Cook County Value

3639 Antholl St, Flossmoor, IL 60422

4 bed / 4 bath, 4,316 sqft, built 2001, in Rich. Assessor market value for 2025: $492,630.

Cook County account 31111100100000

Assessor market value
$492,630
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,316 sqft
$114 per sqft
Year built
2001
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 60422 and Rich assessment pages.

Appeal deadlines

Rich 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 $492,630 in 2024 to $492,630 in 2025.
  • Assessor market value per square footThe current public record shows about $114 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Rich neighborhood and ZIP 60422.
  • Neighborhood value signalAmong 99 residential records in the same neighborhood, the average assessor market value is about $124 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.

  • 3721 Ballantrae Way, Flossmoor, IL 60422
    4,277 sqft | $119/sqft | built 2001 | Similar size (4,277 vs 4,316 sqft); Built same year (2001); Similar lot size (15,519 vs 15,177 sqft)
    $510,010
  • 3725 Lismore St, Flossmoor, IL 60422
    4,359 sqft | $115/sqft | built 2001 | Similar size (4,359 vs 4,316 sqft); Built same year (2001); Similar lot size (15,288 vs 15,177 sqft)
    $500,000
  • 1510 Tearle Ct, Flossmoor, IL 60422
    4,370 sqft | $117/sqft | built 2004 | Similar size (4,370 vs 4,316 sqft); Similar age (2004 vs 2001); Similar lot size (15,080 vs 15,177 sqft)
    $510,000
  • 1430 Troon St, Flossmoor, IL 60422
    4,370 sqft | $119/sqft | built 2004 | Similar size (4,370 vs 4,316 sqft); Similar age (2004 vs 2001); Similar lot size (15,305 vs 15,177 sqft)
    $520,000
  • 1420 Selkirk St, Flossmoor, IL 60422
    4,088 sqft | $125/sqft | built 2001 | 5% smaller (4,088 vs 4,316 sqft); Built same year (2001); Similar lot size (15,071 vs 15,177 sqft)
    $510,000

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$492,630$00.0%
2024$492,630−$37,370−7.1%
2023$530,000+$145,990+38.0%
2022$384,010$00.0%
2021$384,010+$100.0%
2020$384,000——
5-year total+$108,630+28.3%