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Compton, CA Noise Ordinances: Construction Hours (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Construction hours in Compton, CA, sometimes called construction noise rules or contractor work-hour ordinances, set when contractors can run power tools, hammers, and heavy equipment.

Key Facts

Permitted hours
7:00 a.m.-7:00 p.m., Monday-Saturday
Sunday construction noise
not permitted outdoors
Emergency permit
from Building Official, max 3 days
Renewable
so long as the emergency exists
Equipment covered
pile drivers, steam shovels, hoists, hammers

Summary

Compton confines noisy building work, pile driving and excavation to 7:00 a.m.-7:00 p.m., Monday through Saturday, under Municipal Code Section 7-12.22, unless the noise stays fully enclosed inside a building or the Building Official issues a short emergency permit.

No person shall cause or permit any work to be done or do any work on the erection (including excavation), unless the noise caused thereby is confined within a building, or use any pile driver, steam shovel, pneumatic hammer, derrick, steam or electric hoist, unless the noise caused thereby is confined within a building, other than between the hours of 7:00 a.m. and 7:00 p.m. on Monday through Saturday, except in cases of urgent necessity in the interest of public health and safety and then only with a permit from the Building Official. No such permit shall be granted for a period of more than three days, but may be renewed from time to time so long as the emergency exists.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4952997; v15 updated 2026-07-14; through 07-14-2026).

Full Breakdown

m. Monday through Saturday, unless the resulting noise is confined entirely within a building. That leaves no exterior construction noise permitted at all on Sundays. The only exception is for 'urgent necessity in the interest of public health and safety,' which requires a permit from the Building Official; that permit cannot run longer than three days at a time, though it may be renewed repeatedly as long as the emergency continues. -12:00 midnight Monday through Saturday unless the noise can't be heard beyond 50 feet from the lot.

m. Monday through Saturday and all day Sunday unless confined inside a building, with the same three-day, renewable emergency-permit process run through the Building Department instead of the Building Official.

Violations & Fines

A contractor who runs prohibited equipment outside the permitted hours, or without a Building Official emergency permit, is guilty of a misdemeanor under Section 7-12.5, punishable under Chapter 1, Section 1-6.2 by a fine up to $1,000 and up to six months in jail. Each day the work continues outside the legal window is charged as a separate offense, and the City may also seek a civil injunction to stop the noise as a nuisance.

Frequently Asked Questions

What hours can construction noise legally occur in Compton?
Work involving pile drivers, steam shovels, hoists or pneumatic hammers is limited to 7:00 a.m. to 7:00 p.m., Monday through Saturday, under Section 7-12.22, with no exterior noise from that equipment permitted at all on Sunday unless it's confined inside a building.
Can a contractor ever work outside those hours?
Only with an emergency permit from the Building Official issued for urgent public health or safety necessity. The permit is capped at three days at a time but can be renewed repeatedly as long as the emergency continues.
Are industrial and manufacturing sites held to different hours?
Yes. Section 7-12.23 allows manufacturing noise in M-1 zones or near housing until midnight Monday-Saturday if it can't be heard past 50 feet, while Section 7-12.24 bans pneumatic hammers, chippers and riveting guns in M-1 and M-2 zones from 7 p.m. to 7 a.m. and all day Sunday.
What's the penalty for violating construction hours?
It's a misdemeanor under Section 7-12.5, punishable by up to $1,000 and six months in jail under Chapter 1, Section 1-6.2, and each day of continued violation is prosecuted as a separate offense.

Sources & Official References

Other rules in Compton

All Compton rules

How Compton compares: Cities with the Strictest Construction Hours·California rules heatmap·Compare Compton to another location·View the California noise ordinances overview

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