Welcome to Lake County’s SmartFile E-Filing System

This system allows you to electronically file most applications related to your property’s assessment here in Lake County. If you have used the system before, please log in using your email and the password you established. A link is provided below to retrieve a forgotten password. We recommend new users create an account, but logging in as a one-time guest is also an option. If you have any questions, please feel free to contact us at assessor@lakecountyil.gov or (847) 377-2050.