Pima County, AZ Noise Ordinances: Construction Hours (2026)
Construction hours in Pima County, AZ, sometimes called construction noise rules or contractor work-hour ordinances, set when contractors can run power tools, hammers, and heavy equipment.
Key Facts
- Residential hours (summer)
- 6 a.m.-7 p.m.
- Residential hours (winter)
- 7 a.m.-7 p.m.
- Weekend/holiday hours
- 7 a.m.-7 p.m.
- Permit authority
- County administrator or designee
Summary
Unincorporated Pima County caps construction and repair work to set daytime hours, with tighter limits near homes and no work allowed without a permit outside those windows.
Other type construction (residential zones): From April fifteenth to October fifteenth, inclusive, all other construction or repair work shall not begin prior to 6:00 a.m. and must stop by 7:00 p.m. each day in, or within five hundred (500) feet of, a residential zone or at such other times as authorized by permit. From October sixteenth to April fourteenth, inclusive, all other construction or repair work shall not begin prior to 7:00 a.m. and must be stopped by 7:00 p.m. each day in, or within five hundred (500) feet of, a residential property or at such other times as authorized by permit.
3. Other type construction (commercial and industrial zones): Construction and repair work in commercial and industrial zones, not within five hundred (500) feet of a residential property, shall not begin prior to 5: 00 a.m. and must stop by 7:00 p.m. or at such other times as authorized by permit.
4. Weekends and holidays excluded: Notwithstanding anything to the contrary herein, construction or repair work shall not begin prior to 7:00 a.m. and must stop by 7:00 p.m., and concrete pouring should not begin prior to 6:00 a.m. and must stop by 7:00 p.m. on any Saturday, Sunday or state or federal holiday, unless such other times are authorized by permit.
C. Permits: Construction and repair work may be conducted at different times and at higher noise levels than otherwise permitted, if upon written
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: 2026 S-64: Contains Supplement, with local legislation through Ordinance 2026-9, passed 7-28-2026, current through 7-28-2026).
Full Breakdown
County Code 9.30.070 bars pile drivers, power shovels, pneumatic hammers, derricks, power hoists and other construction equipment outside set hours. In residential zones or within 500 feet of one, work runs 6 a.m.-7 p.m. (April 15-Oct 15) or 7 a.m.-7 p.m. the rest of the year; commercial/industrial sites start as early as 5 a.m. Weekends and holidays are capped at 7 a.m.-7 p.m. unless the county administrator issues a permit for different hours.
Violations & Fines
Working outside permitted hours without a county-issued permit is a class 1 misdemeanor under 9.30.090; each day of continued violation is a separate offense.
Frequently Asked Questions
Can I get an exception to the construction hours?
Do these hours apply inside Tucson?
Sources & Official References
Other rules in Pima County
How Pima County compares: Cities with the Strictest Construction Hours·Compare Pima County to another location·View the Arizona noise ordinances overview
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