Haw. Rev. Stat. § 46-19.8: Fire sprinklers; residences.

[Section repealed June 30, 2027. L 2017, c 53, §1.] No county shall require the installation or retrofitting of automatic fire sprinklers or an automatic fire sprinkler system in:

(1) Any new or existing detached one- or two-family dwelling unit in a structure used only for residential purposes; and

(2) Nonresidential agricultural and aquacultural buildings and structures located outside an urban area;

provided that this section shall not apply to new homes that require a variance from access road or firefighting water supply requirements.