Illinois Commercial 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

Chicago Office

  • 1750 E. Golf Road, Suite 389, Schaumburg, IL 60173
  • 708-630-0944

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

  • Your documents and enrollment information will be emailed to you within one business day after completing basic contact information. Free enrollment; no credit card required. No upfront fees. Pay nothing unless your property taxes are reduced by us.

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David Kieta, Property Tax Consultant

blankDavid Kieta heads residential and commercial property tax consulting for O’Connor’s Chicago office. Prior to joining O’Connor, David worked for the Cook County Board of Review as a residential appeal analyst and was later promoted to commercial appeal analyst. His experience with the county is key in providing the team at O’Connor an inside perspective to the appeal process that is leveraged to the benefit of our clients. David 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 Commercial Assessment 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

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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.

Property Tax Locations

Chicago Office
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Chicago Office

(By appointment only)
1750 E. Golf Road,
Suite 389 Schaumburg, IL 60173 708-630-0944

Atlanta Office
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Atlanta Office

(By appointment only)
1675 Lower Roswell Road,
Marietta, GA 30068 770-835-4126

Houston Office
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Houston Office

(Corporate)
2200 North Loop West,
Suite 200 Houston, TX 77018 713-686-9955

Dallas Office
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Dallas Office

(By appointment only)
12300 Ford Rd., Suite #414
Dallas, TX 75234 972-243-9966

San Antonio
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San Antonio Office

(By appointment only)
8632 Fredericksburg Rd Ste 105
San Antonio TX 78240 210-226-0829

Property Tax Protection Program Benefits
  • No flat fees or upfront costs. No cost ever unless your property taxes are reduced.
  • All practical efforts are made every year to reduce your property taxes.
  • Never miss another appeal deadline.
  • Property taxes protested for you annually.
  • You do not have to accept the appraisal district's initial guesstimate of value.
  • We coordinate with you regarding building size / condition to avoid excess taxes.
  • Free support regarding homestead exemptions.
  • Some years are good - typically 6 to 7 out of 10 will result in tax reduction for you.
  • The other 3 to 4 years out of 10 we strike out. Most often due to people issues in the hearing process. Some years we get an easy appraiser at the informal; some years someone who is impossible to settle with.
About O'Connor
Property Tax Help Specialists

O’Connor provides property tax appeal services to over 100,000 clients in over 40 states. Client tax savings totaled over $120 million in 2020. O’Connor has been serving property owners since 1974, almost 50 years. Client tax savings total over $1,000,000,000.

O’Connor measures its success in client property tax savings, not billings. Our goal is to save clients $1 billion annually.

With over 200 property tax experts, many of whom have worked with us for 10+ years, O’Connor has the expertise to help with your property tax questions and appeals. We literally wrote the books on property tax reduction:

  1. Mass Appraisal for Commercial – What Every Commercial Property Owner Should Know!
  2. What You Need to Know about Business Personal Property
  3. Cut Your Texas Property Taxes
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When O’Connor represents your property for appeal, we handle all the details.

  • We provide a property tax reduction service to commercial property owners in exchange for contingency fees based on the property value.
  • Property valued at less than $1M - our fee is typically 50% of all property taxes saved for the current tax year.
  • Property valued at $1M or more - our fee ranges from 25-40% of the total property taxes saved for the current tax year.

Please contact client services to discuss your account by phone at 708-630-0944 or by email at proptax@poconnor.com.