What kinds of projects require a permit?

Some examples of projects that require a permit include:

  • Addition of decks, sheds and lawn sprinkler systems
  • Any structural changes
  • Construction of garages, pools, hot tubs and spas
  • Demolitions
  • Electrical and mechanical projects
  • Installing driveways, curb, and sidewalks
  • Installing a fence
  • Plumbing projects
  • Roofing work
  • Sewer repair
  • Signs

See the Guidelines for Building Projects and Permits section for information on these and many other types of projects. If you are unsure if your project requires a permit, contact the Building Department at 630-260-2050 before starting the project.

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1. What kinds of projects require a permit?
2. Whom should I contact for information on obtaining a permit and what needs to be submitted?
3. If I am hiring a contractor, will the contractor ensure that the proper permits are obtained?