Cook County Value

4825 Johnson Ave, Western Springs, IL 60558

6 bed / 4 bath, 5,134 sqft, built 1974, in Lyons. Assessor market value for 2026: $1,630,000.

Cook County account 18081030280000

Assessor market value
$1,630,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
5,134 sqft
$317 per sqft
Year built
1974
Average quality

Compare this assessment

Start with the county value and property facts, then review appraisal comps, recent sales, and prior-year changes to decide whether the assessment is worth challenging. The comps on this page are free to review; email sign-in is only used to save a printable report.

For nearby context, browse ZIP 60558 and Lyons assessment pages.

Local guide: Lyons Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For Lyons, appeals to the Assessor closed . Board of Review dates for Lyons have not been published yet.

Deadline rule: Set by township: file with the Assessor by your township's last file date, and with the Board of Review while your township is open there. Evidence is reviewed by the Cook County Assessor's Office or, in a separate appeal, by the Cook County Board of Review. Dates checked against the official source.

Assessment snapshot

These public CCAO records highlight what may be worth checking before you file.

  • Assessment changeThe assessor market value changed from $1,009,140 in 2025 to $1,630,000 in 2026. A change this large often reflects new construction, a reclassification or a record correction, so check it against the county record.
  • Assessor market value per square footThe current public record shows about $317 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Lyons neighborhood and ZIP 60558.
  • Neighborhood value signalAmong 2,004 residential records in the same neighborhood, the average assessor market value is about $373 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +33.3% on average.

Comparable assessments

Similar public appraisal records selected for this property's equity comparison.

  • 1201 Carriage Ln Hse, La Grange, IL 60525
    4,585 sqft | $147/sqft | built 1967 | 11% smaller (4,585 vs 5,134 sqft); Similar lot size (11,837 vs 11,900 sqft); Same quality (Average)
    $674,720
  • 1201 Carriage Ln Hse, La Grange, IL 60525
    4,585 sqft | $146/sqft | built 1967 | 11% smaller (4,585 vs 5,134 sqft); Similar lot size (11,305 vs 11,900 sqft); Same quality (Average)
    $667,270
  • 637 Courtland Cir, Western Springs, IL 60558
    5,299 sqft | $264/sqft | built 1966 | Similar size (5,299 vs 5,134 sqft); Lot 13% smaller (10,400 vs 11,900 sqft); Same quality (Average)
    $1,400,000
  • 1030 Linden Ave, Western Springs, IL 60558
    4,362 sqft | $326/sqft | built 1969 | Similar age (1969 vs 1974); Similar lot size (12,699 vs 11,900 sqft); Same quality (Average)
    $1,420,000
  • 5139 Howard Ave, Western Springs, IL 60558
    4,760 sqft | $282/sqft | built 1962 | 7% smaller (4,760 vs 5,134 sqft); Lot 16% smaller (10,016 vs 11,900 sqft); Same quality (Average)
    $1,340,000

Recent comparable sales

No usable comparable sales are available in this data snapshot.

Public appraisal comparison for 2026. Prepared . Appraisal source: Cook County Assessor's Office. Sales data checked in this snapshot: . Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 61.5% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,630,000+$620,860+61.5%
2025$1,009,140$00.0%
2024$1,009,140−$160,860−13.7%
2023$1,170,000+$428,260+57.7%
2022$741,740$00.0%
2021$741,740+$100.0%
2020$741,730——
6-year total+$888,270+119.8%