This dataset represents the Zoning Base layer for the 25 municipalities in Middlesex County. This is the default zoning district. Where overlay zoning exists, this is the underlying zoning. The Middlesex County Zoning Base GIS dataset was developed to standardize zoning maps, which are legally adopted by municipalities, and thus exhibit varying levels of detail, accuracy, and currentness, and vary in style. For the Overlay Zoning, see the related Overlay Zoning in Middlesex County, NJ item. See metadata items for more information.This dataset is updated several times per year based on best available information available from municipalities in Middlesex County. For authoritative information, contact the municipality. Municipal governments designate and administer zoning in New Jersey. This data is for information only and final decision making should only occur after consulting with municipalities to confirm the information contained in this dataset.