Wayne, NJ Building Safety: Anti-Mansionization (2026)

The Code of the Township of Wayne has no provision that uses the word mansionization. What limits oversized houses in R-45 is the floor area ratio in § 134-32.2 G, which § 134-2.2 defines as the gross floor area compared to the total area of the site. For standard lots the ratio is 0.22. Substandard lots get a stepped schedule that lets smaller lots build proportionally more: 0.26 for lots less than 45,000 but greater than 10,000 square feet, 0.28 for lots of 10,000 square feet, 0.29 for lots less than 10,000 but greater than 7,500 square feet, 0.31 for lots less than or equal to 7,500 but greater than 6,500 square feet, and 0.33 for lots of 6,500 square feet or less.

The ratio is one of several bulk limits that all apply. Section 134-32.2 F caps the building at 35 feet and 2 1/2 stories, subsection H caps impervious coverage at 40%, subsection I caps impervious coverage inside the required front yard at 35% of the front yard area, and subsection D sets the yards, including a 60 foot rear yard. A teardown rebuild has to satisfy every one of these, so a design that fits the ratio can still fail on height or coverage.

Subsection J protects owners of older nonconforming homes. In conjunction with § 134-61.2 A, the reconstruction of any nonconforming structure is permitted without the need for lot width, lot depth or lot area variance relief, provided that all other applicable bulk criteria and floor area ratio criteria are otherwise met. The ratio therefore cannot be waived by that route.

Wayne Township's other residential districts print their own ratios in their own bulk sections; a later district, for example, prints 0.28 for standard lots. Under § 134-26.3 B(1)(e) the Zoning Officer must issue a zoning permit, indicating whether the request meets Chapter 134, before a building permit is issued.