Chino has no leaf-blower–specific ban or hour restriction in its Municipal Code; leaf-blower operation is governed by the general exterior noise standards in CMC § 9.40.040 and by California state law. Under California AB 1346, the California Air Resources Board prohibits the sale of new gas-powered small off-road engines (SORE) — including most gas leaf blowers — beginning with model-year 2024.
CMC Chapter 9.40 contains no carve-out for gardening equipment or leaf blowers, meaning operation is permitted any time within the daytime envelope (7 a.m.–10 p.m.) as long as it does not exceed 55 dBA L50 / 75 dBA Lmax at neighboring residential property lines. Commercial backpack gas blowers typically produce 70–80 dBA at 50 ft and can violate the standard if used close to a property line. California AB 1346 (Stats. 2021, ch. 753) directed CARB to adopt regulations requiring most new SORE (under 25 hp) sold in California — including leaf blowers, lawn mowers, chainsaws, and trimmers — to be zero-emission beginning model-year 2024. Existing equipment may continue to be used; the rule restricts sales of new gas SORE, not operation. California allocated $30 million to help small landscapers transition to electric equipment.
Operating a leaf blower outside the 7 a.m.–10 p.m. daytime window, or at levels exceeding CMC § 9.40.040, is a CMC violation enforceable as a public nuisance. Selling or distributing new (model-year 2024+) gas-powered SORE in California violates CARB regulations adopted under AB 1346.
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Chino, CA
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