A neighbourhood boundary is a polygon (often a MultiPolygon) describing the geographic extent of a named neighbourhood. Boundaries let you determine whether a point falls inside a neighbourhood, render the area on a map, or aggregate data within it.
Neighbourly anchors every listing, permit and business to a neighbourhood through a consistent geopolitical hierarchy, and stores boundaries as pre-computed geometry so viewport and point-in-polygon queries are fast.
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Neighbourhood Boundary is part of the Neighbourly data platform. Explore the API or browse the data layers.