2024 Hawai'i Floodplain Management Conference
Thursday, 11/7/2024
“A Day in the Life” of our County Floodplain Managers ….

Can a nonconforming structure in a
SFHA be converted into an Accessory Dwelling Unit (ADU)?
City & County
of Honolulu
Yes, if the structure is brought into compliance with floodplain management regulations.
Maui County
As long as it meets current flood regulations.
Kauaʻi County
Yes; all floodplain management regulations still apply.
Hawai'i County
Yes; all floodplain management regulations still apply.
Last Updated: 10/31/2024
