Cook County Value

8021 42nd Ct Lyons, IL 60534

3 bed / 1 bath, 920 sqft, built 1949, in Lyons. Assessor market value for 2026: $210,010.

Cook County account 18022130520000

Assessor market value
$210,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
920 sqft
$228 per sqft
Year built
1949
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 16.7% from $180,000 in 2025 to $210,010 in 2026.
  • Assessor market value per square footThe current public record shows about $228 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

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

  • 8228 44th Pl Lyons, IL 60534
    913 sqft | $208/sqft | built 1952 | Similar size (913 vs 920 sqft); Similar age (1952 vs 1949); Similar lot size (5,760 vs 5,530 sqft)
    $190,000
  • 8020 Salisbury Ave Lyons, IL 60534
    917 sqft | $240/sqft | built 1952 | Similar size (917 vs 920 sqft); Similar age (1952 vs 1949); Similar lot size (5,400 vs 5,530 sqft)
    $220,000
  • 8346 45th Pl Lyons, IL 60534
    912 sqft | $241/sqft | built 1957 | Similar size (912 vs 920 sqft); Similar lot size (5,363 vs 5,530 sqft); Same quality (Average)
    $220,000
  • 4429 Center Ave Lyons, IL 60534
    917 sqft | $218/sqft | built 1950 | Similar size (917 vs 920 sqft); Similar age (1950 vs 1949); Lot 13% larger (6,248 vs 5,530 sqft)
    $200,000
  • 4434 Gage Ave Lyons, IL 60534
    922 sqft | $206/sqft | built 1951 | Similar size (922 vs 920 sqft); Similar age (1951 vs 1949); Lot 13% larger (6,248 vs 5,530 sqft)
    $190,000

Recent comparable sales

Sales selected by similarity to the subject property.

Public appraisal comparison for 2026. Prepared . Appraisal source: Cook County Assessor's Office. Sales data checked in this snapshot: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 16.7% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$210,010+$30,010+16.7%
2025$180,000$00.0%
2024$180,000$00.0%
2023$180,000+$26,770+17.5%
2022$153,230$00.0%
2021$153,230+$100.0%
2020$153,220——
6-year total+$56,790+37.1%