2026 COOK COUNTY PROPERTY TAX APPEAL — COMPARABLE UNIFORMITY & VALUATION EVIDENCE PACKET
5107 W ADAMS ST, CHICAGO, IL 60644
Subject PIN: 16-16-206-009-0000 ·
West Chicago Township ·
Assessor Neighborhood Code: 77080 ·
Class 2-03 (One-Story Residence, 1,000–1,800 Sq Ft)
Section 1 — Executive Assessment & Tax Reduction Summary
Current Total Assessed Value $19,700 Bldg: $11,135 | Land: $8,565
Subject Building AV / Sq Ft $9.20 / sq ft 1,210 sq ft living area
Comparable Median Bldg AV / Sq Ft $7.58 / sq ft Based on 5 same-neighborhood Class 2-03 comps
Requested Uniform Total AV $17,737 Reduction of -$1,963 AV (-9.96%)
Estimated Annual Tax Savings $399 / yr At Eq. Factor 3.0355 & 6.69% local tax rate
Section 2 — Lack of Uniformity Comparable Property Grid (Assessor Nbhd 77080)
Under Article IX, Section 4 of the Illinois Constitution, real estate assessments must be
uniform within the same class and taxing jurisdiction. Below are 5 comparable
Class 2-03 properties in Assessor Neighborhood 77080 assessed at a lower Building Assessed Value per square foot than the Subject Property:
| Parcel Role | 14-Digit PIN | Address | Class | Yr Built | Bldg Sq Ft | Lot Sq Ft | Beds / Baths | Ext / Bsmt / Gar | Land AV | Bldg AV | Total AV | Bldg $/Sq Ft |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SUBJECT | 16-16-206-009-0000 | 5107 W ADAMS ST | 2-03 | 1953 | 1,210 | 5,353 | 3 / 2.0 | Masonry / Full / 2.5-Car | $8,565 | $11,135 | $19,700 | $9.20 |
| Comp #1 (Immediately Next Door) | 16-16-206-010-0000 | 5101 W ADAMS ST | 2-03 | 1953 | 1,484 | 4,960 | 3 / 1.0 | Frame / Slab / 1-Car | $7,936 | $10,564 | $18,500 | $7.12 |
| Comp #2 (Same Block (Block 206)) | 16-16-206-014-0000 | 5118 W QUINCY ST | 2-03 | 1952 | 1,065 | 5,351 | 2 / 1.0 | Frame / Slab / 1-Car | $8,497 | $7,803 | $16,300 | $7.33 |
| Comp #3 (Same Block (Block 206)) | 16-16-206-013-0000 | 5122 W QUINCY ST | 2-03 | 1952 | 1,029 | 5,351 | 2 / 1.0 | Frame / Slab / None | $8,497 | $7,803 | $16,300 | $7.58 |
| Comp #4 (Same Block (Masonry + Full Bsmt)) | 16-16-206-011-0000 | 5130 W QUINCY ST | 2-03 | 1924 | 1,292 | 4,960 | 3 / 1.0 | Masonry / Full / None | $7,936 | $10,064 | $18,000 | $7.79 |
| Comp #5 (Same Block (Block 206)) | 16-16-206-015-0000 | 5114 W QUINCY ST | 2-03 | 1952 | 1,260 | 5,351 | 3 / 1.0 | Frame / Slab / None | $8,562 | $9,938 | $18,500 | $7.89 |
Copy-and-Paste Comparable PINs for Online Portal Entry:
16162060100000, 16162060140000, 16162060130000, 16162060110000, 16162060150000
Formatted with dashes: 16-16-206-010-0000 | 16-16-206-014-0000 | 16-16-206-013-0000 | 16-16-206-011-0000 | 16-16-206-015-0000
Section 3 — Written Appeal Brief (Ready to Paste or Attach as PDF)
TO THE COOK COUNTY BOARD OF REVIEW — 2026 RESIDENTIAL UNIFORMITY APPEAL BRIEF Subject Property: 5107 W ADAMS ST, CHICAGO, IL 60644 Permanent Index Number (PIN): 16-16-206-009-0000 Township: West Chicago (Code 77) | Assessor Neighborhood Code: 77080 | Property Class: 2-03 1. BASIS OF APPEAL: LACK OF UNIFORMITY The Subject Property is a Class 2-03 one-story single-family residence containing 1,210 square feet of building area on Block 206 of Section 16 in West Chicago Township (Neighborhood 77080). Its improvement is currently assessed at $11,135, or $9.20 per square foot ($19,700 Total Assessed Value). 2. SAME-BLOCK COMPARABLE EVIDENCE Five Class 2-03 single-family residences on the exact same block (PIN prefix 16-16-206, Neighborhood 77080) carry building assessments between $7.12/sq ft and $7.89/sq ft, with a median of $7.58/sq ft — including Masonry full-basement comparable PIN 16-16-206-011-0000 (5130 W Quincy St, 1,292 sq ft) assessed at $7.79/sq ft. 3. REQUESTED RELIEF Applying the block median building assessment of $7.58/sq ft to the Subject Property's 1,210 sq ft yields a fair Building Assessed Value of $9,172 and a Total Assessed Value of $17,737 (a reduction of $1,963).
Section 4 — 10-Minute Step-by-Step Self-Guided (Pro Se) Filing Instructions
- Open the Official County Portal: For Assessor filings, visit
cookcountyassessoril.gov/online-appeals. For Board of Review filings, visitappeals.cookcountyboardofreview.com. Filing is 100% free. - Select "Homeowner / Pro Se" & Enter Subject PIN: Enter your 14-digit PIN (
16-16-206-009-0000) and select Lack of Uniformity (and Overvaluation if applicable) as the reason for appeal. - Enter the 5 Comparable PINs from Section 2: Paste the comparable 14-digit PINs listed in Section 2 into the Comparable Properties step.
- Upload This PDF Evidence Packet & Paste Narrative Brief: Click "Print / Save as PDF" at the top of this page to save this packet as a PDF, attach it under Supporting Documentation, and paste the Section 3 Written Appeal Brief into the comments/notes box.
Order Verified PDF Appeal Evidence Packet for 5107 W ADAMS ST
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