Cook County Value

14301 131st St Lemont, IL 60439

3 bed / 2 bath, 3,155 sqft, built 2005, in Lemont. Assessor market value for 2026: $830,010.

Cook County account 22341120070000

Assessor market value
$830,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,155 sqft
$263 per sqft
Year built
2005
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 changed from $508,790 in 2025 to $830,010 in 2026. A change this large often reflects new construction, a reclassification or a record correction, so check it against the county record.
  • Assessor market value per square footThe current public record shows about $263 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.

  • 12984 Waterford Dr Lemont, IL 60439
    3,162 sqft | $262/sqft | built 2009 | Similar size (3,162 vs 3,155 sqft); Similar age (2009 vs 2005); Similar lot size (14,438 vs 15,660 sqft)
    $830,010
  • 13142 Ballycastle Ct Lemont, IL 60439
    3,144 sqft | $283/sqft | built 2013 | Similar size (3,144 vs 3,155 sqft); Similar lot size (16,308 vs 15,660 sqft); Same quality (Average)
    $890,000
  • 1196 Camelot Ln Lemont, IL 60439
    3,146 sqft | $226/sqft | built 1994 | Similar size (3,146 vs 3,155 sqft); Similar lot size (15,424 vs 15,660 sqft); Same quality (Average)
    $710,000
  • 142 Doolin St Lemont, IL 60439
    3,176 sqft | $260/sqft | built 1995 | Similar size (3,176 vs 3,155 sqft); Similar lot size (16,062 vs 15,660 sqft); Same quality (Average)
    $826,000
  • 3 Stirrup Ct Lemont, IL 60439
    3,149 sqft | $303/sqft | built 1996 | Similar size (3,149 vs 3,155 sqft); Similar lot size (16,398 vs 15,660 sqft); Same quality (Average)
    $953,760

Recent comparable sales

Sales selected by similarity to the subject property.

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 63.1% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$830,010+$321,220+63.1%
2025$508,790$00.0%
2024$508,790−$121,210−19.2%
2023$630,000+$212,140+50.8%
2022$417,860$00.0%
2021$417,860−$52,290−11.1%
2020$470,150——
6-year total+$359,860+76.5%