A real analysis, run just now
Every figure below was produced moments ago by the same engine that answers your own address. Nothing here is transcribed from an older run, which is the point: a worked example copied into a page goes stale the moment the roll is reassessed, and it cannot be wrong in a way a test would notice.
This parcel was chosen because it has a strong case. That is what an example is for — a walkthrough that concludes "nothing here" teaches you nothing about the analysis. It is not typical: this product tells roughly two thirds of the parcels it screens not to file, and says so on every tool page. The street number is withheld; every figure is real.
Assessed at 67.68 per sq ft against a neighbourhood median of 45.15 — 49.9% above.
Equal treatment is a ground in its own right and needs no sale. At the median your assessment would be $166,604.
N ORCHARD ST · North Chicago Township · class 278 · built 1999 · 3,690 sq ft
The arithmetic
Building assessment against building area, which is how Cook's Board of Review runs the comparison. Land is excluded from both sides.
| Total assessed value | $300,000 |
|---|---|
| — of which land | $50,251 |
| — of which building | $249,749 |
| Building area | 3,690 sq ft |
| Building assessed per sq ft | $67.68 |
| Neighbourhood median for this class | $45.15 across 319 parcels |
| Above the median by | 50% |
| Building assessment the comparison supports | $166,604 |
| Total assessment supported | $216,855 the parcel's own land, untouched, plus the supported building |
| Reduction supported | $83,145 |
The comparable parcels
Selected from the county's own published roll, scored on size, location, class, age and recorded features. The score is what could be checked; completeness is how much of it the roll actually carried.
| Street | Class | Sq ft | Built | Building assessed | Per sq ft | Evidence |
|---|---|---|---|---|---|---|
| N SOUTHPORT AVE HSE | 278 | 3,667 | 2000 | $155,872 | $42.51 | 99 100% complete |
| N DAYTON ST | 278 | 3,744 | 1999 | $182,857 | $48.84 | 99 100% complete |
| N MAGNOLIA AVE | 278 | 3,751 | 1999 | $163,769 | $43.66 | 99 100% complete |
| N BURLING ST | 278 | 3,642 | 2000 | $182,780 | $50.19 | 99 100% complete |
| N DAYTON ST | 278 | 3,774 | 1998 | $161,563 | $42.81 | 98 100% complete |
| N WAYNE AVE 1 | 278 | 3,572 | 1999 | $152,872 | $42.80 | 98 100% complete |
The verdict
There are real signals here. Worth building a proper case.
Run this on your own address →
Data & sources
| Official record |
Assessed value, land and building split, class, area, year built
Cook County Assessor, published assessment roll
|
| Calculated |
Building assessed per square foot, neighbourhood median, supported assessment
improvement assessment over improvement area, the comparison Cook's Board of Review runs
|
| Calculated |
Comparable evidence scores and completeness
evidence-quality 1.0.0
|
Generated 2026-11-08 09:21 UTC. ParcelProof is not a law firm, does not file on your behalf, and guarantees no outcome.