Hackensack regulates retaining walls through building and zoning codes. Walls over 4 feet typically require engineered design and a building permit. Walls must address drainage, structural stability, and setbacks from property lines, with construction inspections at key stages.
Retaining walls in Hackensack must comply with the New Jersey Uniform Construction Code and local zoning. Walls exceeding 4 feet in height, measured from the bottom of the footing to the top of the wall, generally require engineered drawings stamped by a licensed New Jersey professional engineer. Building permits are required, and the Construction Office may require multiple inspections including footing, drainage, and final. Walls must be set back from property lines and may not direct surface water onto neighboring properties. Tiered or terraced walls may be treated as a single wall depending on horizontal separation. Combination wall-and-fence systems must meet both retaining wall and fence height rules.
Unpermitted walls or walls failing inspection may be ordered removed or modified. Drainage damage to neighbors can trigger civil claims plus municipal enforcement and fines.
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Side-by-side rule comparisons with other cities in Bergen County.
See how other cities in Bergen County handle retaining walls.
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