Cook County Value

16401 Winchester Ave Markham, IL 60428

3 bed / 2 bath, 1,053 sqft, built 1964, in Thornton. Assessor market value for 2025: $94,370.

Cook County account 29194010610000

Assessor market value
$94,370
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,053 sqft
$90 per sqft
Year built
1964
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 60428 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 $94,370 in 2024 to $94,370 in 2025.
  • Assessor market value per square footThe current public record shows about $90 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 60428.
  • 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

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

  • 16436 Hermitage Ave Markham, IL 60428
    1,053 sqft | $71/sqft | built 1964 | Similar size (1,053 vs 1,053 sqft); Built same year (1964); Similar lot size (7,095 vs 7,260 sqft)
    $75,000
  • 16217 Paulina Ave Markham, IL 60428
    1,053 sqft | $64/sqft | built 1964 | Similar size (1,053 vs 1,053 sqft); Built same year (1964); Similar lot size (7,440 vs 7,260 sqft)
    $67,000
  • 1637 W 165th St Markham, IL 60428
    1,053 sqft | $66/sqft | built 1964 | Similar size (1,053 vs 1,053 sqft); Built same year (1964); Similar lot size (7,260 vs 7,260 sqft)
    $69,010
  • 16235 Marshfield Ave Markham, IL 60428
    1,053 sqft | $63/sqft | built 1962 | Similar size (1,053 vs 1,053 sqft); Similar age (1962 vs 1964); Similar lot size (7,440 vs 7,260 sqft)
    $66,000
  • 16121 Paulina Ave Markham, IL 60428
    1,053 sqft | $71/sqft | built 1962 | Similar size (1,053 vs 1,053 sqft); Similar age (1962 vs 1964); Similar lot size (7,440 vs 7,260 sqft)
    $75,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 1637 W 165th St Markham, IL 60428
    1,053 sqft | $88/sqft | built 1964 | Similar size (1,053 sqft); Similar age (1964); Within 1 bedroom (2 vs 3)
    $93,000
  • 3141 Sherwood Ave Markham, IL 60428
    1,048 sqft | $144/sqft | built 1957 | Similar size (1,048 sqft); Moderate age difference (7 years older); Same beds (3)
    $151,000
  • 16330 Homan Ave Markham, IL 60428
    1,060 sqft | $126/sqft | built 1955 | Similar size (1,060 sqft); Moderate age difference (9 years older); Same beds (3)
    $134,000
  • 16545 Oxford Dr Markham, IL 60428
    1,051 sqft | $116/sqft | built 1958 | Similar size (1,051 sqft); Moderate age difference (6 years older); Same beds (3)
    $122,000
  • 1860 W 167th St Markham, IL 60428
    936 sqft | $146/sqft | built 1961 | 11% size difference (936 sqft); Similar age (1961); Same beds (3)
    $137,000

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

Down 21.4% in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$94,370−$25,640−21.4%
2024$120,010$00.0%
2023$120,010+$39,030+48.2%
2022$80,980$00.0%
2021$80,980+$200.0%
2020$80,960——
5-year total+$13,410+16.6%