Lemont Express Car Wash 1174 State St, Lemont, IL60439 Have the words "wash me" been written on your car lately? Lemont Express Car Wash, located on State Street, has both a…More full-service wash tunnel and four self-service stations. Because this car wash is known for being an express wash, there is no interior detailing available. Although, the self-service stations are open for use 24 hours a day. Stop in on Tuesdays to receive $2 off all washes.