Hawaii Revised Statutes Division 1. Government § 356D-33

(1) Investigate living, dwelling, and housing conditions and the means and methods of improving the conditions;

(2) Enter upon any building or property to conduct investigations or to make surveys or soundings;

(3) Conduct examinations and investigations and hear testimony and take proof under oath at public or private hearings on any matter material for its information;

(4) Issue subpoenas requiring the attendance of witnesses or the production of books and papers, and order the examination of witnesses who are unable to attend before the authority, are excused from attendance, or by leave of courts as provided by chapter 624, are out of the State; and

(5) Make available to any government agency charged with the duty of abating or requiring the correction of nuisances or like conditions, or of demolishing unsafe or unsanitary structures within its territorial limits, its findings and recommendations with regard to any building or property where conditions exist that are dangerous to the public health, morals, safety, or welfare.