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Fence Regulations in Mililani Mauka, HI (2026)

6 verified fence regulations for Mililani Mauka, Hawaii, sourced directly from the municipal code and official government pages.

Verified from official government sources

Height Limits

Mililani Mauka fences follow ROH Sec. 21-4.60, which triggers added setback or landscaping rules once a front-yard fence, wall, or hedge exceeds 36 inches in height.

Fence Heights in Mililani Mauka

Some Restrictions

Permit Requirements

ROH Sec. 18-3.1 sets the city permit thresholds for Mililani Mauka fences and walls, with narrow exemptions for retaining and riprap walls under 30 inches.

Mililani Mauka Fence Permit Requirements

Some Restrictions

Neighbor Fence Rules

ROH Sec. 21-4.30 governs what Mililani Mauka neighbors can build in required yards along shared property lines, with the city relying on yard and height sections rather than a spite-fence statute.

Shared Fence Lines in Mililani Mauka

Some Restrictions

Retaining Walls

ROH Sec. 21-4.40 limits fill-retaining walls in Mililani Mauka yards to six feet and combines terraced wall heights, important on the community's sloped Central Oahu grades.

Retaining Walls in Mililani Mauka

Heavy Restrictions

Pool Barriers

ROH Sec. 16-6.2 requires Mililani Mauka residential pools to be fully enclosed by a compliant fence or protective device to prevent unsupervised access by young children.

Mililani Mauka Pool Barrier Rules

Heavy Restrictions

Material Restrictions

ROH Sec. 21-4.60 defines fences to include wrought iron, wire, wood, vinyl, and plastic, but the Mililani Mauka HOA design code narrows the palette considerably.

Fence Materials Accepted in Mililani Mauka

Some Restrictions

Looking for Honolulu County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Mililani Mauka city rules.

Fence Regulations in Honolulu County