Fort Washington MD zip code 20744 Real Estate Market Report-April 2018 Average sold price of a Fort Washington MD zip code 20744 House in April 2018 was $335,148. That is up 8.67% from April 2017 when the average sold price of a Fort Washington MD 20744 zip code was $308,416. 52 Fort Washington MD zip code 20744 Houses SOLD in April 2018. That is only down -3.70% from April 2017 when 54 Fort Washington MD zip code 20744 Houses were SOLD. Average days on the market of a Fort Washington MD zip code 20744 was 66 days in April 2018. That is up 32% from April 2017 when it was 50 days. Average selling price to original list price ratio of a Fort Washington MD zip code 20744 was 97.7% in April 2018. That is up 1.72% from April 2017 when it was 96%. Average sold price of a At... 06/01/2018