Chandler requires building permits for retaining walls exceeding 4 feet in height. Engineered plans are needed for taller walls, and combined fence-retaining wall heights are regulated.
Retaining walls in Chandler over 4 feet in height from the bottom of the footing to the top require a building permit and engineered structural plans. Walls supporting surcharge loads may require permits at lower heights. When a fence is placed on top of a retaining wall, the combined height is subject to zoning regulations. Retaining walls must be designed to handle the soil and drainage conditions of the site. Walls near property lines may need setbacks. The Chandler Development Services department reviews retaining wall permits through building plan review.
Unpermitted retaining walls may require retroactive engineering review and permits. Structurally deficient walls may be ordered removed or reconstructed at the owner's expense.
Chandler, AZ
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