Required

• Accessory structures including and sheds
• Additions to any structure, including decks and patios. 
• Alarm systems (Electrical permit required for low voltage)
• Attached or detached garages
• Changes to an electrical system, including electric service upgrade
• Changes to the plumbing system
• Commercial telecommunications equipment including antennae and satellite dishes
• Concrete or Flat work (Including steps, porches, and patios) - call for verification of the proposed work (630) 368-5110
• Demolition of any structure or interior which involves any structural change or removal/disconnection to the electric, gas, plumbing or water.  
• Driveway - Contact the Engineering Department for permit information and requirements at (630) 368-5130
• Fences, dog runs, gates, and entry monuments
• Generators
• HVAC Equipment, including new, replacement, and additional units and/or equipment
• Interior remodeling which involves any structural change or modification/addition to the plumbing or electric system
• Lawn sprinkler/irrigation systems 
• New construction of residential, commercial, and office structures
• Office partitions
• Porches and decks
• Portable storage units, PODS, Etc., Ordinance G-861
• Replacing cabinets with structural alterations
• Roofing of any existing structure. Residential Roofing Requirements
• Signs - Sign Regulation Ordinance and Handicapped Sign Diagrams
• Swimming pools, hot tubs, and spas
• Temporary Uses - Permits are required for tents, portable generators, temporary signs, etc.
• Windows and doors  New or Replacement - A permit is not required if only the glass pane is being replaced (e.g. fixing a broken window pane). 

Not Required
A permit is not required for:

• Changing cabinet faces or counter tops
• Changing ceiling tiles
• Changing existing light fixtures (If not being relocated)
• Changing existing plumbing fixtures (If not being relocated)
• Gutters, downspouts, and siding
• Normal installation of household appliances
• Painting, carpeting, tile, or hardwood floors
• Permit Exceptions
• Replacing cabinets with no structural alterations
• Tuck pointing