Village of Willowbrook

DuPage County, Illinois

Last verified September 17, 2026

Village of Willowbrook is a jurisdiction in DuPage County, Illinois, with an online portal for searching and pulling active or historical building permits. Use the contact information below to reach the local building department, or the mailing address if the jurisdiction needs to be listed as a certificate holder on a contractor's insurance documentation.

Contact

Phone: (630) 920-2240
Email: bzadmin@willowbrook.il.us
Department Site: Building & Zoning Division (opens in a new tab)

Source: willowbrookil.org (opens in a new tab)

Permit Search

Village of Willowbrook Online Permitting Portal (OnLama) (opens in a new tab)

Certificate Holder Mailing Address

Village of Willowbrook, Building & Zoning Division
835 Midway Drive
Willowbrook, IL 60527

Use this address when the jurisdiction needs to be listed as a certificate holder on a contractor's insurance documentation.

Additional Notes

Confirmed via official village site willowbrookil.org. All new permit applications and payments are handled through the online portal; inspections must also be scheduled through it. Fax (630) 920-2489. Certain projects additionally require a permit from the Flagg Creek Water Reclamation District or DuPage County Department of Environmental Concerns before the village will issue its building permit.

What You Need Before Applying for a Permit

Most building departments ask for the same core package before they'll issue a permit: a completed application naming the property owner and contractor, the contractor's state license number and proof of insurance (general liability, and workers' comp if employees are on the job), a notice of commencement or equivalent recorded filing for larger jobs where the state requires one, and scaled plans or a site plan for anything beyond minor repairs. Roofing, fence, pool, and solar permits typically have their own simplified checklists — Village of Willowbrook's department (above) can confirm exactly what applies to your project.

Why this matters for insurance: permit history is one of the first things an underwriter or adjuster checks. Unpermitted work — a finished basement, an added bedroom, a rebuilt roof — can complicate a claim or even void coverage for that portion of the loss, and it routinely surfaces during a home inspection. Pulling the right permit up front, and keeping the closed-permit record on file, protects both the property's value and its insurability at resale.

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