Government - Avon Township

Serving the Grayslake, Hainesville, Round Lake and Third Lake Communities since 1850

Serving the Grayslake, Hainesville, Round Lake and Third Lake Communities since 1850

Township Services
Administration CEnter
433 E. Washington st
Round Lake Park, IL
60073

Assessor Office
administration center
427 E. Washington st
Round lake Park, IL
60073

Highway Department

389 W. Main St.
Hainesville, IL
60030