Taxpayer Resources
Official Federal, State & Local Tax Resources
Finding reliable tax information shouldn’t be complicated. We’ve organized helpful resources from the IRS, state tax agencies, and local government offices so you can quickly find official information, forms, payment options, and taxpayer tools.
Whether you’re an individual taxpayer or a business owner, our articles and videos are designed to help you understand important financial issues, ask better questions, and make informed decisions.
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Federal Tax Resources
The IRS and other federal agencies provide official information and online tools for filing, payments, business requirements, and other tax matters. Use the resources below to access information directly from the appropriate federal agency.
Internal Revenue Service (IRS)
Access federal tax forms, instructions, publications, filing information, and other official tax guidance.
IRS Online Account
View tax records, certain notices, payment history, balances, and other information associated with your federal tax account.
IRS Payments
Review federal tax payment options and make payments directly through IRS-approved methods.
IRS Forms & Publications
Find current and prior-year federal tax forms, instructions, and IRS publications.
Employer Identification Number (EIN)
Review EIN requirements and apply for an Employer Identification Number directly with the IRS.
Small Business & Self-Employed Tax Center
Access IRS information about business taxes, estimated taxes, employment taxes, recordkeeping, and other requirements for businesses and self-employed taxpayers.
Illinois & State Tax Resources
State tax requirements vary by jurisdiction. These official resources can help you find information about income taxes, business taxes, sales taxes, withholding, filing requirements, payments, and other state tax matters.
Illinois Department of Revenue
Access Illinois tax forms, filing information, payment options, business tax guidance, and other official state tax resources.
MyTax Illinois
File certain Illinois returns, make payments, manage tax accounts, and access other online services provided by the Illinois Department of Revenue.
Illinois Secretary of State
Find information about Illinois business entities, registrations, annual reports, and other business filing requirements.
Looking for another state?
Find the official tax agency for any U.S. state to access state-specific forms, filing requirements, payment options, and tax information.
DuPage County & Local Tax Resources
Local tax and property information is generally administered by county and municipal government offices. For taxpayers in DuPage County, these official resources provide access to property tax bills, assessments, exemptions, payment information, and other local services.
DuPage County Treasurer
View property tax bills, payment information, due dates, payment history, and other property tax resources.
DuPage County Supervisor of Assessments
Find property assessment information, review available property tax exemptions, and access assessment forms and resources.
DuPage County Property Lookup
Search property records and view assessment and property tax information for a specific parcel.
DuPage County Clerk
Access information about tax extensions, tax rates, and other county records and services.
Outside DuPage County?
Property taxes and other local tax matters are generally handled by your county or local government. Visit your county’s official website to find the appropriate assessor, treasurer, or tax office.
Need Help Applying Tax Information to Your Situation?
Official tax resources are useful for finding forms, deadlines, payment options, and general guidance. But understanding how tax rules apply to your specific circumstances can be more complex.
DuPage Tax Solutions provides tax preparation, accounting, and proactive tax planning for individuals and businesses nationwide. Our experienced professionals can help you understand your options, meet your tax obligations, and make informed financial decisions.
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