Heritage & Protected Trees: Honolulu vs Mililani Mauka
How do heritage & protected trees rules compare between Honolulu, HI and Mililani Mauka, HI?
Honolulu and Mililani Mauka have similar restriction levels.
Honolulu, HI
Honolulu County
Honolulu's Exceptional Tree Ordinance (ROH Chapter 41) protects individually designated specimens for age, rarity, size, historic, or aesthetic value. Designation is by City Council resolution after Outdoor Circle and Arborist Advisory Committee review. Removal or major pruning requires a permit and may require Council action; tax credits up to $3,000 incentivize care.
View full Honolulu rules →Mililani Mauka, HI
Honolulu County
Mililani Mauka trees designated under ROH Chapter 40 Article 8 as Exceptional Trees cannot be removed without City Council approval, and any alteration requires a Department of Parks and Recreation permit.
View full Mililani Mauka rules →Key Facts Comparison
| Fact | Honolulu | Mililani Mauka |
|---|---|---|
| Designation | City Council resolution after AAC review | - |
| Protection | Removal and major pruning require permit | - |
| Tax credit | Up to $3,000 per Exceptional Tree for care | - |
| Notice | Council public hearing prior to designation | - |
| Register | Maintained by Honolulu Department of Parks | - |
| - | - |
Highlighted rows indicate differences between cities.
Honolulu FAQ
How do I know if a tree is Exceptional?
Check the City Department of Parks and Recreation Exceptional Tree register. Each designated tree has a Council resolution number and is typically marked with a metal plaque or sign on or near the trunk.
Can I prune my Exceptional Tree?
Routine maintenance pruning is allowed, but any major pruning, crown reduction, or root cutting requires a permit from the Department of Parks and a certified arborist plan.
Does the tax credit really work?
Yes – owners of designated Exceptional Trees can claim up to $3,000 per tree per year in real-property tax credits for documented professional arborist care, making the designation a net financial positive for many owners.
Mililani Mauka FAQ
How do I check if a tree is exceptional?
Consult the Register of Exceptional Trees at the Department of Parks and Recreation or contact their Urban Forestry staff.
Does MTA approval help for exceptional trees?
No. Exceptional trees require city permits and Council approval regardless of MTA covenants or private landowner status.
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