Cook County Value

13425 Adeline Ct Lemont, IL 60439

4 bed / 2 bath, 2,501 sqft, built 2016, in Lemont. Assessor market value for 2026: $800,000.

Cook County account 22343020190000

In line with similar homes

8 similar homes nearby support a value at or above your county value.

Assessor market value$800,000
Similar homes$808,248
No gap: similar homes are at or above the county value · bars start at $0

How sure: High · 8 similar homes (5 shown below) · public records only

Assessor market value
$800,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,501 sqft
$320 per sqft
Year built
2016
Average quality

What we found

Similar homes' assessments

Weak

4 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $323.10/sqft, but land is valued apart from the home, and some of them have less land value per square foot of home than yours, which counts as $97,860. Counting your land in place of theirs where theirs is less, they support a value of $808,248.

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 30.3% from $613,790 in 2025 to $800,000 in 2026.
  • Assessor market value per square footThe current public record shows about $320 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.

  • 16480 Christopher Dr Lemont, IL 60439
    2,507 sqft | $323/sqft | built 2015 | Similar size (2,507 vs 2,501 sqft); Similar age (2015 vs 2016); Similar lot size (12,633 vs 12,627 sqft)
    $810,000
  • 13444 Adeline Ct Lemont, IL 60439
    2,501 sqft | $360/sqft | built 2016 | Similar size (2,501 vs 2,501 sqft); Built same year (2016); Similar lot size (13,427 vs 12,627 sqft)
    $899,300
  • 13437 Adeline Ct Lemont, IL 60439
    2,501 sqft | $324/sqft | built 2017 | Similar size (2,501 vs 2,501 sqft); Similar age (2017 vs 2016); Lot 12% larger (14,132 vs 12,627 sqft)
    $810,000
  • 1315 S Krystyna Crossing Lemont, IL 60439
    2,450 sqft | $318/sqft | built 2010 | Similar size (2,450 vs 2,501 sqft); Similar lot size (12,003 vs 12,627 sqft); Same quality (Average)
    $780,000
  • 13443 Adeline Ct Lemont, IL 60439
    2,554 sqft | $345/sqft | built 2018 | Similar size (2,554 vs 2,501 sqft); Similar age (2018 vs 2016); Similar lot size (13,800 vs 12,627 sqft)
    $880,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 1217 Woburn Dr Lemont, IL 60439
    2,576 sqft | $318/sqft | built 2016 | Similar size (2,576 sqft); Similar age (2016); Same beds (4)
    $819,000
  • 12655 Derry Dr Lemont, IL 60439
    June-29-2026 | 2,672 sqft | $266/sqft | built 2025 | 7% size difference (2,672 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $710,150
  • 997 Florence St Lemont, IL 60439
    2,556 sqft | $319/sqft | built 2017 | Similar size (2,556 sqft); Similar age (2017); Same beds (4)
    $815,000

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 30.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$800,000+$186,210+30.3%
2025$613,790$00.0%
2024$613,790−$26,210−4.1%
2023$640,000+$306,090+91.7%
2022$333,910$00.0%
2021$333,910+$100.0%
2020$333,900——
6-year total+$466,100+139.6%