City Hall & City Services
City Hall
City Hall Offices
Contact: Marilyn Heller- City Clerk/Utility Billing
Contact: Jodi Diffenderfer- City Treasurer
111A South Broad St.
Phone: (815) 493-2431
Email: cityclerk@lanarkil.gov
Email: treasurer@lanarkil.gov
Hours: Monday - Thursday 8:00 a.m. - 4:00 p.m.
Closed over lunch hour
Police Department
Contact: Matt Magill -Chief of Police
Emergency: 911
Office Phone: (815) 493-6931
Email: police@lanarkil.gov
Police Department is located behind City Hall/Library
Drive around to alley for easiest access.
City Maintenance Department
Contact: Jason Alvarado-Maintenance Supervisor
Email: streets@lanarkil.gov
Maintenance Building is at 111 N Boyd St.
Phone: (815) 493-6832
Lanark Public Library
Contact: Janie Dollinger, Librarian
111B S Broad St.
Phone: (815) 493-2166
Email: lanarklibrary1@gmail.com
Hours: Tues., Wed., Fri.: Noon to 5,
Thurs. Noon to 7:30,
Sat.: 10-3,
Closed Sun., Mon.