Sign Regulations in Maricopa County, AZ (2026)

4 county-level rules, plus city-specific rules for 10 cities in Maricopa County, Arizona.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Maricopa County. If you live within an incorporated city, that city's own rules apply — see the city list below.

Political Signs

Political signs in unincorporated Maricopa County are regulated by the MCZO and Arizona state law (ARS 16-1019). Signs may be displayed 60 days before an election and must be removed within 30 days after. Political signs must be placed on private property only, not in public rights-of-way or intersection sight triangles. Arizona law protects the right to display political signs on residential property.

Signs: Political Signs

Few Restrictions

ARS §16-1019

16-1019. Political signs; printed materials; tampering; violation; classification; definitions C. Notwithstanding any other statute, ordinance or regulation, a city, town or county of this state shall not remove, alter, deface or cover any political sign if the following conditions are met: 1. The sign is placed in a public right-of-way that is owned or controlled by that jurisdiction. 2. The s...

Full ordinance details →Official source ↗

Garage Sale Signs

Garage sale signs in unincorporated Maricopa County must comply with the MCZO sign regulations. Temporary signs on private property are generally allowed. Signs may not be placed in county rights-of-way, on utility poles, or in intersection sight triangles. Signs should be removed promptly after the sale ends.

Signs: Garage Sale Signs

Some Restrictions

Full ordinance details →Official source ↗

Holiday Displays

Maricopa County does not have specific regulations limiting holiday displays on residential property in unincorporated areas. Seasonal decorations are generally considered temporary and exempt from sign ordinance requirements. Displays must not create traffic hazards, obstruct sight lines, or violate the noise ordinance (P-23). Arizona law (ARS 33-1808) protects homeowners' rights to display decorations in HOAs.

Signs: Holiday Displays

Few Restrictions

Full ordinance details →Official source ↗

Digital Billboards

Arizona Revised Statutes Section 28-7732 and ADOT outdoor-advertising rules govern digital billboards along controlled-access highways. Maricopa County Zoning Ordinance Chapter 13 regulates off-premise signs in unincorporated areas with size, brightness, and spacing limits.