Administrative overview · FIPS 17093
Kendall County permit authority
The first compliance decision is jurisdictional: identify the office with statutory authority over your parcel, then use its filing and inspection sequence to keep the project moving.
Jurisdictional status
County
This county profile is the primary starting point for unincorporated-area permitting.
Responsible agency
Kendall County Planning, Building & Zoning Department, Building Division
For a project in or near Kendall County, this office is the identified point of contact for permit intake, statutory code enforcement, plan review coordination, and inspection release conditions. Confirm the parcel’s boundary and project type before relying on the county lane.
Direct contact
630-553-4141; inspections: KCinspections@KendallCountyIL.gov
Call before mobilizing if the project has a boundary, occupancy, fire, septic, or utility question.
Permit counter
504 South Main Street, Yorkville, IL 60560
Operating hours
Monday-Friday, 8:00 AM-4:30 PM
Review expectation
N/A for ordinary building permits; the county publishes a 10-30 day range for administrative zoning variances and typically 10 business days for some residential permit reviews, depending on completeness.
Compliance workbench
Choose the next project decision.
Apply online
Open the verified digital gateway, application form, and review timeline.
Open guide →Fees & penalties
Understand fee schedules, enforcement exposure, and stop-work liabilities.
Open guide →Codes & exemptions
Read the code framework, minor-work exemptions, and inspection lane.
Open guide →Agency website
Visit the primary public source for current notices and contact changes.
Open guide →Source trail
Official sources for this profile
Use these direct agency or licensing links to confirm current instructions before you file, pay, or schedule work. External pages control if their information differs from this directory.
Project questions
Frequently asked questions for Kendall County
Who handles permitting for this jurisdiction?
Kendall County Planning, Building & Zoning Department, Building Division is the identified county-level authority for this profile. Confirm that the property is in its service area before filing.
How should I begin an application?
Begin with the online permit gateway listed in the application guide. If the portal does not recognize the address or project type, contact 630-553-4141; inspections: KCinspections@KendallCountyIL.gov.
How long might review take?
N/A for ordinary building permits; the county publishes a 10-30 day range for administrative zoning variances and typically 10 business days for some residential permit reviews, depending on completeness.
How are inspections scheduled?
Submit inspection requests by 4:00 PM at least one business day before the requested date to KCinspections@KendallCountyIL.gov. Windows are 7:00-11:00 AM and noon-4:00 PM, with no specific appointment time; inspection requests are not accepted by phone as the normal method.
Which codes and exemptions should I review?
Effective May 11, 2026: 2024 International Building Code; 2024 International Residential Code including Appendices BA, BB, and BE; 2023 National Electrical Code NFPA 70; Illinois Plumbing Code; 2024 International Mechanical Code; 2024 International Fuel Gas Code; 2024 International Existing Building Code; Illinois Energy Conservation Code; Illinois Accessibility Code; 2018 International Swimming Pool and Spa Code; and 2024 International Property Maintenance Code. The county checklist says no permit is currently required for fences outside the floodplain, shingle replacement without pitch/structural/truss/roofline changes, nonstructural siding, like-for-like windows or doors without changing opening size/framing, and underground sprinkler systems. Agricultural properties use an agriculture-exempt permit process; the exemption does not remove zoning/setback or other required approvals.