Construction hours in Fullerton, CA — sometimes called construction noise rules or contractor work-hour ordinances — set when contractors can run power tools, hammers, and heavy equipment.
Per FMC § 15.90.050(A), construction, repair, remodeling, and grading are exempt from decibel limits only between 7:00 a.m. and 8:00 p.m. on any day except Sunday or a City-recognized holiday. Work outside that window must comply with the standard 55/50 dB(A) residential noise caps.
Fullerton restricts construction noise through FMC § 15.90.050 (Activities with Special Provisions). The section grants a daytime-only exemption from the decibel standards for construction, repair, remodeling, grading, and the maintenance of real property (including city and utility crew work). Outside the 7 a.m. to 8 p.m. window - and at any hour on Sundays or City-recognized holidays - the full residential decibel limits in § 15.90.030 apply, effectively prohibiting most powered construction equipment because internal-combustion saws, jackhammers, concrete mixers, and similar tools easily exceed 50 dB(A) at the property line. Section 15.90.050(B) separately requires installation of air conditioning, refrigeration, and pool equipment to be 'certified to be within the provisions of this chapter for night and day operation noise levels,' meaning fixed mechanical equipment must meet the 50 dB(A) nighttime cap. Emergency work and utility-restoration activity are independently exempt under § 15.90.040(A)(4).
After-hours or Sunday/holiday construction noise is a public nuisance under § 15.90.010(B) and may be cited by Code Enforcement or police. Repeat violators on permitted projects can face stop-work orders. AC, refrigeration, or pool-equipment installations failing the night-noise certification under § 15.90.050(B) cannot lawfully operate at night.
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