The median home price in Hawaii is $855,000. At 80% LTV, the typical loan is $684,000 at the current 7.00% average rate, producing a monthly P+I payment of $4,551. Total interest over 30 years at this rate: $954,241.
Property taxes in Hawaii average 0.28% of assessed value, or $2,394 per year on the median home. This adds $200/month to your all-in housing cost. When evaluating a refinance, factor in property tax and insurance for a complete picture.
Hawaii residents can deduct mortgage interest on state income tax returns for primary residences, subject to state-specific limits. The federal mortgage interest deduction applies on loans up to $750,000.