Cook County Value

1224 133rd Ct Lemont, IL 60439

4 bed / 2 bath, 3,034 sqft, built 1993, in Lemont. Assessor market value for 2026: $730,000.

Cook County account 22314060020000

Assessor market value
$730,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,034 sqft
$241 per sqft
Year built
1993
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 60439 and Lemont assessment pages.

Local guide: Lemont Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For Lemont, appeals to the Assessor closed . Board of Review dates for Lemont 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 increased 25.9% from $580,000 in 2025 to $730,000 in 2026.
  • Assessor market value per square footThe current public record shows about $241 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Lemont neighborhood and ZIP 60439.
  • Neighborhood value signalAmong 2,806 residential records in the same neighborhood, the average assessor market value is about $255 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +30.4% on average.

Comparable assessments

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

  • 13180 Raphael Cir Lemont, IL 60439
    2,991 sqft | $271/sqft | built 1994 | Similar size (2,991 vs 3,034 sqft); Similar age (1994 vs 1993); Similar lot size (40,031 vs 40,075 sqft)
    $810,000
  • 1205 Emerald Dr Lemont, IL 60439
    3,051 sqft | $249/sqft | built 1986 | Similar size (3,051 vs 3,034 sqft); Similar lot size (40,075 vs 40,075 sqft); Same quality (Average)
    $760,000
  • 13402 Baltic Cir Lemont, IL 60439
    3,073 sqft | $247/sqft | built 1992 | Similar size (3,073 vs 3,034 sqft); Similar age (1992 vs 1993); Similar lot size (39,204 vs 40,075 sqft)
    $760,000
  • 1233 Leinster Dr Lemont, IL 60439
    3,059 sqft | $245/sqft | built 1989 | Similar size (3,059 vs 3,034 sqft); Similar age (1989 vs 1993); Similar lot size (38,406 vs 40,075 sqft)
    $750,000
  • 13107 Red Dr Lemont, IL 60439
    3,061 sqft | $252/sqft | built 1988 | Similar size (3,061 vs 3,034 sqft); Similar age (1988 vs 1993); Similar lot size (42,135 vs 40,075 sqft)
    $770,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 1238 Acorn St Lemont, IL 60439
    2,802 sqft | $223/sqft | built 1990 | 8% size difference (2,802 sqft); Similar age (1990); Within 1 bedroom (3 vs 4)
    $625,000
  • 11 Cedar Ct Lemont, IL 60439
    2,722 sqft | $253/sqft | built 1990 | 10% size difference (2,722 sqft); Similar age (1990); Same beds (4)
    $690,000

Public appraisal comparison for 2026. 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

Up 25.9% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$730,000+$150,000+25.9%
2025$580,000$00.0%
2024$580,000$00.0%
2023$580,000+$149,100+34.6%
2022$430,900$00.0%
2021$430,900−$19,010−4.2%
2020$449,910——
6-year total+$280,090+62.3%