Taxes
Sales tax is 6% in D.C.; 6% in Maryland; and 4% in Virginia, though a 1% local tax is often added, bringing Virginia's total sales tax to 5% for most purchases. The hotel tax varies because a local tax is added to the state tax. The result in Maryland varies from 6% to 13.5% and in Virginia from 6.5% to 12.5%; in D.C. it's 14.5%.