Sign Regulations in Kauai County, HI (2026)
3 rules for unincorporated Kauai County, Hawaii.
Verified from official government sources
Political Signs
Kaua'i (Kaua'i County) exempts political campaign signs from its sign permit, but § 15-4.6(a)(2) still caps their size at the ordinance's zoning-district limits, bans posting inside any public road or highway right-of-way, and forbids blocking a sidewalk or pedestrian walkway. Violators risk a $50 administrative fine or removal by the County Engineer.
Political Campaign Sign Rules on Kaua'i
Some RestrictionsKaua'i County Code § 15-4.6(a)(2)
Political Campaign Sign. Any sign which: ... Identifies the headquarters of a political candidate, and shall not exceed the size limitation set forth in Section 15-4.5(b). ... Identifies and/or provides information about a political candidate or issue to be voted upon. It shall not be posted within the street right-of-way boundary of any public road or highway and shall not block, obstruct or i...
Digital Billboards
Kaua'i (Kaua'i County) outlaws every aerial, flashing, moving, or roof sign, the categories that cover digital and animated billboards, under § 15-4.4 of the county code. Any sign not expressly listed as permitted or exempt in the county's sign ordinance is likewise unlawful unless the County Engineer's Board of Appeals grants a variance.
Digital and Flashing Signs Banned on Kaua'i
Heavy RestrictionsKaua'i County Code §§ 15-4.3, 15-4.4(a)-(e)
"Flashing sign"means any lighted sign, as defined below, which, while in use, changes its light intensity or color. ... It shall be unlawful to erect or maintain: ... Any aerial, flashing, moving, or roof sign; ... Any portable, wind, or off-premises sign; and ... Any other sign which is not permitted or not exempted under this Article, except if a variance for such has been obtained pursuant t...
Window Signs
In the Rice Street Neighborhood Design District, Kaua'i County Code § 10-5A.7(p) bars oversized product ads or posters from blocking views into storefront windows and caps every façade sign at ten percent of the wall it hangs on. The same subsection bans flashing, rotating, inflatable or interior-lit plastic signs and keeps all signage off the roof, folding storefront visibility into the district's broader design review.
Kaua'i's Rice Street Window Sign Limit
Some RestrictionsKaua'i County Code § 10-5A.7(p)(8)-(9)
Views into storefront windows shall not be obstructed by oversized product advertisement signage or posters. ... Maximum gross area of a sign on a façade shall not exceed ten percent (10%) of the façade area.
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