Data sources

How Parcel View uses CGS geology layers

CGS publishes fault, liquefaction, landslide, and related hazard information used in California planning. Parcel View screens available public services as diligence signals.

Updated 2026-08-29

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Useful sources for searching: Official sources to verify buildability ↓

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Mapped zones often trigger geologic or geotechnical study requirements before permits.

People also ask

Is a CGS zone a ban on building?

Usually no—it triggers investigation and design standards.

Official sources

Last verified 2026-08-29. Re-check agency maps before decisions — vintages change.

Related

Liquefaction Fault zone

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Parcel View checks official public GIS for zoning, flood, fire, soils, and planning — every finding linked to the source.

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