Quiet hours in Pinal County, AZ — also called the noise ordinance, nighttime noise rules, or residential quiet time — define the hours during which excessive noise is prohibited.
Unincorporated Pinal County caps residential noise at 60 dBA daytime (7am-8pm) and 55 dBA at night (8pm-7am), measured at the property line. Cities like Casa Grande, Maricopa, Florence and Apache Junction set their own quiet hours.
The Pinal County Excessive Noise Ordinance (050306-ENO, as amended) applies only in unincorporated areas. Table 1 sets Leq limits by zoning district measured at the property line: Residential 60 dBA 7am-8pm / 55 dBA 8pm-7am; Rural 65 dBA 7am-9pm / 60 dBA 9pm-7am; Commercial 65/60; Industrial 70/65. Limits are measured over a two-minute Leq interval with a Type 2 sound-level meter. Violations are prosecuted as the class 1 misdemeanor of disorderly conduct under A.R.S. 13-2904, plus a civil infraction with fines up to $750 per day.
Class 1 misdemeanor (disorderly conduct, A.R.S. 13-2904) and/or civil infraction fines up to $750; each day is a separate offense.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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