01
Is this for me?
For Illinois homeowners in supported counties who want to review official property information before deciding whether to prepare their own appeal.
For Illinois homeowners
See if your property assessment could be lower.
Your assessment is the value the county uses to calculate your property taxes. Enter your address to see what the county records show before you spend time or money on an appeal.
Free property check
Enter your address to check your assessment.
See an initial result before you create an account.
Private by design Your property information and downloads stay in your signed-in account.
Official sources, named You can see the source and date behind the result.
No pressure to buy If the information is weak or incomplete, you get a clear answer instead of a checkout screen.
A simple, honest path
You get an answer before you get an offer.
02
What you get
The free result distinguishes verified support, comparisons that do not support a reduction, and incomplete information. Incomplete or inconclusive comparisons are not evidence against an appeal. You can stop at the free result or choose Property Comparison Review — $5.
03
What happens next
Read the scope shown for your property before paying. The $50 appeal preparation packet is offered only when it supplies substantially all property-specific information needed to self-file, including verified evidence, comparison calculations, a proposed assessment and filing guidance. A review is not a completed complaint. You still review, sign and self-file using current official instructions. Paid downloads stay private in your signed-in account.
Four honest answers
Every result tells you what to do next.
These comparisons support asking for a lower assessment.
Why: Verified comparisons can support asking for a lower assessment. Assessment-only comparisons do not establish physical comparability or a reduction; read the evidence strength shown for your property.
Source date: AssessLess shows the source date and assessment period it used, not a guarantee of current filing eligibility.
What is still missing: Preparation content depends on the verified records. County forms are included only where verified and supported; a review is not a completed complaint.
Next step: Review the free result and its scope, then choose the $50 homeowner review and preparation packet only if you want it. You review, sign and self-file using current official instructions.
Need one more official document
Why: A property fact or official source is not complete enough to rely on yet.
Source date: The missing document must match the current assessment period.
What is still missing: One current official tax bill, assessment notice, or requested parcel document.
Next step: Sign in and upload the requested official document.
These comparisons do not support a lower assessment.
Why: The homes we compared do not support asking for a lower assessment.
Source date: The result names the source date used for that conclusion.
What is still missing: You do not need to add a document unless you find stronger evidence.
Next step: Keep the free result or choose the optional Property Comparison Review — $5.
We could not verify enough yet
Why: We do not have enough current official information for a result yet.
Source date: We have not confirmed a current official record yet.
What is still missing: An updated official document, or your confirmation that you have read the source notice.
Next step: Add the requested current official record before trying again.
Clear limits. Your decision.
AssessLess does not provide legal, tax, or appraisal advice; represent you; file or sign for you; or guarantee a reduction, tax savings, or authority acceptance. You review facts, sign, and submit using current official instructions.