The state has mailed out the Plumbing License renewal last week. We have been told that all Plumbing License renewal will have to be by mail this year. There will be no online renewal for the Illinois Plumbing Licenses. Please make sure to watch your mail for the renewal, they should be arriving in the next couple of days. Do not delay sending back your license renewal. If you have any question please contact Rich @ 618-234-5504 ext. 3.