Legal and Financial Review in One Case
We approach every property tax appeal with the combined strength of an attorney and CPA, so your case covers both the legal arguments and the valuation.
Cook County Property Tax Appeal Law Firm
Led by Attorneys & CPAs—pay nothing unless you save
Enter your address or 14-digit PIN. In under a minute, see whether your assessment is higher than similar homes nearby and what an appeal could save. If it is, sign up and we file your appeal for you.
For Homeowners and Commercial Owners in All 38 Cook County Townships
Own a commercial or apartment building? See how commercial property tax appeals work ->
No Savings, No Fee
$0 Upfront Fee
We Handle Everything
From filing to the final decision
One Fee Per Appeal
You pay only on the first year's savings.
Why Owners Choose Us
Cook County Property Tax Appeal Services for Chicago & Suburban Homeowners
Our Cook County property tax appeal service combines legal strategy and financial analysis to maximize reductions. We represent both residential and commercial property owners across Chicago and surrounding suburbs.
Property Tax Appeals With No Upfront Fees
Pay nothing upfront. Our fee is 25% of your first-year tax savings, invoiced only after your assessment is reduced. If there is no reduction, there is no fee. In all cases, you only pay based on the first year of savings — regardless of how many years the reduction applies.
An Attorney and a CPA on Every Appeal
Your appeal is handled by both a licensed Illinois tax attorney and a CPA. This dual expertise ensures your property tax appeal is legally strong and financially accurate, increasing your chances of maximum tax reduction.
Advanced Tax Law Training (LL.M. in Taxation)
Our founder holds an LL.M. in Taxation, an advanced degree in tax law, as well as a law degree and a CPA license.
Three-Tier Cook County Appeal Strategy
We fight your property tax assessment at every level: Assessor, Board of Review, and then the Illinois Property Tax Appeal Board (PTAB) or the Circuit Court. If one venue does not lower your assessment enough, the next one can review it again.
ASSESSOR → BOARD OF REVIEW → PTAB OR CIRCUIT COURT
Focused Only on Cook County Property Taxes
Our office is in Palos Heights, and we represent owners in all 38 Cook County townships, including the City of Chicago. Knowing local assessments, townships and valuation trends helps us find errors and build stronger appeal cases.
Transparent Property Tax Appeal Process
Track your Cook County property tax appeal in real time through our secure client portal. Get clear updates from filing to final decision, so you always know the status of your case.
Firm Leadership
A Property Tax Attorney and CPA, Working to Lower Your Cook County Taxes
Why hire just a lawyer or just an accountant when you can have both? Work with a trusted Cook County property tax appeal attorney and CPA who brings together advanced legal strategy and precise financial analysis to maximize your tax savings.
If you're overpaying on property taxes in Cook County, a standard approach is not enough. You need a firm that understands both the legal and financial sides of your assessment.
Our firm focuses on Cook County property tax appeals and Illinois property tax appeals, combining legal expertise with detailed valuation analysis to uncover errors, challenge assessments, and build strong cases for reduction.
Representation at the Board of Review and PTAB
Appeals before the Board of Review or PTAB demand more than basic representation. As a dual-licensed Cook County property tax appeal attorney and CPA, we present the evidence, challenge flawed valuations, and build a strong case for a lower assessment.
Recent Results
Recent Cook County Property Tax Reductions
Recent results from our appeals across Cook County. Each card shows the property's market value before and after the appeal, the venue that decided it, and the first-year tax savings.
In 2025 our clients were 1.7 times as likely to win a reduction at the Assessor, and 1.3 times as likely at the Board of Review, as clients of attorneys with 100+ decided residential appeals (2.2 times at the Assessor in 2026 so far, as of October 29, 2026).
Source: Cook County Assessor and Board of Review public appeal records. Past results do not guarantee a similar outcome.
Our Services
Cook County Property Tax Appeal Services for Homes & Commercial Properties
Cook County Residential Property Tax Appeals
Unfair assessment? We handle everything.
From single-family homes to condos and two- to six-unit buildings, our team handles the full appeal and asks for a fair valuation. We provide in-depth valuation to find hidden savings, exemption review & optimization, deadline & paperwork management, and evidence-based customized appeals, all at zero upfront cost.
