AI Dispute Engine

Illinois · 765 ILCS 710 (Security Deposit Return Act)

Property Tax Assessment Appeal in DuPage County, Illinois

Answer a few plain-English questions and get a professional property tax appeal letter written from your perspective, grounded in Illinois law. Your first letter is free — no credit card.

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Illinois law at a glance

Response deadline
45 days
Max damages
2x
Small claims limit
$10,000
Statute
765 ILCS 710 (Security Deposit Return Act)

Deposit must be returned within 45 days (30 days for itemized statement). Chicago has stricter local ordinances requiring interest on deposits and 2x damages for violations.

What you'll need

  • Your assessment notice
  • 3-5 comparable sales in your neighborhood
  • Photos of any condition issues
  • Recent appraisal or purchase closing statement

When to send it

  1. Day 0
    Check the assessed value against recent comparable sales.
  2. Within the appeal window
    File the written appeal — windows are short and strict.
  3. Hearing
    Present comparables and condition evidence to the board.
  4. If denied
    Appeal to the state tax tribunal or court.

How it works in DuPage County

STEP 1
Tell us what happened
Answer short questions about your property tax assessment appeal in DuPage County, IL. No legal wording required.
STEP 2
AI drafts your letter
Your answers are mapped to Illinois statutes such as 765 ILCS 710 (Security Deposit Return Act) and written in your own voice.
STEP 3
Download and send
Get your letter instantly, then send it certified mail. Most disputes settle before court.

Uses the Property Tax Appeal template — Your county over-assessed your home. Generate a data-backed appeal brief that could save you thousands.

What happened when other people sent theirs

“I'd written off my deposit completely. The letter cited the exact statute and the deadline they'd blown — I had a check nine days later.”
Marcus T. · Recovered $1,850 from a former landlord
“I had no idea how to word any of this. I answered a few questions and got something that actually sounded like it came from an attorney's office.”
Priya R. · Billing dispute resolved in two weeks
“Sent it certified mail like the timeline said. They called me the day it was delivered and reversed the charge.”
Danielle W. · Charge reversed after one letter

Submitted directly by AI Dispute Engine customers. Last names shortened for privacy. Outcomes vary — no result is guaranteed.

Property Tax Assessment Appeal FAQs — DuPage County, IL

How much can an appeal save?

Successful appeals commonly cut assessed value by 5-20%, compounding every year.

Will an appeal raise my taxes?

Boards review the record before them; a well-supported comparable-sales case rarely backfires.

Does this property tax assessment appeal letter work in DuPage County, IL?

Yes. Your letter is generated against Illinois law, including 765 ILCS 710 (Security Deposit Return Act), and formatted for delivery to a recipient in DuPage County.

What is the small claims limit near DuPage County?

Illinois caps small claims at $10,000, and the statutory response window is 45 days with damages up to 2x.

Other disputes in DuPage County

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