The median home price in District of Columbia is $577,041. At 80% LTV, the typical loan is $461,633 at the current 6.76% average rate, producing a monthly P+I payment of $2,997. Total interest over 30 years at this rate: $617,363.
Property taxes in District of Columbia average 0.6% of assessed value, or $3,462 per year on the median home. This adds $289/month to your all-in housing cost. When evaluating a refinance, factor in property tax and insurance for a complete picture.
District of Columbia 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.