Aurora Illinois Accessory Structure, Deck, Shed, and Porch Permit Guide
Aurora accessory-structure permits cover decks, porches, front stairs, gazebos, ramps, sheds, and patio coverings or pergolas, while garages use a separate permit type.
Accessory Structure, Deck, Shed, and Porch Permits
Aurora, Illinois
April 26, 2026
Permit takeaway
Aurora's accessory structure application covers decks, porches, front stairs, gazebos, ramps, sheds, and patio coverings or pergolas, and the application itself does not authorize construction until the permit is approved.
Zoning and placement
Accessory structure applications collect square footage, peak height, deck height above grade, attachment to the primary structure, and whether the structure has conditioned space, exterior insulated walls, permanent windows or doors, electrical, heat, AC, or plumbing.
Building and trade review
Aurora notes that sheds are limited to 160 square feet under the accessory structure form, larger sheds need a different permit type, and residential accessory structures over 768 square feet require full frost-depth footings and foundation.
Call before applying when
Call before applying if the project is attached, has electric, plumbing, heat, AC, insulated walls, permanent windows or doors, is a shed over 160 square feet, or exceeds 768 square feet.
Documents to prepare
- Accessory structure application
- Site plan showing lot lines and setbacks
- Construction drawings
- Equipment cut sheets if applicable
- Contractor information before permit issuance
Inspection planning
- Submit application and fee
- Wait for permit approval before work
- Follow approved plans
- Schedule required inspections
- Keep final records
Official sources
This guide is a planning summary. Always verify the current requirements with the local office before starting work.