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Browse official GIS tools, assessor map information and county map referrals. Some entries provide instructions or map indexes rather than an interactive GIS viewer.

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  • Start with the jurisdiction of the property. County permit offices may serve only unincorporated areas.
  • Use the official map and confirm project requirements with the planning or building office.

1 guide with reviewed service links · San Luis Obispo

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U.S. Census boundaries via U.S. Atlas · 2017 edition, simplified for display.

County government · San Luis Obispo

San Luis Obispo County Information Technology — GIS

County GIS/planning resource. The map is informational; confirm property jurisdiction, layer accuracy and project requirements with the responsible office.

San Luis Obispo County Information Technology — GIS (opens in a new tab)Official instructions

Official county GIS/planning information and map resources. Follow the source’s terms, map limitations and jurisdiction; this guide does not determine legal parcel boundaries.

Source checked October 26, 2026

County of San Luis Obispo · San Luis Obispo County Geographic Information Systems (opens in a new tab)

Actual county GIS/planning unit and programme scope

The GIS team within the Information Technology Department (ITD) is dedicated to supporting the enterprise GIS environment and specialized mapping and analysis projects. Our focus on all aspects of GIS needs at the county allows us to be the trusted partner in support of countywide and department specific GIS projects.

Saved evidence: 5e99a21fc68b6117 · Agent source review

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