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Property and land layers used for mapping and planning

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Understanding land and property layers in Aotearoa

· 4 min read

One of the most common sources of confusion in Māori GIS work is land and property data. Many people assume there is one definitive parcel layer that shows ownership. In reality, there are several layers, each representing something slightly different and some even incomplete.

This post explains the main land and property polygon datasets available through LINZ, what they represent, and how they fit together. It also explains how to identify Crown owned land using the CROSYL dataset.