Cook County Value

4240 Gage Ave Lyons, IL 60534

3 bed / 2 bath, 1,678 sqft, built 1997, in Lyons. Assessor market value for 2026: $380,010.

Cook County account 18011220270000

Assessor market value
$380,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,678 sqft
$226 per sqft
Year built
1997
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 60534 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 increased 18.8% from $320,000 in 2025 to $380,010 in 2026.
  • Assessor market value per square footThe current public record shows about $226 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 60534.
  • Neighborhood value signalAmong 2,705 residential records in the same neighborhood, the average assessor market value is about $194 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +17.4% on average.

Comparable assessments

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

  • 4143 Elm Ave Lyons, IL 60534
    1,664 sqft | $228/sqft | built 1996 | Similar size (1,664 vs 1,678 sqft); Similar age (1996 vs 1997); Similar lot size (5,200 vs 5,650 sqft)
    $380,000
  • 4048 Anna Ave Lyons, IL 60534
    1,575 sqft | $229/sqft | built 1994 | 6% smaller (1,575 vs 1,678 sqft); Similar age (1994 vs 1997); Similar lot size (5,740 vs 5,650 sqft)
    $360,000
  • 8621 44th Pl Lyons, IL 60534
    1,604 sqft | $231/sqft | built 1998 | Similar size (1,604 vs 1,678 sqft); Similar age (1998 vs 1997); Similar lot size (5,100 vs 5,650 sqft)
    $370,000
  • 8712 44th Pl Lyons, IL 60534
    1,726 sqft | $226/sqft | built 2001 | Similar size (1,726 vs 1,678 sqft); Similar age (2001 vs 1997); Similar lot size (5,100 vs 5,650 sqft)
    $390,000
  • 4222 Fishermans Ter Lyons, IL 60534
    1,600 sqft | $244/sqft | built 2004 | Similar size (1,600 vs 1,678 sqft); Similar lot size (5,163 vs 5,650 sqft); Same quality (Average)
    $390,000

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 18.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$380,010+$60,010+18.8%
2025$320,000$00.0%
2024$320,000$00.0%
2023$320,000+$79,930+33.3%
2022$240,070$00.0%
2021$240,070$00.0%
2020$240,070——
6-year total+$139,940+58.3%