From the website"The Urban Rest Stop provides a clean, safe and welcoming facility where individuals and families can come and use restrooms, shower and laundry facilities. All services are provided at no cost to patrons."

Address: 1924 Ninth Avenue, Seattle, WA

Hours:
Monday - Friday 5:30 a.m. to 9:30 p.m. 
Saturday - Sunday (June 1 - Sept. 30) 8 a.m. to 5 p.m. 
Saturday - Sunday (Oct. 1 - May 31) 8 a.m. to 3 p.m.