Cook County Value

8017 42nd Ct Lyons, IL 60534

3 bed / 1 bath, 1,189 sqft, built 1888, in Lyons. Assessor market value for 2026: $220,010.

Cook County account 18022130530000

Assessor market value
$220,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,189 sqft
$185 per sqft
Year built
1888
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 15.8% from $190,000 in 2025 to $220,010 in 2026.
  • Assessor market value per square footThe current public record shows about $185 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.

  • 4053 Center Ave Lyons, IL 60534
    1,178 sqft | $178/sqft | built 1888 | Similar size (1,178 vs 1,189 sqft); Built same year (1888); Similar lot size (5,355 vs 5,530 sqft)
    $210,000
  • 7934 Ogden Ave Lyons, IL 60534
    1,119 sqft | $188/sqft | built 1890 | 6% smaller (1,119 vs 1,189 sqft); Similar age (1890 vs 1888); Similar lot size (5,520 vs 5,530 sqft)
    $210,000
  • 4038 Gage Ave Lyons, IL 60534
    1,264 sqft | $174/sqft | built 1889 | 6% larger (1,264 vs 1,189 sqft); Similar age (1889 vs 1888); Similar lot size (5,176 vs 5,530 sqft)
    $220,000
  • 4043 Center Ave Lyons, IL 60534
    1,039 sqft | $250/sqft | built 1888 | 13% smaller (1,039 vs 1,189 sqft); Built same year (1888); Similar lot size (5,350 vs 5,530 sqft)
    $260,010
  • 8029 42nd St Lyons, IL 60534
    1,224 sqft | $188/sqft | built 1893 | Similar size (1,224 vs 1,189 sqft); Similar age (1893 vs 1888); Similar lot size (6,049 vs 5,530 sqft)
    $230,000

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 15.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$220,010+$30,010+15.8%
2025$190,000$00.0%
2024$190,000$00.0%
2023$190,000+$49,440+35.2%
2022$140,560$00.0%
2021$140,560+$100.0%
2020$140,550——
6-year total+$79,460+56.5%