Cook County Value

15911 Lathrop Ave, Harvey, IL 60426

4 bed / 2 bath, 1,438 sqft, built 1954, in Thornton. Assessor market value for 2025: $74,000.

Cook County account 29202020110000

Assessor market value
$74,000
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,438 sqft
$51 per sqft
Year built
1954
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 $74,000 in 2024 to $74,000 in 2025.
  • Assessor market value per square footThe current public record shows about $51 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 2,010 residential records in the same neighborhood, the average assessor market value is about $62 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.

  • 16153 Wolcott Ave Markham, IL 60428
    1,404 sqft | $52/sqft | built 1954 | Similar size (1,404 vs 1,438 sqft); Built same year (1954); Similar lot size (5,580 vs 5,544 sqft)
    $73,010
  • 16131 Honore Ave Markham, IL 60428
    1,503 sqft | $49/sqft | built 1953 | Similar size (1,503 vs 1,438 sqft); Similar age (1953 vs 1954); Similar lot size (5,580 vs 5,544 sqft)
    $73,010
  • 16229 Marshfield Ave Markham, IL 60428
    1,453 sqft | $100/sqft | built 1962 | Similar size (1,453 vs 1,438 sqft); Similar lot size (5,580 vs 5,544 sqft); Same quality (Average)
    $145,010
  • 16145 Honore Ave Markham, IL 60428
    1,512 sqft | $48/sqft | built 1952 | 5% larger (1,512 vs 1,438 sqft); Similar age (1952 vs 1954); Similar lot size (5,580 vs 5,544 sqft)
    $73,010
  • 16641 Winchester Ave Markham, IL 60428
    1,433 sqft | $77/sqft | built 1959 | Similar size (1,433 vs 1,438 sqft); Similar age (1959 vs 1954); Similar lot size (5,790 vs 5,544 sqft)
    $110,000

Recent comparable sales

Sales selected by similarity to the subject property.

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$74,000$00.0%
2024$74,000$00.0%
2023$74,000+$20,330+37.9%
2022$53,670$00.0%
2021$53,670+$200.0%
2020$53,650——
5-year total+$20,350+37.9%