The McHenry Municipal Center is located at 333 S. Green Street, just north of Bull Valley Road. Located within the Municipal Center are the following departments: Administrator, City Clerk, Public Works, Community Development, Parks and Recreation, Water/Sewer and Police. All City business is conducted during the hours of 8:00 A.M. to 5:00 P.M. Monday through Friday.

McHenry is conveniently located at the intersection of State Routes 120 and 31 in northeast Illinois, minutes away from Interstates 90, 94 and 43. Our community is served by METRA, Chicagoland Commuter Rail Service, and PACE suburban bus service.