at the bottom of this page.  The links here are provided solely as a courtesy to enable easy navigation to the referenced sites.



     Alameda County Assessor's Office Parcel Maps
Alameda Co Environmental Health
GIS for Underground Storage Tanks
     Alpine County  
     Amador County GIS
     Butte County GIS Traffic Collision Data
     Calaveras County  GIS
     Contra Costa County Mapping Information Center
     Colusa County Clerk  
     Del Norte County  
     El Dorado County GIS Map Library
     Fresno County Maps & GIS Information
     Glenn County GIS Maps
     Humboldt County GIS Data Download
     Imperial County Assessor's GIS
     Inyo County Interactive Mapping
     Kern County GIS
     Kings County GIS
     Lake County GIS Mapping
     Lassen County  
     Los Angeles County Land Records Information (Parcels, tracts, other)
Los Angeles Maps & GIS
     Madera County Maps Online
     Marin County  View Parcel Maps
     Mariposa County GIS Parcel Data Requests
     Mendocino County Industrial Land Survey
     Merced County Assessor Parcel Maps
SUDP & Community Maps
     Modoc County  
     Mono County Static Map Library
     Monterey County City of Monterey GIS Portal
     Napa County GIS Information
     Nevada County GIS Interactive Parcel Maps
GIS Division
     Orange County Geometrics & Land Information System
     Placer County Online GIS Home
     Plumas County Assessor Parcel Search
GIS Mapping Service - Parcel Viewer
     Riverside County GIS Home
     Sacramento County GIS Home
     San Benito County GIS Home
     San Bernardino County Geographic Information Systems 
     San Diego County Land Use & Environment Group
     San Francisco County GIS Parcel Maps
     San Joaquin County GIS Maps and Services
     San Luis Obispo County City of San Luis Obispo GIS Home
County Planning - Parcel & Zoning Lookup  
     San Mateo County GIS Map Atlas
     Santa Barbara County GIS Maps & Catalog
     Santa Clara County Geographic Information Services Page
Santa Clara Supervisorial Map - Interactive
     Santa Cruz County Geographic Information System Page
     Shasta County GIS Interactive Map Viewer & County Roads Index
Downloadable GIS Data
     Sierra County GIS - Geographic Information System
     Siskiyou County  
     Solano County GIS Home Page
Solano County Maps
     Sonoma County Sonoma County GIS Central   
     Stanislaus County Assessor Parcel Maps
County GIS Page
     Sutter County  
     Tehama County Maps & Presentations
     Trinity County Planning Dept. (w/links to GIS info)
Trinity Co 911 Road Maps
     Tulare County GIS Maps
     Tuolumne County Geographic Information System
     Ventura County Maps & Data
     Yolo County Geographic Information System
     Yuba County GIS Web Portal
     Other California GIS References Cal Poly Library Services - GIS Map Services
CalTrans GIS Data Library
Cal-Atlas Geospatial Clearinghouse



Federal Resources
California Resources
Fresno Resources
Reference Tools
Resource Links for Factual Research

All States:
Secretary of State - Searches
Professional Licensing - Searches
California Counties:
Tentative Rulings / Dockets
Fictitious Business Name / Official Records
GIS Mapping Sites



The purpose of this web page is simply to communicate and provide information to assist persons in locating county government web sites and online databases.  This website is purely a public resource of general information which is intended, but not promised or guaranteed, to be correct, complete, and up-to-date.  The owner of this website has no control over the third-party sites to which links are provided and makes no guaranty, representation or warranty concerning the information found on those third-party sites.  Nothing contained in the pages of this web site should be construed as legal advice.  Persons needing legal advice are encouraged to contact a licensed attorney.

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