Hawaii Revised Statutes Division 1. Government § 6E-42.2

(a) An application for a proposed project on an existing privately-owned single-family detached dwelling unit or townhouse shall be subject to the requirements of section 6E-42 only if the single-family detached dwelling unit or townhouse is over fifty years old and:

(b) For the purposes of this section:

“Dwelling unit” means a building or portion thereof designed or used exclusively for residential occupancy and having all necessary facilities for permanent residency such as living, sleeping, cooking, eating, and sanitation.

“Single-family detached dwelling unit” means an individual, freestanding, unattached dwelling unit, typically built on a lot larger than the structure itself, resulting in an area surrounding the dwelling.

“Townhouse” has the same meaning as defined in section 502C-1.