Maricopa County, AZ Sign Regulations: Digital Billboards (2026)
Key Facts
- Curfew
- Dark 11 p.m. to sunrise
- Message change rate
- No more than once per 8 seconds
- Evening dimming cap
- 300 nits max
- Allowed zoning districts
- C-2 and C-3 only
- Animation
- No flashing, blinking, or motion
Summary
Unincorporated Maricopa County allows digital billboards only in C-2/C-3 zoning under MCZO Article 1103.3.1, with a mandatory 11 p.m.-to-sunrise lights-out curfew, 300-nit evening dimming cap, and a ban on animation or flashing.
Digital billboards shall adhere to the provisions of Article 1101.3 of this Chapter, except that from 11:00 p.m. until sunrise all digital billboard illumination shall be extinguished, and all digital billboards shall be equipped with an automatic device to assure compliance. ... Display time shall not change-message more than once every 8 seconds. There shall be no animation, flashing, blinking or moving lights. In the transition between copy changes, there shall be no sense of movement from one image to the next.
Full Breakdown
The Maricopa County Zoning Ordinance permits static and digital billboards as a use in C-2 and C-3 districts, subject to separation distances (1,000-3,000 feet between billboards), setbacks from residential zones, parks, and schools, and height/size caps. Digital faces must use down-angled, louvered LEDs, change message no more than once every 8 seconds with no animation, flashing, or sense of movement, dim to 300 nits after sunset, and go completely dark from 11 p.m. until sunrise via an automatic device, except for Amber Alerts or emergencies.
Violations & Fines
The Zoning Inspector enforces compliance. Per Article 1103.3.1(10)(D), a malfunctioning digital sign must be shut off until repaired; a legal nonconforming static billboard cannot be converted to digital without a Special Use Permit under Article 1001.1.21.
Frequently Asked Questions
Can a digital billboard flash or animate in unincorporated Maricopa County?
Is there a nighttime curfew for digital billboards?
Sources & Official References
Other rules in Maricopa County
Compare Maricopa County to another location·View the Arizona sign regulations overview
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