Will County Land Use Department
- Regulates the use of land and guides development in the unincorporated areas through its building, engineering, planning, zoning and waste services divisions.
- http://www.willcountylanduse.com/

Will County Health Department
- Provides comprehensive public health programs and primary health care and dental services for medically underserved residents of the county.
- http://www.willcountyhealth.org/

Will County Community Development
- Oversees community development block grants and HOME investment partnership grants within Will County.
- http://www.willcountycommunitydevelopment.com/

Will County Recorder
- Maintains and preserves Will County land records. Includes fee schedules, recording guidelines, document copies & searches and forms & downloads.
- http://www.willcountyrecorder.com/

Will County Treasurer
- Official site of the County Treasurer for Will County, Illinois. Responsibilities include the collection of real estate property taxes, drainage district taxes, and mobile home taxes for the entire county.
- http://www.willcountytreasurer.com/

Will County Sheriff's Office
- Official home page of the Will County Sheriff's Department located in Joliet, Illinois.
- http://www.willcosheriff.org/

Will County, Illinois Circuit Court Clerk
- Responsible for maintaining a record of all traffic, civil, and criminal cases filed and heard in Will County.
- http://www.willcountycircuitcourt.com/