Supreme Court of California

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Sierra Club v. Superior Court, S194708

The superior court improperly denied plaintiff's petition for writ of mandate to compel defendant-county to provide the OC Landbase, a geographic information system (GIS) database in a GIS file format as a public record for a fee covering only the direct cost of duplication, where: 1) although GIS mapping software falls within the ambit of the computer software exclusion under the California Public Records Act, a GIS-formatted database like the OC Landbase at issue here does not; and 2) accordingly, such databases are public records that, unless otherwise exempt, must be produced upon request at the actual cost of duplication.

Appellate Information

  • Decided 07/08/2013
  • Published 07/08/2013


  • LIU


  • Supreme Court of California