Decibel Limits: Green Valley vs Tucson
How do decibel limits rules compare between Green Valley, AZ and Tucson, AZ?
Green Valley has fewer restrictions than Tucson.
Green Valley, AZ
Pima County
Pima County has no general decibel limits for unincorporated areas. Industrial zone performance standards exist. ARS 13-2916 uses a reasonable person standard for enforcement.
View full Green Valley rules →Tucson, AZ
Pima County
Tucson City Code Chapter 16 sets maximum sound levels by zone and time of day: 62 dBA residential daytime, 52 dBA residential nighttime, 67 dBA commercial daytime, 62 dBA commercial nighttime, 72 dBA industrial daytime, and 67 dBA industrial nighttime. Measurements are taken at the receiving property line, not at the noise source.
View full Tucson rules →Key Facts Comparison
| Fact | Green Valley | Tucson |
|---|---|---|
| County dBA Limits | None established | - |
| State Law | ARS 13-2916 (reasonable person) | - |
| Industrial Zones | Performance standards apply | - |
| Enforcement | Pima County Sheriff | - |
| Residential Day | - | 62 dBA, 7 AM to 10 PM |
| Residential Night | - | 52 dBA, 10 PM to 7 AM |
| Commercial | - | 67 dBA day, 62 dBA night |
| Industrial | - | 72 dBA day, 67 dBA night |
| Measurement | - | A-weighted at receiving property line |
Highlighted rows indicate differences between cities.
Green Valley FAQ
Does unincorporated Pima County have decibel limits?
No. There are no county-wide dBA thresholds. ARS 13-2916 uses a reasonable person standard. Industrial zones have performance standards at zone boundaries.
How is residential noise measured?
There is no formal measurement protocol for residential noise in unincorporated Pima County. Complaints are evaluated by the Sheriff under ARS 13-2916 subjective standards.
Tucson FAQ
Where does Tucson measure decibels for noise complaints?
At the receiving property line, not at the source. A residence next to a commercial lot is protected by residential limits at their shared boundary.
What counts as nighttime in Tucson noise rules?
Nighttime runs from 10 PM to 7 AM every day. Residential nighttime cap is 52 dBA, which is roughly the sound of a quiet office or a running refrigerator.
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