Cook County Value

14803 Madison Ave, Harvey, IL 60426

2 bed / 1 bath, 635 sqft, built 1925, in Thornton. Assessor market value for 2025: $59,010.

Cook County account 29084130020000

Assessor market value
$59,010
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
635 sqft
$93 per sqft
Year built
1925
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 60426 and Thornton assessment pages.

Appeal deadlines

Thornton 2026 appeal dates 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 stayed about the same, from $59,010 in 2024 to $59,010 in 2025.
  • Assessor market value per square footThe current public record shows about $93 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Thornton neighborhood and ZIP 60426.
  • Neighborhood value signalAmong 4,323 residential records in the same neighborhood, the average assessor market value is about $52 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values stayed about flat on average.

Comparable assessments

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

  • 129 W 150th St 1, Harvey, IL 60426
    640 sqft | $80/sqft | built 1923 | Similar size (640 vs 635 sqft); Similar age (1923 vs 1925); Similar lot size (3,500 vs 3,500 sqft)
    $51,010
  • 168 Sibley Blvd Harvey
    630 sqft | $76/sqft | built 1923 | Similar size (630 vs 635 sqft); Similar age (1923 vs 1925); Similar lot size (3,325 vs 3,500 sqft)
    $48,000
  • 271 E 148th St, Harvey, IL 60426
    640 sqft | $75/sqft | built 1926 | Similar size (640 vs 635 sqft); Similar age (1926 vs 1925); Lot 11% smaller (3,125 vs 3,500 sqft)
    $48,000
  • 14630 Lexington Ave, Harvey, IL 60426
    630 sqft | $90/sqft | built 1927 | Similar size (630 vs 635 sqft); Similar age (1927 vs 1925); Lot 11% smaller (3,125 vs 3,500 sqft)
    $57,000
  • 15330 Honore Ave, Harvey, IL 60426
    616 sqft | $89/sqft | built 1929 | Similar size (616 vs 635 sqft); Similar age (1929 vs 1925); Similar lot size (3,720 vs 3,500 sqft)
    $55,000

Recent comparable sales

No usable comparable sales are available in this data snapshot.

Public appraisal comparison for 2025. 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

No change in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$59,010$00.0%
2024$59,010$00.0%
2023$59,010+$18,690+46.4%
2022$40,320$00.0%
2021$40,320+$100.0%
2020$40,310——
5-year total+$18,700+46.4%