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County building permits

Unincorporated DuPage County

How to apply for a building permit in unincorporated DuPage County, Illinois. Permit authority, application steps, fees, and inspection requirements.

Last verified
April 2026
On this page 6
§ 01

Permit authority

Building and Zoning Department

Street address
421 N. County Farm Road, Wheaton, IL 60187
Coverage
Serves all unincorporated areas of DuPage County.
Online portal
Accela Citizen Access (ACA)
Accela
§ 02

When a permit is required

Permit triggers and exempt work for DuPage County

New construction, additions, major renovations, demolition, roofs (tear-offs), siding (not overlay), windows, HVAC, decks, fences, pools (>24" deep).

Ordinary repairs/maintenance
Roof/siding overlays (max 2 allowed)
  • Exempt Ordinary repairs/maintenance
  • Exempt Roof/siding overlays (max 2 allowed)

Note: Confirm exempt work categories with Building and Zoning Department before proceeding.

Required documents
  • Scalable Plat of Survey
  • PDF construction plans
  • Contractor registration
Building code
DuPage County Building Code, 2021 IBC, 2021 IRC, 2020 NEC, Illinois Plumbing Code.
Owner-builder
Allowed.
Contractor requirements
General and trades must be registered annually.

Source: Building and Zoning Department ↗

§ 03

Application process

Typical processing: Varies; depends on stormwater/wetland impacts.

  1. 01
    Register on Accela Citizen Access.
  2. 02
    Submit application and upload PDF plans/survey.
  3. 03
    Review for building, zoning, and stormwater compliance.
  4. 04
    Notification of approval and fees.
  5. 05
    Pay fees and bonds online.
  6. 06
    Permit issued via portal.

Typical processing time: Varies; depends on stormwater/wetland impacts.

Source: Building and Zoning Department ↗

§ 04

Fee schedule

Effective Current

Fee type
Amount
01
Minimum permit fee
$100-$200 (Remodeling); $60 (Fence)
02
Plan check fee
Included in permit cost
03
Permit fee formula
$10 per $1,000 of valuation (Valuation calculated at $90/sq. ft. for new SFH)
04
Reinspection fee
Fees double for work without permit. Performance bonds required: $2,000 (New SFH), $400 (Additions), $100 (Misc)
05
Penalty (no permit)
Penalty for unpermitted work

Online via ACA

Fees change periodically. Confirm at the official fee schedule ↗ (effective Current) before budgeting.

§ 05

Required inspections

Scheduling and sequence

How to schedule
Scheduling deadline
Check portal for scheduling windows.
Inspection hours
Monday - Friday, 8:00 AM - 4:30 PM
Time windows
Standard business hours.

Typical sequence: Foundation, Stormwater, Rough, Final.

Required to close permit and release bonds.

Source: Building and Zoning Department ↗

§ 06

Frequently asked

Common questions about unincorporated DuPage County permits

01 Do I need a building permit in unincorporated DuPage County, IL?
New construction, additions, major renovations, demolition, roofs (tear-offs), siding (not overlay), windows, HVAC, decks, fences, pools (>24" deep).
02 How much does a building permit cost in unincorporated DuPage County, IL?
Building permit fees in unincorporated DuPage County, IL are set by the local building department and vary by project type and valuation. The minimum permit fee is $100-$200 (Remodeling); $60 (Fence). Fees are calculated as: $10 per $1,000 of valuation (Valuation calculated at $90/sq. ft. for new SFH). Plan check fee: Included in permit cost.
03 How do I apply for a building permit in unincorporated DuPage County, IL?
To apply for a building permit in unincorporated DuPage County, IL, follow these steps: 1. Register on Accela Citizen Access. 2. Submit application and upload PDF plans/survey. 3. Review for building, zoning, and stormwater compliance. 4. Notification of approval and fees. 5. Pay fees and bonds online. 6. Permit issued via portal.
04 How long does it take to get a building permit in unincorporated DuPage County, IL?
Building permit processing times in unincorporated DuPage County, IL typically run Varies; depends on stormwater/wetland impacts.. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in unincorporated DuPage County, IL?
Not all construction work requires a permit in unincorporated DuPage County, IL. The following work is generally exempt: Ordinary repairs/maintenance; Roof/siding overlays (max 2 allowed). Note: Confirm exempt work categories with Building and Zoning Department before proceeding. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in unincorporated DuPage County, IL?
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated DuPage County, IL via: Accela portal. Check portal for scheduling windows..
last verified April 2026 source Building and Zoning Department ↗ entry id permits/illinois/dupage/unincorporated

Educational reference. Permit rules and fees change — confirm current requirements directly with Building and Zoning Department before applying. Jaspector is not legal advice.