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Noise Ordinances in Concord, CA (2026)

2 verified noise ordinances for Concord, California, sourced directly from the municipal code and official government pages.

Verified from official government sources

Leaf Blower Rules

Lawn and garden equipment in Concord may be operated Monday through Friday from 7:30 AM to 6:00 PM, Saturdays from 8:00 AM to 5:00 PM, and Sundays from 9:00 AM to 5:00 PM. Professional landscapers and homeowners must comply, and all equipment must meet noise ordinance decibel limits at the property line.

Noise: Lawn Equipment Hours

Some Restrictions

Cal. Health & Safety Code § 43018.11 (AB 1346, 2021 - Small Off-Road Engines)

Small off-road engines (SORE), which are used primarily in lawn and garden equipment, emit high levels of air pollutants, including oxides of nitrogen (NOx), reactive organic gases (ROG), and particulate matter (PM). NOx and ROG together contribute to formation of ozone, a criteria pollutant with a national ambient air quality standard set by the United States Environmental Protection Agency (U...

Vehicle Noise

Vehicle noise in Concord is governed primarily by California Vehicle Code sections that limit exhaust noise, prohibit modified mufflers, and cap amplified sound audible at 50 feet. Concord Police enforce these alongside local ordinance provisions prohibiting revving, racing, and extended idling in residential areas.

Noise: Vehicle Noise

Some Restrictions

California Vehicle Code § 27150

(a) Every motor vehicle equipped with an internal combustion engine and subject to registration shall at all times be equipped with an adequate muffler in constant operation and properly maintained to prevent any excessive or unusual noise, and no muffler or exhaust system shall be equipped with a cutout, bypass, or similar device. (b) Except as provided in Division 16.5 (commencing with Sectio...

Looking for Contra Costa County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Concord city rules.

Noise Ordinances in Contra Costa County