Pavement sealcoating contractors will have to obtain a City license before working in Warrenville as of January 1, 2023. 

• City Code will prohibit selling and using coal-tar-based pavement sealant products in the City. 
• The ban applies to all homeowners, business owners, property owners, HOAs, contractors, and anyone who might apply or sell coal tar pavement sealants within the City. 
• The fee is $100. The annual license expires on December 31.
• Contractors will be required, when applying for a license, to submit Safety Data Sheets for the products they will use.
• Coal tar-based products contain high concentrations of chemical compounds known to be carcinogenic to humans. 
• Asphalt-based sealants are a readily available alternative to coal tar-based sealants.
• A list of sealcoating professionals licensed to work in Warrenville will be posted on the City's website when available (based on when the sealcoating companies register with the City).
• Ask driveway sealing professionals what type of sealants they use and whether they are licensed with the City.
• Learn more about the coal tar ban at: FAQ
• Sealcoating contractors can fill out the application at: Pavement Sealcoating License Application (PDF).