Property Tax Law Firm for Chicago, IL
At Park & Longstreet, P.C., we are the trusted property tax law firm for Chicago, IL, property owners who may be paying more than their fair share in taxes. Serving Chicago and all of Cook County, IL, we focus exclusively on property tax appeals for residential, rental, commercial, and industrial property owners. Call (847) 380-3588 or contact our team today to request a free property tax analysis.

Why Chicago Property Owners Trust Park & Longstreet for Tax Appeals
We concentrate solely on property tax law, meaning every resource is devoted to one goal: reducing your tax burden. Before founding the firm, both partners served as Hearing Officers with the Illinois Property Tax Appeal Board, where they presided over thousands of appeals and analyzed evidence to determine accurate assessments. That insider experience shapes every strategy we build for our clients.
We serve residential homeowners, landlords, and small commercial and industrial property owners across Cook County, IL. Whether you own a condo in Lincoln Park, a multi-unit building in Logan Square, or a commercial space in the Loop, our property tax law firm tailors every strategy to your specific property, goals, and circumstances.
Here are the key reasons Chicago property owners choose to work with us:
▸ Exclusive focus on property tax law with no competing practice areas to divide our attention.
▸ Attorneys who are former Illinois Property Tax Appeal Board Hearing Officers, bringing unmatched insider knowledge to every case.
▸ A contingency based fee structure, meaning legal fees are only collected if a reduction is secured.
▸ Personalized strategy built around each property's unique situation and specific needs.
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Transparent communication throughout every stage of the appeal process so you are never left wondering.
What Does the Property Tax Appeal Process Look Like?
Here is what you can generally expect when working with Park & Longstreet, P.C.:
- Free Property Tax Analysis: We review your current assessment at no cost to determine whether an appeal may be worth pursuing.
- Strategy Development: Our attorneys build a case specific to your property, gathering evidence such as comparable sales data and property condition details.
- Filing the Appeal: We file on your behalf with the appropriate authority, whether that is the Assessor, the Cook County Board of Review, or the Illinois Property Tax Appeal Board.
- Hearing Representation: Our attorneys represent you at any scheduled hearings, presenting arguments and evidence to support a lower assessment.
- Resolution and Follow Up: We keep you informed of outcomes and can pursue additional levels of appeal if an initial result does not meet your goals.
You pay no legal fees unless we secure a reduction in your assessment.
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Park & Longstreet, P.C., on Google Maps for directions and additional details.
Why Working With a Property Tax Law Firm in Chicago, IL, May Save You More
Park & Longstreet, P.C. is a Chicago, IL, firm that focuses exclusively on helping Cook County property owners reduce over-assessed tax bills. Choosing dedicated legal representation may offer advantages that go well beyond what a self-filed appeal can achieve.
Working with a professional firm can benefit you in several meaningful ways:
▸ The firm operates on a contingency fee model, meaning you pay no attorney fees unless your assessment is reduced.
▸ Attorneys with former Illinois Property Tax Appeal Board experience may identify appeal grounds a property owner could easily miss.
▸ The firm can handle filings at the Assessor, the Board of Review, and the Illinois Property Tax Appeal Board on your behalf.
▸ Legal representation may help residential, rental, commercial, and industrial property owners achieve fair assessments across Cook County.
▸ A performance-based fee structure keeps the firm's goals aligned with yours throughout the entire process.
To request a free property tax analysis, contact Park & Longstreet, P.C. at
(847) 380-3588 or visit the
contact page.
Commercial Property Tax Attorney in Chicago, IL
Park & Longstreet, P.C. serves as a dedicated commercial property tax attorney in Chicago, IL, helping office, retail, industrial, and mixed-use property owners challenge over-assessed valuations across Cook County.
Most commercial properties in Cook County are assessed at 25% of fair market value before the state equalization factor is applied. The Cook County equalization factor typically exceeds 3.00, meaning even modest assessment errors can amplify into thousands of dollars in excess taxes.
How the Income Approach Can Affect Your Commercial Assessment
The Cook County Assessor's Office uses the income approach to reassess most commercial properties. Assessors may overestimate rental income, ignore high vacancy rates, use inappropriate comparables, or apply outdated capitalization rates. A well-documented appeal presents actual rent rolls, lease agreements, and operating statements to show the assessed value overstates realistic income. The attorneys at Park & Longstreet, P.C. build that evidentiary record and present it effectively at the Assessor's Office, the Cook County Board of Review, or before the Illinois Property Tax Appeal Board.
Cook County Class 6B and Class L Tax Incentives
Certain Chicago commercial and industrial properties may qualify for Cook County incentive classifications that reduce the tax burden over time.
Class 6B encourages industrial development, rehabilitation, and revitalization of vacant structures. Properties receiving Class 6B are assessed at 10% of market value for the first 10 years, 15% in year 11, and 20% in year 12, compared to the standard 25% industrial rate.
Class L supports preservation and rehabilitation of landmark commercial, industrial, and income-producing nonprofit buildings. Owners may have assessment levels reduced for 12 years provided they invest at least half the building's value in an approved rehabilitation project. City of Chicago support is required. Both incentives involve application requirements and municipal approvals that benefit from experienced legal guidance.
Commercial Property Types Served in Chicago
Park & Longstreet, P.C. represents owners across the full spectrum of income-producing commercial real estate in Chicago and Cook County, including office buildings, retail properties, industrial and warehouse facilities, and mixed-use buildings combining ground-floor commercial with residential units above. Each property type carries distinct valuation considerations that affect the income approach differently. Reach out to Park & Longstreet, P.C. to discuss your commercial property.
Frequently Asked Questions From Chicago Commercial Property Owners
What Makes a Commercial Property Tax Appeal Different From a Residential One?
Commercial appeals typically rely on income-approach analysis rather than comparable sales. An attorney may present rent rolls, vacancy data, operating expenses, and market-derived capitalization rates to demonstrate the assessed value exceeds realistic income-producing potential. The evidentiary standard is more demanding, and the financial stakes are generally higher.
Which Cook County Incentive Classifications Apply to Chicago Commercial Properties?
Class 6B, Class 7(a), 7(b), 7(c), and Class 8 incentives lower tax burdens for new and expanding businesses. Class L applies to designated Chicago Landmarks or contributing buildings in a landmark district. Eligibility depends on property use, project type, investment level, and municipal support.
When Should a Chicago Commercial Owner File a Property Tax Appeal?
Appeals must be filed while a property's township is open with the Cook County Assessor's Office. Missing this window means waiting until the next reassessment cycle. Acting promptly after receiving a new assessment notice gives an attorney time to gather the documentation needed for a compelling case.
Can a Commercial Property Tax Attorney Challenge Multiple Properties at Once?
Yes. Park & Longstreet, P.C. manages appeals across multiple commercial parcels simultaneously, coordinating filings across the Assessor's Office, the Board of Review, and the Illinois Property Tax Appeal Board.
How Do I Get Started With a Commercial Property Tax Appeal in Chicago?
Contact Park & Longstreet, P.C. for a free property tax analysis. The firm reviews your assessment, evaluates relevant income and market data, and outlines whether an appeal may reduce your tax obligation. The firm works on contingency — attorney fees apply only if a reduction is obtained. Visit the firm's property tax appeal attorneys page or call to get started.
Get Your Free Property Tax Analysis for Chicago, IL, Today
As a dedicated property tax law firm for Chicago, IL, property owners, we at Park & Longstreet, P.C., are ready to help you challenge an unfair assessment. We have represented thousands of Cook County, IL, property owners and helped save millions in taxes since 2000. Call (847) 380-3588 or visit our contact page to schedule your free analysis today.