Properties We Appeal
Multi-Family Buildings
Cook County Commercial Property Tax Appeals
Overpaying? We build defensible cases.
We represent owners of retail centers, warehouses, apartment buildings and mixed-use properties, with cases built on each property's income and expenses. Our team handles advanced commercial property analysis, technology-driven case preparation, direct representation before the Assessor, the Board of Review, PTAB and the Circuit Court, and transparent case tracking & reporting from start to finish.
Properties We Appeal
Office Buildings
Our Simple Process
How the Cook County Property Tax Appeal Process Works
You check your property and sign online. We build the case, file it and follow it to a decision.
- 1
Check your property free. It takes under a minute.
- 2
Sign up online in a few minutes. Nothing to pay up front.
- 3
We build the evidence and file your appeal in your township's windows, usually at the Cook County Assessor and then at the Board of Review.
- 4
The county decides. If your assessment is reduced, the lower tax shows on your second-installment bill the following year. We invoice our fee, 25% of the first-year savings, after that bill is issued.
If the Board's decision is still too high, we tell you whether an appeal to PTAB, or a tax objection complaint in the Circuit Court, is worth filing; you decide, on the same fee terms. You can appeal every year, not only in your reassessment year.
How a Cook County property tax appeal works, step by step ->
Own a commercial or apartment building? See how commercial property tax appeals work ->
Client Stories
Cook County Property Tax Appeal Reviews
What our clients say about working with us.
Client Stories
Cook County Property Tax Appeal Reviews
What our clients say about working with us.
Past results do not guarantee a similar outcome.
Township-by-Township Appeal Windows
Don't Miss Your Cook County Property Tax Appeal Deadline
Each Cook County township has two filing windows per year: one at the Cook County Assessor and a separate one at the Cook County Board of Review. Each window opens when that body announces it for your township and closes on the township-specific last filing date the body sets: about six weeks at the Assessor and about 30 days at the Board of Review. You can appeal every year, not only in your reassessment year.
If you missed both windows this year, a Certificate of Error can still correct a factual error or a missing exemption, and every township's windows open again next year. After the Board of Review decides, you can go to PTAB or to the Circuit Court, not both.
1
Level 1: Cook County Assessor (optional)
File with the Cook County Assessor while your township's window is open. It opens when the Assessor mails the township's assessment notices and closes on the date the Assessor sets, about six weeks later. The Assessor stage is optional, but filing there gives you two chances at a reduction instead of one, so we usually file at both.
2
Level 2: Cook County Board of Review
File with the Cook County Board of Review while it is open for your township, about 30 days. You can file whether or not the Assessor lowered your assessment, or even if you did not file there. The Board is independent of the Assessor and decides on the evidence you send.
3
Level 3: PTAB or Circuit Court
If the Board of Review's decision is still too high, the appeal can go one step further: to the Illinois Property Tax Appeal Board (PTAB) or, instead, to the Circuit Court of Cook County. That step has a short deadline, so we tell you quickly whether we recommend it.
How a Cook County property tax appeal works, step by step ->
Not open yet? Sign up now. When your township's new assessments are published, we review your property and file if the record supports an appeal.
Our Blog
Cook County Property
Tax Appeal Blog
News, Tips & Savings Strategies
Stay informed with insights from our attorneys and CPAs on Cook County property tax appeals. From deadline alerts and assessment trends to money-saving strategies—our blog covers everything homeowners and investors need to reduce their tax bills and protect their bottom line.
See All Articles
Common Questions
Frequently Asked Questions
Quick answers to the questions owners ask first.
A property tax assessment appeal is a formal request to challenge the Assessor's or Board of Review's valuation of your property. It uses evidence such as comparable sales, lack of uniformity, or factual property errors to argue the assessed value is too high, which can lower your tax bill.
Want to know if your assessment is too high? Check your property free →
Most properties qualify if the Assessor's value exceeds true market value. Qualifying factors: overvaluation, lack of uniformity vs. comparable properties, property data errors (square footage, units, classification), hardship (deferred maintenance, vacancy, fire damage), or—for commercial—income/expense discrepancies.
