Statewide, District of Columbia's median home price runs $645,000, 54% above the $420,000 national median. The 7.1x price-to-income ratio here is measured against a $90,800 median household income.
Property taxes in District of Columbia average 0.56% of assessed value, below the 1.1% national average. On the median home, that's $3,612 a year, or $301 added to the monthly payment.
District of Columbia levies a state income tax of 4%–10.75% on top of the $3,914/month this mortgage runs. Model your real after-tax take-home before deciding how much payment you can carry.
Day-to-day expenses statewide track at 142 against the national 100 baseline, above average once you look past the mortgage payment itself.
District of Columbia's median home price runs 6% higher than Massachusetts: $610,000 there versus $645,000 here.