Cook County Value

4242 Elm Ave Lyons, IL 60534

3 bed / 1 bath, 1,034 sqft, built 1929, in Lyons. Assessor market value for 2026: $210,000.

Cook County account 18011230150000

Assessor market value
$210,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,034 sqft
$203 per sqft
Year built
1929
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 25.0% from $168,040 in 2025 to $210,000 in 2026.
  • Assessor market value per square footThe current public record shows about $203 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.

  • 4210 Prescott Ave Lyons, IL 60534
    1,075 sqft | $214/sqft | built 1926 | Similar size (1,075 vs 1,034 sqft); Similar age (1926 vs 1929); Similar lot size (5,212 vs 5,200 sqft)
    $230,000
  • 8601 W 44th Pl Lyons, IL 60534
    980 sqft | $224/sqft | built 1925 | 5% smaller (980 vs 1,034 sqft); Similar age (1925 vs 1929); Similar lot size (5,100 vs 5,200 sqft)
    $220,000
  • 8622 44th Pl Lyons, IL 60534
    1,096 sqft | $192/sqft | built 1926 | 6% larger (1,096 vs 1,034 sqft); Similar age (1926 vs 1929); Similar lot size (5,100 vs 5,200 sqft)
    $210,000
  • 4240 Amelia Ave Lyons, IL 60534
    1,102 sqft | $227/sqft | built 1926 | 7% larger (1,102 vs 1,034 sqft); Similar age (1926 vs 1929); Similar lot size (5,347 vs 5,200 sqft)
    $250,000
  • 4219 Rose Ave Lyons, IL 60534
    1,012 sqft | $247/sqft | built 1930 | Similar size (1,012 vs 1,034 sqft); Similar age (1930 vs 1929); Similar lot size (4,690 vs 5,200 sqft)
    $250,010

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 25.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$210,000+$41,960+25.0%
2025$168,040$00.0%
2024$168,040−$14,580−8.0%
2023$182,620+$58,710+47.4%
2022$123,910$00.0%
2021$123,910$00.0%
2020$123,910——
6-year total+$86,090+69.5%