Contact Harold K.L. Castle Foundation 1197 Auloa Road, Kailua, HI 96734 Phone: 808-263-7073 | Fax: 808-261-6918 Click to send us an email or use the contact form below. Name(required) Warning Email(required) Warning Phone(required) Warning I prefer to be contacted by phone email Warning My comment or question:(required) Warning Warning. Submit Δ