State Building Permits
Illinois - 2026 Building Permit Guide
Permit authority, application process, fees, and requirements for every county and city in Illinois. Select your county to find your local permit guide.
102 Counties 1071 Jurisdictions Updated March 2026
Illinois Counties
Adams County 15 jurisdictions → Alexander County 4 jurisdictions → Bond County 9 jurisdictions → Boone County 5 jurisdictions → Brown County 5 jurisdictions → Bureau County 24 jurisdictions → Calhoun County 7 jurisdictions → Carroll County 8 jurisdictions → Cass County 6 jurisdictions → Champaign County 14 jurisdictions → Christian County 8 jurisdictions → Clark County 5 jurisdictions → Clay County 5 jurisdictions → Clinton County 14 jurisdictions → Coles County 7 jurisdictions → Cook County 31 jurisdictions → Crawford County 10 jurisdictions → Cumberland County 5 jurisdictions → DeKalb County 9 jurisdictions → DeWitt County 8 jurisdictions → Douglas County 7 jurisdictions → DuPage County 20 jurisdictions → Edgar County 7 jurisdictions → Edwards County 7 jurisdictions → Effingham County 11 jurisdictions → Fayette County 8 jurisdictions → Ford County 9 jurisdictions → Franklin County 14 jurisdictions → Fulton County 5 jurisdictions → Gallatin County 8 jurisdictions → Greene County 10 jurisdictions → Grundy County 9 jurisdictions → Hamilton County 5 jurisdictions → Hancock County 9 jurisdictions → Hardin County 4 jurisdictions → Henderson County 9 jurisdictions → Henry County 14 jurisdictions → Iroquois County 23 jurisdictions → Jackson County 12 jurisdictions → Jasper County 8 jurisdictions → Jefferson County 9 jurisdictions → Jersey County 7 jurisdictions → Jo Daviess County 12 jurisdictions → Johnson County 9 jurisdictions → Kane County 17 jurisdictions → Kankakee County 11 jurisdictions → Kendall County 8 jurisdictions → Knox County 4 jurisdictions → Lake County 22 jurisdictions → LaSalle County 24 jurisdictions → Lawrence County 6 jurisdictions → Lee County 14 jurisdictions → Livingston County 15 jurisdictions → Logan County 11 jurisdictions → Macon County 11 jurisdictions → Macoupin County 12 jurisdictions → Madison County 19 jurisdictions → Marion County 11 jurisdictions → Marshall County 7 jurisdictions → Mason County 7 jurisdictions → Massac County 3 jurisdictions → Mcdonough County 12 jurisdictions → McHenry County 16 jurisdictions → McLean County 14 jurisdictions → Menard County 6 jurisdictions → Mercer County 8 jurisdictions → Monroe County 4 jurisdictions → Montgomery County 18 jurisdictions → Morgan County 4 jurisdictions → Moultrie County 6 jurisdictions → Ogle County 14 jurisdictions → Peoria County 15 jurisdictions → Perry County 7 jurisdictions → Piatt County 10 jurisdictions → Pike County 15 jurisdictions → Pope County 5 jurisdictions → Pulaski County 4 jurisdictions → Putnam County 6 jurisdictions → Randolph County 16 jurisdictions → Richland County 6 jurisdictions → Rock Island County 15 jurisdictions → Saline County 8 jurisdictions → Sangamon County 16 jurisdictions → Schuyler County 4 jurisdictions → Scott County 10 jurisdictions → Shelby County 13 jurisdictions → St. Clair County 16 jurisdictions → Stark County 6 jurisdictions → Stephenson County 12 jurisdictions → Tazewell County 13 jurisdictions → Union County 7 jurisdictions → Vermilion County 22 jurisdictions → Wabash County 7 jurisdictions → Warren County 6 jurisdictions → Washington County 15 jurisdictions → Wayne County 5 jurisdictions → White County 9 jurisdictions → Whiteside County 12 jurisdictions → Will County 19 jurisdictions → Williamson County 13 jurisdictions → Winnebago County 10 jurisdictions → Woodford County 10 jurisdictions →
Related Illinois Resources
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with your local building department before applying.
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This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from your local permit authority. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.