Which zoning practice is considered illegal due to its incompatibility with surrounding areas?

Spot zoning is considered illegal because it involves the reclassification of a small area of land for a use that is different from the surrounding zoning designation. This practice can create conflicts within a neighborhood or community, as it often allows for uses that are not compatible with the existing character of the area. For instance, if a residential area is zoned for single-family homes and a small parcel within it is designated for commercial use, it can lead to disruptions such as increased traffic, noise, and changes in the aesthetic of the neighborhood.

This type of zoning can undermine the established planning principles aimed at maintaining uniformity and character in land use, which are critical for effective urban development. The legal standing of such practices is often challenged, resulting in spot zoning being viewed unfavorably by courts and planning authorities. Thus, it is recognized as having the potential to harm the integrity of the surrounding areas, leading to its classification as illegal in many jurisdictions.