Winnebago County
Winnebago County Seal

Building Division


The Building Division's mission for all Winnebago County residents is to insure your health, safety and welfare in buildings you live in, work in, and visit.

Winnebago County Building Division services the following communities:

  • Cherry Valley (Village of)
  • Durand (Village of)
  • New Milford (Village of)
  • Rockton (Village of)
  • Roscoe (Village of)
  • South Beloit (City of)
  • Unincorporated Winnebago County

As of April 1st, 2016 Winnebago County Building Division follows the below listed Codes...

  • 2015 International Building Code
  • 2015 International Residential Code
  • 2015 International Fire Code
  • 2015 International Fuel Gas Code
  • 2015 International Mechanical Code
  • 2014 National Electric Code
  • 2014 Illinois State Plumbing Code 

Contact Us:

Winnebago County Building Division*
404 Elm Street, Room 403
Rockford, IL  61101
(*located within the Regional Planning and Economic Development Department*) 

Phone:  815-319-4350
Fax:  815-319-4351

Hours:  Monday through Friday, 8:00 a.m. - 5:00 p.m.
**Permits issued from 8:00 a.m. to 3:00 p.m.**



Winnebago County
404 Elm Street
Rockford, IL 61101
OFC: (815) 319-4444

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