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When a permit is required
Permit triggers and exempt work for Plainfield
New structures, additions, basement finishes, decks, fences, pools, roofing, windows, and HVAC/Electrical/Plumbing work.
- Exempt Painting and decorating.
- Exempt Non-structural repairs.
- Exempt Cabinets and counter tops.
- Exempt Portable cooling units and space heaters.
Note: Exempt from building permit does not mean exempt from zoning and planning requirements. Confirm edge cases with the Building and Code Enforcement Department before proceeding.
- Plat of Survey (exterior)
- Stamped drawings (new construction)
- Contractor list
- Building code
- IBC 2021, IRC 2021, IEBC 2021, NEC 2020 (Moving toward 2023 NEC).
- Permit validity
- 6 months to start, 1 year to finish.
- Owner-builder
- Allowed for primary residence with signed affidavit.
- Contractor requirements
- Must be registered with the Village. Plumbing/Roofing state licenses required.
Application process
Typical processing: 5-10 business days for most residential.
- 01 Register on the Plainfield OpenGov portal.
- 02 Select permit type (e.g., Residential, Commercial, Miscellaneous).
- 03 Upload PDF documents including Plat of Survey and plans.
- 04 Review process occurs within the portal.
- 05 Approval notification sent via email; fees paid online.
- 06 Print permit from the portal and post on-site.
Typical processing time: 5-10 business days for most residential.
Fee schedule
Plainfield building permit fees
Online payment required for portal submissions.
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
Required inspections
Scheduling and sequence
- iWorQ portal (online)
- (815) 439-2937 (phone)
- Scheduling deadline
- 48-hour notice required.
- Inspection hours
- Monday - Friday, 7:30 AM - 3:30 PM
- Time windows
- Standard business hours
Typical sequence: Typical sequence: Foundation, Rough-ins, Insulation, Final.
Remote video inspections may be used for certain inspection types at the village's discretion.
Frequently asked
Common questions about Plainfield permits
01 Do I need a building permit in Plainfield, IL? ▸
02 How much does a building permit cost in Plainfield, IL? ▸
03 How do I apply for a building permit in Plainfield, IL? ▸
04 How long does it take to get a building permit in Plainfield, IL? ▸
05 What work is exempt from building permits in Plainfield, IL? ▸
06 How do I schedule a building inspection in Plainfield, IL? ▸
Educational reference. Permit rules and fees change — confirm current requirements directly with Building and Code Enforcement Department before applying. Jaspector is not legal advice.