Step 1
Find the property
Enter a DuPage County parcel number like 05-12-345-678 or a street address.
Step 2
Review the historical county record
Here is the current public DuPage County parcel and assessment record. We prefill a working house-value estimate from county fair-cash-value fields, and you can edit it if your notice shows a different value.
Step 3
See estimated annual savings
These ranges are based on nearby public sales and the property's recent effective tax rate.
Comparable sales selected for appeal
| Address | City | Sale price | Sale date | Living sq ft | Beds | Baths | $/living sq ft |
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Step 4
Download your copy
Enter your email to download a pdf copy of your results.
Next step
Now that you know whether it's worth appealing, get a flat-fee packet.
We can organize your county data, comparable evidence, forms, and filing instructions into a ready-to-file package. You stay in control of whether and how to submit.
A one-time flat fee of $100 keeps the preparation cost fixed.
No representation agreement is required, and the appeal-readiness summary stays free.