Want to know if your assessment is too high? Check your property free →
The full guide: How do I appeal my Cook County property taxes? →
An appeal is both legal and financial. Attorneys handle filings, briefs, and procedure with the Assessor, Board of Review, and PTAB; CPAs review commercial financials (income, expenses, vacancy, depreciation); and data analysts compare countywide assessment data to find lack of uniformity and over-assessments.
Want to know if your assessment is too high? Check your property free →
Cook County Property Tax Appeal Law Firm
Led by Attorneys & CPAs—pay nothing unless you save
Enter your address or 14-digit PIN. In under a minute, see whether your assessment is higher than similar homes nearby and what an appeal could save. If it is, sign up and we file your appeal for you.
For Homeowners and Commercial Owners in All 38 Cook County Townships
Own a commercial or apartment building? See how commercial property tax appeals work ->
No Savings, No Fee
$0 Upfront Fee
We Handle Everything
From filing to the final decision
One Fee Per Appeal
You pay only on the first year's savings.
Cook County Property Tax Appeal Law Firm
Led by Attorneys & CPAs—pay nothing unless you save
Enter your address or 14-digit PIN. In under a minute, see whether your assessment is higher than similar homes nearby and what an appeal could save. If it is, sign up and we file your appeal for you.
For Homeowners and Commercial Owners in All 38 Cook County Townships
No Savings, No Fee$0 Upfront Fee
We Handle EverythingFrom filing to the final decision
One Fee Per AppealYou pay only on the first year's savings.
Why Owners Choose Us
Cook County Property Tax Appeal Services for Chicago & Suburban Homeowners
Our Cook County property tax appeal service combines legal strategy and financial analysis to maximize reductions. We represent both residential and commercial property owners across Chicago and surrounding suburbs.
Why Owners Choose Us
Cook County Property Tax Appeal Services for Chicago & Suburban Homeowners
Our Cook County property tax appeal service combines legal strategy and financial analysis to maximize reductions. We represent both residential and commercial property owners across Chicago and surrounding suburbs.
Property Tax Appeals With No Upfront Fees
Pay nothing upfront. Our fee is 25% of your first-year tax savings, invoiced only after your assessment is reduced. If there is no reduction, there is no fee. In all cases, you only pay based on the first year of savings — regardless of how many years the reduction applies.
An Attorney and a CPA on Every Appeal
Your appeal is handled by both a licensed Illinois tax attorney and a CPA. This dual expertise ensures your property tax appeal is legally strong and financially accurate, increasing your chances of maximum tax reduction.
Advanced Tax Law Training (LL.M. in Taxation)
Our founder holds an LL.M. in Taxation, an advanced degree in tax law, as well as a law degree and a CPA license.
Three-Tier Cook County Appeal Strategy
We fight your property tax assessment at every level: Assessor, Board of Review, and then the Illinois Property Tax Appeal Board (PTAB) or the Circuit Court. If one venue does not lower your assessment enough, the next one can review it again.
ASSESSOR → BOARD OF REVIEW → PTAB OR CIRCUIT COURT
Focused Only on Cook County Property Taxes
Our office is in Palos Heights, and we represent owners in all 38 Cook County townships, including the City of Chicago. Knowing local assessments, townships and valuation trends helps us find errors and build stronger appeal cases.
Transparent Property Tax Appeal Process
Track your Cook County property tax appeal in real time through our secure client portal. Get clear updates from filing to final decision, so you always know the status of your case.
Firm Leadership
A Property Tax Attorney and CPA, Working to Lower Your Cook County Taxes
Firm Leadership
A Property Tax Attorney and CPA, Working to Lower Your Cook County Taxes
Why hire just a lawyer or just an accountant when you can have both? Work with a trusted Cook County property tax appeal attorney and CPA who brings together advanced legal strategy and precise financial analysis to maximize your tax savings.
If you're overpaying on property taxes in Cook County, a standard approach is not enough. You need a firm that understands both the legal and financial sides of your assessment.
