Aurora City Sales and Use Tax Rates for Retailers

Taxation and Finance Illinois 4 Minutes Read · published February 10, 2026 Flag of Illinois

Aurora, Illinois retailers must use official sources to determine the correct sales and use tax rates for each transaction. The combined rate depends on the sale location and includes state, county, and local components. This guide explains where the official rates are published, which offices enforce collection and licensing, common compliance risks, and practical steps to register, collect, file, and appeal.

Where official rates are published

The Illinois Department of Revenue maintains the authoritative sales and use tax rate lookup for addresses and taxing districts; use the department lookup to compute combined rates for retail transactions. Illinois Department of Revenue sales and use tax rates and lookup[1]

The City of Aurora publishes ordinances and local code provisions via its municipal code host; local ordinances affecting licensing or local tax measures appear in the municipal code. City of Aurora Code of Ordinances (Municode)[2]

Always verify the rate by address on the Illinois Department of Revenue site before quoting tax to a customer.

Penalties & Enforcement

The following summarizes enforcement roles and typical compliance outcomes. For specific penalty figures and procedural details consult the cited official pages; municipal fine amounts or escalation steps are not always listed in a single local ordinance and may be addressed by state rules or administrative process.

  • Fines and monetary penalties: not specified on the cited page for municipal fines; state penalties, interest, and additions for late filing and late payment are administered by the Illinois Department of Revenue and described on the IDOR site.[1]
  • Enforcement and escalation: primary collection and audit authority for sales and use tax is the Illinois Department of Revenue; the City of Aurora enforces local licensing and any municipal ordinances shown in the municipal code.[1][2]
  • Non-monetary sanctions: may include license suspension, administrative orders, or court action; specific remedies or procedures are contained in applicable statutes or ordinances and are not consolidated on a single municipal page.
  • Appeals and review: appeal routes vary by the issuing authority (administrative review with IDOR or municipal hearing processes); exact time limits and steps are not specified on the cited municipal page and should be confirmed with the enforcing office.[2]
  • Inspection, audit, and complaints: audits and collection actions are handled by IDOR; municipal business license complaints are handled by City of Aurora departments referenced in the municipal code.[1][2]
Municipal ordinance pages may not list monetary penalty amounts; check state penalty rules for tax filing defaults.

Applications & Forms

Retailers must register for an Illinois sales tax account with the Illinois Department of Revenue to collect and remit state and local sales taxes. City business licenses or local permits required by Aurora appear in the municipal code or on the city website; specific form numbers or local filing fees are not specified on the cited municipal code page.[2][1]

Common violations and typical outcomes

  • Failing to register or obtain a sales tax account — may lead to assessments and interest by IDOR.
  • Collecting incorrect rate for the sale location — may result in audit adjustments and customer liability.
  • Failing to remit collected taxes timely — state interest and penalties may apply.

FAQ

How do I find the combined sales tax rate for a customer address?
Use the Illinois Department of Revenue sales and use tax rate lookup tool to enter the address and view the combined rate for that location.[1]
Does the City of Aurora set its own sales tax rate?
Local tax components and any municipal ordinances appear in the City of Aurora code; the combined rate displayed by IDOR reflects state and local components together.[2]
Where do I register to collect sales tax?
Retailers register with the Illinois Department of Revenue for a sales tax account; the city may require a separate business license per municipal rules.[1][2]

How-To

  1. Confirm the sale location (shipping or point-of-sale address) to determine the correct taxing jurisdiction.
  2. Lookup the combined rate for that address using the Illinois Department of Revenue rate lookup.[1]
  3. Register for an Illinois sales tax account with IDOR and obtain any City of Aurora business licenses required by local code.[1][2]
  4. Collect the correct tax at the point of sale, file returns and remit payments to IDOR by the required deadlines, and retain records for audits.
  5. If you receive a notice or assessment, follow the appeal instructions from the issuing authority and observe any administrative deadlines shown on the notice.

Key Takeaways

  • Always verify the combined rate by address on the Illinois Department of Revenue lookup before charging tax.
  • Register with IDOR and confirm whether the City of Aurora requires a separate business license under its municipal code.

Help and Support / Resources

  1. [1] Illinois Department of Revenue - Sales and Use Tax Rates and Lookup
  2. [2] City of Aurora Code of Ordinances - Municode

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