The median sales price for homes in Gateway for Aug 13 to Nov 13 was $262,500. This represents a decline of 21.1%, or $70,000, compared to the prior quarter and an increase of 0% compared to the prior year. Sales prices have appreciated 14.1% over the last 5 years in Gateway, Washington. The median sales price of $262,500 for Gateway is 42.05% lower than the median sales price for Washington DC. Average listing price for homes on Trulia in Gateway was $543,000 for the week ending Nov 27, which was unchanged compared to the prior week. . Average price per square foot for homes in Gateway was $228 in the most recent quarter, which is 50.11% lower than the average price per square foot for homes in Washington.