Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Lawyer Derwin Hayashi, Practice Areas Administrative Law Lawyers. is located in the city of Wahiawa, the state of Hawaii. Attorney legal address Attorney at LawPo Box 860053Wahiawa, HI, 96786-0053. For more information, please call (808) 545-5555 Your comments* (not for publishing) * — Required information Derwin Hayashi ← View details Attorney at LawPo Box 860053Wahiawa, HI, 96786-0053, Wahiawa, Hawaii (808) 545-5555