The median home price in Hawaii is $833,877. At 80% LTV, the typical loan is $667,102 at the current 6.76% average rate, producing a monthly P+I payment of $4,331. Total interest over 30 years at this rate: $892,147.
Property taxes in Hawaii average 0.29% of assessed value, or $2,418 per year on the median home. This adds $202/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.