Illinois Commercial Assessment Appeal

O’Connor’s coordinated approach helps you save money!

Property Tax Reduction Services

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

Please take notice: 2023 appeal year deadlines are being posted in townships state-wide. If you sign up after your township’s Enrollment Deadline, we will do our best to assist your 2023 appeal with analytics and research. Click here to see current deadlines. However, we can file be ready to offer assistance to your legal team for the 2024 appeal.

Chicago Office

  • 75 Executive Drive, Suite 349, Aurora, IL 60504
  • 708-630-0944

Illinois Commercial Assessment Appeal

Jeff Cullen

Jeff Cullen, Property Tax Consultant

Jeff Cullen brings over two decades of leadership in hospitality and client service to O’Connor in his role providing support to property owners across the Chicago region. He understands the obstacles of this market, and he is dedicated to helping clients confidently navigate property tax matters.

With a background in management at high-profile hotels and gaming in downtown Chicago as well as leading customer satisfaction efforts in the luxury automotive space, Jeff combines operational insight with a strong service ethic. Jeff’s service training from the Disney Institute and Nordstrom, afforded the foundation leading to his responsiveness, attention to detail, and delivery of exceptional client experience across the local property tax landscape.

ENROLL TODAY In the Property Tax Protection Program™

As one of the top property tax firms in the nation, we will ensure that your appeal is supported by the best analytics and data possible. 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.

ENROLL NOW

Illinois Property Tax Appeal

O’Connor is one of the leading consulting companies for the Illinois property owners because:

  • For over 20 years, O’Connor has provided property tax consulting services and has continuously produced results.For over 50 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 your county assessor’s office.
  • Our experience has allowed us to compile sales and unequal appraisal data consistent with the format expected by your local county assessor’s office.

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 provide analysis to support your attorney in the appeal process
  • 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
  • Coordinates with a legal team to ensure that you always have expert representation.
  • Coordinates a mutually agreed lawsuit, if appropriate

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

ENROLL TODAY In the Property Tax Protection Program™

Your property’s assessment will be reviewed and analyzed each year by one of the largest property tax consulting firms. 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.

ENROLL NOW

Property Tax Locations

Chicago Office

Chicago Office

(By appointment only)
75 Executive Drive,
Suite 349 Aurora, IL 60504 708-630-0944

Houston Office

Houston Office

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

Dallas Office

Dallas Office

(By appointment only)
4101 McEwen Rd, Suite 200
Dallas, TX 75244 972-243-9966

San Antonio

San Antonio Office

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

New York Office

New York Office

(By appointment only)
70 East Sunrise Hwy, Suite 500
Valley Stream, NY 11581 934-203-9917

Georgia Office
Georgia Office

Atlanta Office

(By appointment only)
4751 Best Road, Suite 316
College Park, GA 30337 770-835-4126

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

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.