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San Luis Obispo County, California



Looking for SLO County GIS Data?

  • SLO County Open Data Site - Data repository for all publically available SLO County GIS Data.  
  • San Luis Obispo County GIS Parcels -  The County of San Luis Obispo is engaged in a current project to bring GIS parcel maintenance in-house to the Assessor's Office, however, until then we are unable to distribute these data.  Please contact ParcelQuest, owner of these data, to obtain a copy.  If you are a contractor working for a County department please provide them with your county point of contact for the project. Thank you for your understanding.

    CD-DATA dba ParcelQuest
    193 Blue Ravine Rd., Suite 120
    Folsom, California 95630
    (888) 217-8999
    (916) 817-4110 fax
  •  If you're a GIS professional and would like to consume our REST services, you can access them at:
  • 2011 Aerial Imagery - The County's 2011 aerial imagery was placed in the public domain.  To obtain these data please contact Drew Decker from the USGS at 619-225-6430 or