What work requires a building permit?

Some of the most common projects that require a building permit include constructing a new building, adding to an existing structure, renovations and demolitions. Additional projects that require a building permit include a swimming pool, deck, patio, fence, driveway, stoop and walkway, replacement HVAC, water heater and replacing a roof and/or siding. To find out if your construction or home improvement project requires a permit, click on this link or contact the Development Department at (847) 639-1100.

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1. What work requires a building permit?
2. What needs to be included with the building permit application?
3. Once a building permit application has been submitted, can I begin work before the permit is issued?
4. What is a plat of survey and why is it required?
5. Is a permit required to install a sign for my business?
6. What are the requirements for temporary signs?
7. Why are inspections needed?