ez APP - Online Permits

The City's convenient 24/7 online building permit system is now available! Click here to start using ez APP. For help using the online permitting system, please reference the handouts available below or call the Building Division at (815) 356-3605 for assistance.

Getting Started with ez APP Permit Type Tip Sheet

Permit Process

The Building Staff will work with you at every stage of your project to ensure a successful completion. The permit process involves three main steps: application, plan review, and inspection. Please contact the Building Division if your project needs a permit. 

Additionally, the Building Division has several guides for common projects to help with project plans and/or permit application. 

Permit Timeline

Residential permit applications will be processed within 10 working days or less. Commercial and industrial permit reviews are given a time frame of 10-15 working days to process the initial review.

Building Permits Required

Residential and Commercial 

• Windows
• Roofing (Residential)
• Roofing (Commercial)
• Siding
• Fences (Residential)
• Pools (Above-Ground)
• Pools (In-Ground)
• Pools (Storable)
• Spas
• Patios
• Decks
• HVAC and Air Conditioning
• Driveways
• Sheds

Building Permits Not Required

• Fence Repair - Repair or Replacement of up to 2 fence panels or 3 support posts
• Roof Repair - Repair or Replacement of up to an aggregate total 200 square feet of roofing material 
• Siding Repair - Repair or Replacement of up to an aggregate total 200 square feet of siding material