Out-of-State Owner's Beware: HARPTA Withholding Increases HARPTA Withholding Tax For Non-Resident Sellers Rises Next Month - September 2018. Read More Real EstateAmber LaneAugust 25, 2018Hawaii Real Estate, Taxes, HARPTA, Withholding, Non-Resident Seller, Hawaii State, State of Hawaii, Hawaii, Hawaii Department of Taxation, Hawaii Real Property Tax Act, Capital Gains