Cook County Value

1225 Janas Ln Lemont, IL 60439

3 bed / 2 bath, 1,914 sqft, built 1989, in Lemont. Assessor market value for 2026: $530,000.

Cook County account 22282080080000

Assessor market value
$530,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,914 sqft
$277 per sqft
Year built
1989
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 20.5% from $440,000 in 2025 to $530,000 in 2026.
  • Assessor market value per square footThe current public record shows about $277 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 279 residential records in the same neighborhood, the average assessor market value is about $262 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +30.6% on average.

Comparable assessments

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

  • 1232 Country Ln Lemont, IL 60439
    1,920 sqft | $276/sqft | built 1989 | Similar size (1,920 vs 1,914 sqft); Built same year (1989); Similar lot size (9,450 vs 10,125 sqft)
    $530,000
  • 1249 Janas Ln Lemont, IL 60439
    1,898 sqft | $269/sqft | built 1989 | Similar size (1,898 vs 1,914 sqft); Built same year (1989); Similar lot size (10,353 vs 10,125 sqft)
    $510,000
  • 1213 Janas Ln Lemont, IL 60439
    2,008 sqft | $259/sqft | built 1989 | Similar size (2,008 vs 1,914 sqft); Built same year (1989); Similar lot size (10,125 vs 10,125 sqft)
    $520,000
  • 1208 Country Ln Lemont, IL 60439
    1,931 sqft | $285/sqft | built 1996 | Similar size (1,931 vs 1,914 sqft); Similar lot size (10,010 vs 10,125 sqft); Same quality (Average)
    $550,000
  • 481 Wheeler Dr Lemont, IL 60439
    1,957 sqft | $266/sqft | built 1990 | Similar size (1,957 vs 1,914 sqft); Similar age (1990 vs 1989); Similar lot size (9,645 vs 10,125 sqft)
    $520,000

Recent comparable sales

No usable comparable sales are available in this data snapshot.

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 20.5% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$530,000+$90,000+20.5%
2025$440,000$00.0%
2024$440,000$00.0%
2023$440,000+$109,130+33.0%
2022$330,870$00.0%
2021$330,870+$200.0%
2020$330,850——
6-year total+$199,150+60.2%