Illinois Assessment Appeal

Property Tax Reduction Services

  • Yes, O’Connor CAN help you reduce your property taxes
  • Yes – there is NEVER a fee unless we reduce your property taxes
  • Simple online enrollment in just 2 or 3 minutes


Property Tax Protection Program is powered by O’Connor & Associates

  • Free enrollment: no credit card required. No upfront fees. Pay nothing unless we reduce your property taxes.

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Kelsie Neahring, Property Tax Consultant

Kelsie Neahring heads residential and commercial property tax consulting for O’Connor’s Chicago office. Prior to joining O’Connor, Kelsie worked for the Kendall County State’s Attorney’s Office as a criminal litigator. Her experience in trials and hearings provides O’Connor’s clients with an advantage in hearings and negotiations. She enjoys crafting innovative ways to make arguments and build evidence for hearings. Kelsie is a graduate of Chicago-Kent College of Law, Illinois Institute of Technology.

ENROLL TODAY In the Property Tax Protection Program™

Your property taxes will be aggressively protested every year by the #1 property tax firm in the country. If your taxes are not reduced you PAY NOTHING, and a portion of the tax savings is the only fee you pay when your taxes are reduced! Many FREE benefits come with enrollment.

Illinois Property Tax Appeal

O’Connor is the leading company representative for the Illinois property owners because:

  • For over 20 years, O’Connor has provided property tax consulting services and has continuously produced results.
  • O’Connor is the most aggressive property tax consultant.
  • We know the processes and appropriate contacts at Illinois Assessor’s Office.
  • Our experience has allowed us to compile sales and unequal appraisal data consistent with the format expected by the Illinois Assessor’s Office

Illinois Property Tax Reduction

How to Protest your Property Taxes with O’Connor

Review your property tax assessment

  • Does it look right? Do you feel it should be lower?
  • Are these mistakes?
  • Is the assessor’s market value higher than actual market value?

Enroll online with O’Connor

  • We analyze existing documents
  • Our agents research, prepare evidence and present appeals on your behalf
  • Our team coordinates a mutually agreed lawsuit when appropriate

The Property Tax Protection Program™ Works for You!

It’s YOUR RIGHT to file a property tax appeal each year. It’s also YOUR MONEY that the County keeps when you overpay. Not anymore! Enrollment in the RISK-FREE program means your family is protected for as long as you own your home.

  • No cost to enroll
  • Free secure customer portal designed for your convenience
  • Free subscription to tax saving tips throughout the year

Our Proven Process:

  • Analyzes existing assessments
  • Researches, prepares and presents property tax appeals on your behalf at informal hearings
  • Coordinates a mutually agreed lawsuit, if appropriate

You are not billed for court costs, appraisals, expert witness fees or legal fees. You pay us only if we reduce your taxes! You have zero risk.

ENROLL TODAY In the Property Tax Protection Program™

Your property taxes will be aggressively protested every year by the #1 property tax firm in the country. If your taxes are not reduced you PAY NOTHING, and a portion of the tax savings is the only fee you pay when your taxes are reduced! Many FREE benefits come with enrollment.