Construction Hours: Altadena vs Los Angeles
How do construction hours rules compare between Altadena, CA and Los Angeles, CA?
Altadena and Los Angeles 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 →Los Angeles, CA
Los Angeles County
Construction allowed Monday–Friday 7 AM–9 PM, Saturdays and holidays 8 AM–6 PM. No construction outside these hours. LAMC §41.40.
View full Los Angeles rules →Key Facts Comparison
| Fact | Altadena | Los Angeles |
|---|---|---|
| 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 | - |
| Code | - | LAMC §41.40 |
| Mon–Fri | - | 7 AM–9 PM |
| Sat/Holidays | - | 8 AM–6 PM |
| Sundays | - | No construction noise permitted |
| Violation | - | Misdemeanor |
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.
Los Angeles FAQ
What are the allowed construction hours in los Angeles?
Construction allowed Monday–Friday 7 AM–9 PM, Saturdays and holidays 8 AM–6 PM. No construction outside these hours. LAMC §41.40.
Can construction work happen on weekends in los Angeles?
Code: LAMC §41.40. Mon–Fri: 7 AM–9 PM. Sat/Holidays: 8 AM–6 PM. Sundays: No construction noise permitted.
Compare other topics
See how Altadena and Los Angeles compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool