Hawaii County allows a perimeter fence up to six feet on the property line with no setback, but any fence over six feet must stay out of required yards, and no fence may block complete access around a main building.
Under Zoning Code 25-4-43, a perimeter fence or wall six feet or less may sit anywhere on the site with no yard requirement, while a fence or wall over six feet becomes an accessory structure that may not extend into any required front, side, or rear yard (25-4-43(c)). Subsection (b) requires that no fence, wall, or obstruction be placed, or lack gates or openings, so as to block complete access around any main building at all times. Corner lots must also honor the three-foot sight-triangle rule (25-4-42(b)). These requirements apply island-wide through the County.
Fences that block building access or intrude into required yards can be cited by the Planning Department and must be modified, relocated, or removed.
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