Cook County Value

1144 Douglas Ave, Flossmoor, IL 60422

3 bed / 1 bath, 1,641 sqft, built 1913, in Rich. Assessor market value for 2025: $220,000.

Cook County account 31122000040000

Assessor market value
$220,000
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,641 sqft
$134 per sqft
Year built
1913
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 $220,000 in 2024 to $220,000 in 2025.
  • Assessor market value per square footThe current public record shows about $134 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 82 residential records in the same neighborhood, the average assessor market value is about $135 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.

  • 21118 Oak St, Matteson, IL 60443
    1,665 sqft | $96/sqft | built 1926 | Similar size (1,665 vs 1,641 sqft); Similar lot size (11,250 vs 11,400 sqft); Same quality (Average)
    $160,000
  • 21242 Main St, Matteson, IL 60443
    1,798 sqft | $83/sqft | built 1915 | 10% larger (1,798 vs 1,641 sqft); Similar age (1915 vs 1913); Similar lot size (11,925 vs 11,400 sqft)
    $150,000
  • 2621 Park Dr, Flossmoor, IL 60422
    1,680 sqft | $161/sqft | built 1922 | Similar size (1,680 vs 1,641 sqft); Similar lot size (12,500 vs 11,400 sqft); Same quality (Average)
    $270,000
  • 21852 Main St, Matteson, IL 60443
    1,554 sqft | $77/sqft | built 1913 | 5% smaller (1,554 vs 1,641 sqft); Built same year (1913); Same quality (Average)
    $120,000
  • 1023 Douglas Ave, Flossmoor, IL 60422
    1,505 sqft | $186/sqft | built 1920 | 8% smaller (1,505 vs 1,641 sqft); Lot 11% smaller (10,150 vs 11,400 sqft); Same quality (Average)
    $280,010

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$220,000$00.0%
2024$220,000$00.0%
2023$220,000+$71,080+47.7%
2022$148,920$00.0%
2021$148,920+$100.0%
2020$148,910——
5-year total+$71,090+47.7%