Wikipedia contributors. (2026, September 29). Foster, Washington. In Wikipedia, The Free Encyclopedia. Retrieved 06:33, October 9, 2026, from https://en.wikipedia.org/w/index.php?title=Foster,_Washington&oldid=1377349120
Foster, Washington (Wikipedia) Foster, Washington was a former community in King County in the U.S. state of Washington. After being annexed in 1989, Foster’s former area is a part of the city of Tukwila.