Structure Height Limits: East Honolulu vs Pearl City
How do structure height limits rules compare between East Honolulu, HI and Pearl City, HI?
East Honolulu and Pearl City have similar restriction levels.
East Honolulu, HI
Honolulu County
East Honolulu structure height is governed by ROH 21-4.60 with residential building envelope planes referenced in 21-3.70-1, typically 25 to 30 feet to protect ridge and ocean view corridors.
View full East Honolulu rules →Pearl City, HI
Honolulu County
Pearl City structure heights follow ROH 21-4.60 with residential envelope planes in 21-3.70-1, typically 25 feet in R-5 districts covering Waiau, Manana, and the core Pearl City CDP.
View full Pearl City rules →Key Facts Comparison
| Fact | East Honolulu | Pearl City |
|---|---|---|
| R-5 height | 25 feet typical | 25 feet typical |
| R-10 height | 30-foot envelope | - |
| Code section | ROH 21-4.60 | ROH 21-4.60 |
| District companion | ROH 21-3.70-1 | - |
| R-7.5/R-10 | - | 30-foot envelope |
| Airspace overlay | - | FAA Part 77 |
Highlighted rows indicate differences between cities.
East Honolulu FAQ
How tall can a Hawaii Kai home be?
Most East Honolulu residential districts cap structure height at 25 to 30 feet under ROH 21-4.60 and 21-3.70-1 envelope planes. Hawaii Loa Ridge lots typically fall under the 30-foot R-10 standard.
Do ridge lots face view-corridor review?
Yes. DPP scrutinizes Hawaii Loa Ridge, Mariners Ridge, and Kuliouou ridge homes for view impacts. Envelope plane rules in 21-4.60 and 21-3.70-1 are enforced strictly to protect neighboring view corridors.
Pearl City FAQ
How tall can a Pearl City home be?
Most Pearl City residential districts cap structure height at 25 feet in R-5 and 30 feet in R-7.5 and R-10 under ROH 21-4.60 and 21-3.70-1 envelope planes. FAA limits may apply near flight paths.
Does proximity to Pearl Harbor affect height?
Yes. FAA Part 77 imaginary surfaces may restrict absolute building height near the Joint Base approach corridors. Homes in some Pearl City areas must review both ROH and FAA limits before adding stories.
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