Quiet Hours: Denver vs Phoenix
How do quiet hours rules compare between Denver, CO and Phoenix, AZ?
Denver and Phoenix have similar restriction levels.
Denver, CO
Denver County
Denver DRMC Chapter 36 sets quiet hours 11 PM–7 AM in residential zones. Residential limit is 55 dBA daytime, 50 dBA nighttime. Violations can reach $5,000/day.
View full Denver rules →Phoenix, AZ
Maricopa County
Phoenix quiet hours are 11 PM–7 AM under City Code §23-14: radios, musical instruments, yelling, and amplified sound are prohibited when they disturb residents. Phoenix uses a qualitative 'unreasonably loud' standard, not fixed residential dBA limits. Construction noise has separate seasonal windows (6 AM/7 AM start, 7 PM stop).
View full Phoenix rules →Key Facts Comparison
| Fact | Denver | Phoenix |
|---|---|---|
| Quiet Hours | 11 PM–7 AM (residential) | 11 PM to 7 AM |
| Residential Daytime Limit | 55 dBA | - |
| Residential Nighttime Limit | 50 dBA | - |
| Code Section | DRMC Chapter 36 | - |
| Max Fine | $5,000/day | - |
| Standard | - | Qualitative (unreasonably loud) |
| Equipment | - | 80 dBA max (new) |
| State Law | - | ARS §13-2916 |
Highlighted rows indicate differences between cities.
Denver FAQ
What are the quiet hours in Denver?
Denver DRMC Chapter 36 sets quiet hours 11 PM–7 AM in residential zones. Residential limit is 55 dBA daytime, 50 dBA nighttime. Violations can reach $5,000/day.
What happens if I violate the noise ordinance in Denver?
Quiet Hours: 11 PM–7 AM (residential). Residential Daytime Limit: 55 dBA. Residential Nighttime Limit: 50 dBA. Code Section: DRMC Chapter 36.
Phoenix FAQ
What are the quiet hours in Phoenix?
Phoenix enforces quiet hours under Chapter 23 of the City Code. Amplified music restricted 11 PM to 7 AM. Noise regulations are primarily qualitative ('unreasonably loud') rather than strict decibel thresholds for residential areas.
What happens if I violate the noise ordinance in Phoenix?
Quiet Hours: 11 PM to 7 AM. Standard: Qualitative (unreasonably loud). Equipment: 80 dBA max (new). State Law: ARS §13-2916.
Compare other topics
See how Denver and Phoenix 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