You should have received in the mail your Plumbing License Renewal Card. On this card is the Web Address to renew your Plumbing License. Licenses need to be renewed by April 30th to avoid a penalty. If you did not receive your renewal card in the mail please contract the hall and talk to Rich, he can help to get your pin # for renewing your License.
Plumbing License Renewal Link: https://plumblicv5pub.dph.illinois.gov/Clients/ILDOHPlumb/Private/PlumRen/Login.aspx