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City of Warrenville
28W701 Stafford Place
Warrenville, IL 60555
Ph: 630-393-9427
Building Permits
The Building Division of the Community Development Department assists with the following services:
•Obtaining building permits for new construction, additions, remodels and demolitions
•Coordinating review and approval of building plans
•Issuing sign and occupancy permits
•Conducting building, plumbing and electrical inspections
•Issuing outdoor display/temporary sign permits 
The Building Division makes every attempt to process building permits as expeditiously as possible. A representative from the Building Division will contact the applicant upon permit approval.

Permits are required for residential and commercial construction projects in the City, including, but not limited to:
•Concrete flatwork
Deck/Patio/Gazebo/Open Porch
Detached Garage
•Electric service upgrades
•Electrical and plumbing projects
•Signs, temporary and permanent 
Swimming Pool
Window/Door Replacement

Other projects that require permits include water/sewer connections and projects that encroach into public rights-of-way. Permits are required whether the work is done by the homeowner, a friend/relative, or a contractor.

1. A building permit is required for commercial projects (foundations, shells, build-outs, remodels).
2. A building permit application is to be filled out and submitted to the Building Division.
3. Four sets of drawings must be submitted showing construction details of the project including electrical, plumbing, mechanical and fire safety.
4. Four copies of the property's plat of survey showing the location of the project, dimensions, distances to all lot lines from the project and the location of the electric meter are to be submitted.
5. Once submitted, a complete building permit application takes approximately 10 working days to be reviewed.
6. It is the responsibility of the contractor to arrange to have all underground utilities located prior to digging. The number for J.U.L.I.E is 811. J.U.L.I.E requires 48 hours notice before digging.
7. DuPage County Traffic Impact Fee Receipt confirming fees are paid (if applicable).
8. DuPage County Health Department letter confirming approval (if applicable).
9. The building permit fee is based on the value of construction. Additional plan review fees will be assessed by the Plan Examiner and added to the building permit fee. A performance building bond is also required. The building bond is refundable upon completion of the project in accordance with all applicable City Ordinances. All fees and bonds are paid when the permit is picked up.

Electricians are required to be registered with the City, which includes:
• Completed Electrical Contractor Registration Application
• $35.00 annual Registration fee
• Copy of license and $5,000.00 surety bond

Plumbers must provide a copy of their State license and a Letter of Intent.

Roofers must provide a copy of their State license.

Building permits require copies of plans and plats of survey showing plan for construction as follows: residential construction - three (3) copies; commercial construction - four (4) copies.

                                        7:00 a.m. to 7:00 p.m. Monday through Friday
                                        8:00 a.m. to 6:00 p.m. Saturday, Sunday, and Federal Holidays