Sign Regulations in Honolulu County, HI (2026)

3 county-level rules, plus city-specific rules for 10 cities in Honolulu County, Hawaii.

Verified from official government sources

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

Political Signs

Political campaign signs across Oahu are regulated as temporary signs under ROH Sec. 21-7.20, with size and placement limits that vary by zoning district.

Political Sign Standards

Few Restrictions

Full ordinance details →Official source ↗

Garage Sale Signs

Garage sale signs on Oahu are temporary announcing signs under ROH Sec. 21-7.20, exempt from permits but barred from the public right-of-way under Sec. 21-7.30.

Garage Sale and Temporary Signs

Few Restrictions

Full ordinance details →Official source ↗

Holiday Displays

Honolulu has no dedicated holiday display ordinance; seasonal decorations are treated as temporary signs under ROH Sec. 21-7.20 with district-specific limits in Sec. 21-7.40.