McHenry County Assessor: (815) 334-4290

McHenry County Recorder of Deeds: (815) 334-4110

McHenry County Treasurer: (815) 334-4260

Township of Dorr Assessor: (815) 338-0128

Township of Grafton Assessor: (847) 669-3383

Township of McHenry Assessor: (815) 385-0175

McHenry Township of Nunda: (815) 459-6140