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Find county GIS and property maps

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 · Los Angeles

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California58 counties

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

County government · Los Angeles

Los Angeles County Planning — GIS-NET Public

Unincorporated Los Angeles County; excludes its 88 incorporated cities.

Los Angeles County Planning — GIS-NET PublicOfficial 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 Los Angeles · Los Angeles County GIS-NET Public (opens in a new tab)

Actual county GIS/planning unit and programme scope

GIS-NET Public is an interactive mapping application that features spatial tools and planning and zoning information for the Unincorporated communities and territory of Los Angeles County (i.e., areas not incorporated into one of the County’s 88 cities). This application was developed by the GIS Team at LA County Planning.

Saved evidence: da58fe6929cbadf8 · Agent source review

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