Skip to Content

Help Guide

Underground Storage Tank Contractor Licensing

This site allows any corporation, partnership or other business entity that installs, removes, upgrades, repairs, tests or lines underground storage tanks in Illinois to submit an online application to apply for a license from the Office of the State Fire Marshal. In order to use the online application system, you must provide an email address associated with the applicant submitting this application. This email address will only be used for communication purposes and will not be shared with anyone. If you do not have an email address, you must submit the application by mail. Click here to access the Application to be mailed.

Please save the Access Code, it is required to re-open the application if you close the browser. (The access code will appear at the top of the page and will be emailed after the contractor information is saved on the next page)

You can search for an application that you had previously started, not yet submitted, and continue working on it by entering the Application ID that was provided to you when you first started the application and your email address.