Our firm focuses on Cook County property tax appeals and Illinois property tax appeals, combining legal expertise with detailed valuation analysis to uncover errors, challenge assessments, and build strong cases for reduction.
Legal and Financial Review in One Case
We approach every property tax appeal with the combined strength of an attorney and CPA, so your case covers both the legal arguments and the valuation.
Representation at the Board of Review and PTAB
Appeals before the Board of Review or PTAB demand more than basic representation. As a dual-licensed Cook County property tax appeal attorney and CPA, we present the evidence, challenge flawed valuations, and build a strong case for a lower assessment.
Recent Results
Recent Cook County Property Tax Reductions
Recent results from our appeals across Cook County. Each card shows the property's market value before and after the appeal, the venue that decided it, and the first-year tax savings.
In 2025 our clients were 1.7 times as likely to win a reduction at the Assessor, and 1.3 times as likely at the Board of Review, as clients of attorneys with 100+ decided residential appeals (2.2 times at the Assessor in 2026 so far, as of October 29, 2026).
Source: Cook County Assessor and Board of Review public appeal records. Past results do not guarantee a similar outcome.
Recent Results
Recent Cook County Property Tax Reductions
Recent results from our appeals across Cook County. Each card shows the property's market value before and after the appeal, the venue that decided it, and the first-year tax savings.
In 2025 our clients were 1.7 times as likely to win a reduction at the Assessor, and 1.3 times as likely at the Board of Review, as clients of attorneys with 100+ decided residential appeals (2.2 times at the Assessor in 2026 so far, as of October 29, 2026).
Source: Cook County Assessor and Board of Review public appeal records. Past results do not guarantee a similar outcome.
Our Services
Cook County Property Tax Appeal Services for Homes & Commercial Properties
Our Services
Cook County Property Tax Appeal Services for Homes & Commercial Properties
Cook County Residential Property Tax Appeals
Unfair assessment? We handle everything.
From single-family homes to condos and two- to six-unit buildings, our team handles the full appeal and asks for a fair valuation. We provide in-depth valuation to find hidden savings, exemption review & optimization, deadline & paperwork management, and evidence-based customized appeals, all at zero upfront cost.
Properties We Appeal
Multi-Family Buildings
Cook County Commercial Property Tax Appeals
Overpaying? We build defensible cases.
We represent owners of retail centers, warehouses, apartment buildings and mixed-use properties, with cases built on each property's income and expenses. Our team handles advanced commercial property analysis, technology-driven case preparation, direct representation before the Assessor, the Board of Review, PTAB and the Circuit Court, and transparent case tracking & reporting from start to finish.
Properties We Appeal
Office Buildings
OUR SIMPLE PROCESS
How the Cook County Property Tax Appeal Process Works
You check your property and sign online. We build the case, file it and follow it to a decision.
If the Board's decision is still too high, we tell you whether an appeal to PTAB, or a tax objection complaint in the Circuit Court, is worth filing; you decide, on the same fee terms. You can appeal every year, not only in your reassessment year.
How a Cook County property tax appeal works, step by step ->
Our Simple Process
How the Cook County Property Tax Appeal Process Works
You check your property and sign online. We build the case, file it and follow it to a decision.
- 1
Check your property free. It takes under a minute.
- 2
Sign up online in a few minutes. Nothing to pay up front.
- 3
We build the evidence and file your appeal in your township's windows, usually at the Cook County Assessor and then at the Board of Review.
- 4
The county decides. If your assessment is reduced, the lower tax shows on your second-installment bill the following year. We invoice our fee, 25% of the first-year savings, after that bill is issued.
If the Board's decision is still too high, we tell you whether an appeal to PTAB, or a tax objection complaint in the Circuit Court, is worth filing; you decide, on the same fee terms. You can appeal every year, not only in your reassessment year.
How a Cook County property tax appeal works, step by step ->
Own a commercial or apartment building? See how commercial property tax appeals work ->
Client Stories
Cook County Property Tax Appeal Reviews
What our clients say about working with us.
Client Stories
Cook County Property Tax Appeal Reviews
What our clients say about working with us.
