Composting: Honolulu vs Pearl City
How do composting rules compare between Honolulu, HI and Pearl City, HI?
Honolulu and Pearl City have similar restriction levels.
Honolulu, HI
Honolulu County
Honolulu County mandates food waste recycling under ROH Sec. 42-3.5, with Ordinance 23-30 adding curbside food scrap collection island-wide by April 1, 2025 through the G.R.O.W. Program.
View full Honolulu rules →Pearl City, HI
Honolulu County
Pearl City residents follow ROH Sec. 42-3.5 food waste recycling and the G.R.O.W. curbside program, with home composting allowed for Waimalu and Manana yards.
View full Pearl City rules →Key Facts Comparison
| Fact | Honolulu | Pearl City |
|---|---|---|
| Code section | ROH Sec. 42-3.5 | - |
| Ordinance | Ord. 23-30 (Bill 47) | - |
| Program | G.R.O.W. curbside | G.R.O.W. food scrap program |
| Start date | April 1, 2025 | - |
| Commercial mandate | Yes for food establishments | - |
| Code | - | ROH Sec. 42-3.5 |
| Curbside start | - | April 1, 2025 |
| Commercial | - | Mandatory diversion rules |
Highlighted rows indicate differences between cities.
Honolulu FAQ
Do I have to separate food scraps in Honolulu County?
Yes, as the G.R.O.W. Program rolls out island-wide. Commercial food establishments must already divert food waste under Ordinance 23-30 and ROH Sec. 42-3.5.
Can I still backyard compost?
Yes. Home composting on private property remains unregulated and is encouraged as an alternative to curbside diversion across Oahu.
Pearl City FAQ
Can Pearl City condos set up shared compost bins?
Yes, subject to HOA approval and ROH Sec. 42-1.4 refuse placement rules. Well-managed shared bins can reduce the number of green-bin pickups needed.
Do Pearlridge restaurants have to compost?
Commercial food establishments have mandatory food-waste diversion obligations under ROH Sec. 42-3.5, including participating mall food-court tenants.
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