City Building Permits

Darien, IL - 2026 Building Permit Guide

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

Illinois DuPage County Updated March 2026

Permit Authority

Serves the City of Darien.

Department
Community Development Department
Address
1702 Plainfield Road, Darien, IL 60561
Phone
(630) 353-8115

Online Permit Portal

Platform: OpenGov • Account required: Yes • Submission: Online only

Application Process

  1. Create account on OpenGov portal.
  2. Submit application and upload plans/survey.
  3. Plan review period.
  4. Pay fees online.
  5. Permit issuance.

Source: Community Development Department

General Requirements

New construction, additions, basement remodeling, decks, fences, sheds, pools, patios, driveways, generators, water heaters, AC.

Required Documents

  • Plat of Survey
  • Construction plans
  • Contractor registration
Building code
2021 IBC, 2021 IRC, 2020 NEC, Illinois Plumbing Code. Effective March 1, 2025.
Owner-builder
Allowed.
Contractor requirements
Contractors registered ($60/year); plumbers/roofers provide state license.

Fees

Minimum permit fee
$25 (Fence), $50 (Roof/AC), $75 (Driveway), $115 (Deck/Shed)
Plan check fee
Included in permit cost
Permit fee formula
Flat fees for common; cost-based for remodels (e.g. $75 for $0-8k value).
Reinspection fee
$80 first failure; $100 subsequent
Penalty (no permit)
Penalty for unpermitted work
Payment note
Online via OpenGov

Fees change. Verify current amounts at the official fee schedule (effective Current).

Work That Does NOT Require a Permit

  • Minor roof repairs
  • Siding
  • Soffits
  • Same-size window/door replacement
  • Cosmetic interior

Important: Confirm exempt work categories with Community Development before proceeding.

Inspections

How to Schedule

  • (630) 353-8115 by 2pm day before (phone)
Scheduling deadline
Call by 2pm day before inspection.
Inspection hours
Monday - Friday, 8:30 AM - 5:00 PM
Time windows
Standard business hours.

Typical inspection sequence: Rough, Final.

Contact Community Development for remote inspection eligibility.

Additional Resources

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Community Development Department before applying.

Frequently Asked Questions

Darien Building Permit FAQ

Do I need a building permit in Darien, IL?
New construction, additions, basement remodeling, decks, fences, sheds, pools, patios, driveways, generators, water heaters, AC.
How much does a building permit cost in Darien, IL?
The minimum permit fee is $25 (Fence), $50 (Roof/AC), $75 (Driveway), $115 (Deck/Shed). Fees are calculated as: Flat fees for common; cost-based for remodels (e.g. $75 for $0-8k value).. Plan check fee: Included in permit cost.
How do I apply for a building permit in Darien, IL?
1. Create account on OpenGov portal. 2. Submit application and upload plans/survey. 3. Plan review period. 4. Pay fees online. 5. Permit issuance.
What work is exempt from building permits in Darien, IL?
The following work is generally exempt: Minor roof repairs; Siding; Soffits; Same-size window/door replacement; Cosmetic interior. Note: Confirm exempt work categories with Community Development before proceeding.
How do I schedule a building inspection in Darien, IL?
Inspections can be scheduled via: (630) 353-8115 by 2pm day before. Call by 2pm day before inspection..

Need help with your project?

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Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authority listed above. 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.

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