Piscataway, NJ Fence Regulations: Height Limits (2026)

Section 21-619.1 governs fences in every residential zone: a fence in the front yard area that restricts visibility cannot exceed 4 feet in height or be more than 50% solid, protecting sightlines for drivers and pedestrians. A corner lot gets a specific carve-out: the fencing that runs along the street frontage other than the side with the architectural front door or main entrance, treated as a side yard for this purpose, may extend into the front yard setback area for a distance equal to half of the zone's required front yard setback, letting homeowners enclose more of a side-street yard than an interior lot could enclose facing its single street.

Section 21-619.2 sets separate, taller limits for commercial and industrial districts: a wall or fence may not exceed 6 feet in height, except that a wall or fence located behind the front yard setback line may rise to 8 feet, giving businesses more height once the fence sits back from the street. Any fence on a corner lot, residential or nonresidential, must also conform to the clear-view sight-triangle rule at Section 21-606, which bars any fence, hedge or wall taller than 2.5 feet above curb level within the triangular area formed at a street intersection, with the triangle's dimensions set by whether the intersecting roads are state, county or local streets.

Fences in Piscataway must also be installed with the finished side facing outward under Section 21-619.5, and barbed wire or metal spikes are barred outright under Section 21-619.3.