Newark requires a zoning permit for retaining walls up to 4 feet. Walls over 4 feet require a NJ Uniform Construction Code permit (N.J.A.C. 5:23) with engineered plans from a licensed professional.
Retaining walls in Newark are regulated under Chapter 29:6 and the NJ Uniform Construction Code (N.J.A.C. 5:23). Retaining walls 4 feet or less in exposed height require a local zoning permit. Retaining walls exceeding 4 feet in height or those supporting surcharge loads (driveways, structures, or slopes) require a full NJ construction permit and must be designed by a New Jersey licensed professional engineer. Plans must include drainage provisions, soil analysis, and structural calculations. Newark enforces the 2018 International Residential Code (IRC) Section R404.4 through the NJ UCC. Retaining walls along public streets must not create hazards to pedestrians. Property owners are responsible for maintaining retaining walls on their property to prevent collapse or encroachment onto adjacent properties or public right-of-way.
Contact your local code enforcement office for specific penalty information.
Newark, NJ
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See how Newark's retaining walls rules stack up against other locations.
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