Construction hours in Sunnyvale, CA — sometimes called construction noise rules or contractor work-hour ordinances — set when contractors can run power tools, hammers, and heavy equipment.
Sunnyvale permits construction noise Monday through Friday from 7 AM to 6 PM and Saturday 8 AM to 5 PM. No construction on Sundays or major holidays without a special permit from the Building Division.
Under Sunnyvale Municipal Code Chapter 19.48, construction, demolition, and related activities that produce noise audible beyond the project property line are limited to weekdays between 7 AM and 6 PM and Saturdays 8 AM to 5 PM. Sunday and holiday work is prohibited unless the contractor obtains an after-hours construction permit from the Building Division, typically granted only for traffic-sensitive work, utility emergencies, or large commercial projects where daytime operations would be unsafe. Interior work that is inaudible at the property line is generally allowed at any time. Silicon Valley tenant improvement projects along El Camino and Lawrence Expressway frequently trigger complaints, and Public Safety will respond to verify noise levels and work hours.
Contact your local code enforcement office for specific penalty information.
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Side-by-side rule comparisons with other cities in Santa Clara County.
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