Past results do not guarantee a similar outcome.
Township-by-Township Appeal Windows
Don’t Miss Your Cook County Property Tax Appeal Deadline
Each Cook County township has two filing windows per year: one at the Cook County Assessor and a separate one at the Cook County Board of Review. Each window opens when that body announces it for your township and closes on the township-specific last filing date the body sets: about six weeks at the Assessor and about 30 days at the Board of Review. You can appeal every year, not only in your reassessment year.
If you missed both windows this year, a Certificate of Error can still correct a factual error or a missing exemption, and every township's windows open again next year. After the Board of Review decides, you can go to PTAB or to the Circuit Court, not both.
File with the Cook County Assessor while your township's window is open. It opens when the Assessor mails the township's assessment notices and closes on the date the Assessor sets, about six weeks later. The Assessor stage is optional, but filing there gives you two chances at a reduction instead of one, so we usually file at both.
File with the Cook County Board of Review while it is open for your township, about 30 days. You can file whether or not the Assessor lowered your assessment, or even if you did not file there. The Board is independent of the Assessor and decides on the evidence you send.
If the Board of Review's decision is still too high, the appeal can go one step further: to the Illinois Property Tax Appeal Board (PTAB) or, instead, to the Circuit Court of Cook County. That step has a short deadline, so we tell you quickly whether we recommend it.
How a Cook County property tax appeal works, step by step ->
Not open yet? Sign up now. When your township's new assessments are published, we review your property and file if the record supports an appeal.
Our Blog
Cook CountyProperty Tax Appeal Blog
News, Tips & Savings Strategies
Stay informed with insights from our attorneys and CPAs on Cook County property tax appeals. From deadline alerts and assessment trends to money-saving strategies, our blog covers everything homeowners and investors need to reduce their tax bills and protect their bottom line.
See All ArticlesOur Blog
Cook County Property Tax Appeal Blog
News, Tips & Savings Strategies
Stay informed with insights from our attorneys and CPAs on Cook County property tax appeals. From deadline alerts and assessment trends to money-saving strategies—our blog covers everything homeowners and investors need to reduce their tax bills and protect their bottom line.
OCT 24, 2026
Rich Property Tax Appeal Deadline 2026 — Assessor (CCAO) Window Closes December 4, 2026
Rich's Assessor (CCAO) appeal window closes December 4, 2026. Rich outcome data, the tax math on the median home, and how to file on time.
CCTA TeamRead More
OCT 24, 2026
Niles Property Tax Appeal Deadline 2026 — Assessor (CCAO) Window Closes December 3, 2026
Niles's Assessor (CCAO) appeal window closes December 3, 2026. Niles outcome data, the tax math on the median home, and how to file on time.
CCTA TeamRead More
OCT 24, 2026
Hanover Property Tax Appeal Deadline 2026 — Assessor (CCAO) Window Closes December 7, 2026
Hanover's Assessor (CCAO) appeal window closes December 7, 2026. Hanover outcome data, the tax math on the median home, and how to file on time.
CCTA TeamRead More
Common Questions
Frequently Asked Questions
Quick answers to the questions owners ask first.
A property tax assessment appeal is a formal request to challenge the Assessor's or Board of Review's valuation of your property. It uses evidence such as comparable sales, lack of uniformity, or factual property errors to argue the assessed value is too high, which can lower your tax bill.
Want to know if your assessment is too high? Check your property free →
Most properties qualify if the Assessor's value exceeds true market value. Qualifying factors: overvaluation, lack of uniformity vs. comparable properties, property data errors (square footage, units, classification), hardship (deferred maintenance, vacancy, fire damage), or—for commercial—income/expense discrepancies.
Want to know if your assessment is too high? Check your property free →
The full guide: How do I appeal my Cook County property taxes? →
An appeal is both legal and financial. Attorneys handle filings, briefs, and procedure with the Assessor, Board of Review, and PTAB; CPAs review commercial financials (income, expenses, vacancy, depreciation); and data analysts compare countywide assessment data to find lack of uniformity and over-assessments.
Want to know if your assessment is too high? Check your property free →