Administrative overview · FIPS 17143
Peoria 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
Peoria County Planning & Zoning / Building Inspections
For a project in or near Peoria 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
309-672-6915
Call before mobilizing if the project has a boundary, occupancy, fire, septic, or utility question.
Permit counter
Peoria County Courthouse, Department of Planning & Zoning, 324 Main St., Room 301, Peoria, IL 61602
Operating hours
Monday-Friday 8:30 AM-4:30 PM
Review expectation
Once a complete, code-compliant submittal is received, residential review usually takes 2-3 business days and commercial review averages 14 business days; some permits can be issued the same day without plan review.
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 Peoria County
Who handles permitting for this jurisdiction?
Peoria County Planning & Zoning / Building Inspections 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 309-672-6915.
How long might review take?
Once a complete, code-compliant submittal is received, residential review usually takes 2-3 business days and commercial review averages 14 business days; some permits can be issued the same day without plan review.
How are inspections scheduled?
All permits require inspection, with the number and type varying by project. Use the county Building Inspections guidance or call 309-672-6915; digital submittal questions may be sent to buildingpermits@peoriacounty.org.
Which codes and exemptions should I review?
For unincorporated Peoria County, the published current-code sheet lists the 2018 International Building, Residential, Existing Building, Mechanical, Fuel Gas, and Fire Codes; 2021 Illinois Energy Conservation Code; 2017 National Electrical Code; 2018 Illinois Accessibility Code; and the current Illinois Plumbing Code, Part 890. The county FAQ says permits are required for sheds over 200 square feet and decks over 25 square feet; smaller examples may not require a building permit, but applicants should confirm with Planning & Zoning. Pools, fences, demolitions, new homes, additions, repairs, and applicable electrical, HVAC, and plumbing work require permits.