Haw. Rev. Stat. § 712A-8: Notice of forfeiture proceedings.

Unless otherwise provided, whenever notice is required under this chapter it shall be given in one of the following ways:

(a) If the owner's or interest-holder's name and current address are known:

(i) By personal service; or

(ii) By mail;

(b) If the owner's or interest-holder's interest is required by law to be on record with a state or federal agency in order to perfect an interest in the property, but the person's current address is not known, by mailing a copy of the notice by certified mail to any address on the record; or

(c) If the owner's or interest-holder's address is not known, and is not on record pursuant to paragraph (b), or if the person's interest is not known, by publication in one issue of a newspaper of general circulation in the county in which the seizure occurs.