Cook County Value

16560 Wolcott Ave Markham, IL 60428

3 bed / 2 bath, 1,099 sqft, built 1964, in Thornton. Assessor market value for 2025: $115,390.

Cook County account 29194170730000

Assessor market value
$115,390
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,099 sqft
$105 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 $115,390 in 2024 to $115,390 in 2025.
  • Assessor market value per square footThe current public record shows about $105 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.

  • 16400 Ashland Ave Markham, IL 60428
    1,104 sqft | $65/sqft | built 1964 | Similar size (1,104 vs 1,099 sqft); Built same year (1964); Similar lot size (7,808 vs 7,806 sqft)
    $72,000
  • 16459 Honore Ave Markham, IL 60428
    1,100 sqft | $64/sqft | built 1963 | Similar size (1,100 vs 1,099 sqft); Similar age (1963 vs 1964); Similar lot size (7,854 vs 7,806 sqft)
    $70,000
  • 16160 Wolcott Ave Markham, IL 60428
    1,099 sqft | $60/sqft | built 1959 | Similar size (1,099 vs 1,099 sqft); Similar age (1959 vs 1964); Similar lot size (7,437 vs 7,806 sqft)
    $66,000
  • 16358 Justine St Markham, IL 60428
    1,092 sqft | $68/sqft | built 1964 | Similar size (1,092 vs 1,099 sqft); Built same year (1964); Lot 11% larger (8,701 vs 7,806 sqft)
    $74,000
  • 16115 Paulina Ave Markham, IL 60428
    1,096 sqft | $66/sqft | built 1965 | Similar size (1,096 vs 1,099 sqft); Similar age (1965 vs 1964); Similar lot size (7,440 vs 7,806 sqft)
    $72,000

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

Down 11.2% in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$115,390−$14,610−11.2%
2024$130,000$00.0%
2023$130,000+$68,970+113.0%
2022$61,030−$21,700−26.2%
2021$82,730+$200.0%
2020$82,710——
5-year total+$32,680+39.5%