Construction Hours: Altadena vs Carson
How do construction hours rules compare between Altadena, CA and Carson, CA?
Altadena and Carson have similar restriction levels.
Altadena, CA
Los Angeles County
LA County Code Section 12.08.440 limits construction noise in residential areas to 7:00 a.m.–8:00 p.m. weekdays and 8:00 a.m.–8:00 p.m. on Saturdays. No construction is allowed on Sundays or county holidays.
View full Altadena rules →Carson, CA
Los Angeles County
Construction activity in Carson is governed by LA County Code §12.08.440 (adopted via CMC Art. 4 Ch. 5). Construction is generally prohibited between 7:00 p.m. and 7:00 a.m. on weekdays, before 8:00 a.m. on Saturdays, and at any time on Sundays and federal holidays unless a special permit is issued.
View full Carson rules →Key Facts Comparison
| Fact | Altadena | Carson |
|---|---|---|
| Code Section | LA County Code 12.08.440 | - |
| Weekday Hours | 7 a.m. – 8 p.m. | - |
| Saturday Hours | 8 a.m. – 8 p.m. | - |
| Sunday/Holiday | Prohibited | - |
| Weekday construction allowed | - | 7:00 a.m. - 7:00 p.m. |
| Saturday construction allowed | - | 8:00 a.m. - 5:00 p.m. |
| Sundays/federal holidays | - | Prohibited (no permit) |
| Mobile equipment limit | - | 75 dBA at 50 ft (LA County §12.08.440) |
| Stationary equipment limit | - | 60 dBA at residential property line |
Highlighted rows indicate differences between cities.
Altadena FAQ
When can contractors start work in Altadena?
7 a.m. on weekdays, 8 a.m. on Saturday — Sundays and county holidays are off-limits under LA County Code 12.08.440.
Carson FAQ
Can my contractor work on Sundays in Carson?
No. LA County Code §12.08.440 (adopted by Carson) prohibits construction noise on Sundays and federal holidays without a special permit.
What about emergency repairs?
Emergency work necessary to protect health, safety, or property is exempt from the hour restrictions, but the contractor should notify Carson Code Enforcement or LA County Sheriff.
Are CalTrans/freeway projects exempt?
Public works projects performed by or under contract to a public agency may operate under separate noise variance provisions in LA County Code §12.08.
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