Construction hours in El Cajon, CA — sometimes called construction noise rules or contractor work-hour ordinances — set when contractors can run power tools, hammers, and heavy equipment.
El Cajon prohibits construction, maintenance, and repair work between 7 PM and 7 AM within residential zones or 500 feet of them. Leaf blowers, mowers, and power tools are included. Emergency repairs are exempt.
ECMC Section 9.44 specifically prohibits operating equipment or performing outside construction, maintenance, or repair work on buildings, structures, landscapes, or related facilities between 7 PM and 7 AM within any residential zone or within a radius of 500 feet from any residential zone. This includes pile drivers, power shovels, pneumatic hammers, power hoists, leaf blowers, mowers, and any other mechanical devices. The restriction does not apply to emergency work necessary to restore property to a safe condition, restore utility service, or protect persons or property from imminent danger. The hot, dry El Cajon Valley climate encourages early-morning yard work, but the 7 AM start time applies.
Construction during prohibited hours is a public nuisance subject to citation and abatement. Emergency exemption must be genuine necessity.
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