The consular service in Seattle, where you can file passport applications, will take place on May 8, 2018 (Tuesday), at 5 p.m. 9.00 a.m. – 5.00 p.m. and May 9, 2018 (Wednesday) 9:00 pm – 3:30 pm, at the Polish Cultural Center 1714 18th Ave, Seattle, WA 98122.
More information here