The median home price in Portland is $485,000, with a local 30-year mortgage rate of 6.95%. A buyer putting 20% down carries a loan of $388,000, generating a monthly P&I payment of $2,568. Adding property taxes ($441/mo) and homeowners insurance ($202/mo) brings total monthly PITI to $3,211.
Portland's property tax rate of 1.09% is near the national average, adding a standard increment to monthly housing costs. On the Portland median home, that is $441/month, or $5,287 per year.
Maine levies a state income tax, which affects take-home pay and effective buying power. High-income earners in Portland should factor state tax liability into their overall housing budget — mortgage interest may be deductible on both federal and state returns.