Cook County Value

1037 Tadeusz Way Lemont, IL 60439

4 bed / 3 bath, 4,067 sqft, built 2014, in Lemont. Assessor market value for 2026: $1,040,000.

Cook County account 22274090080000

Assessor market value
$1,040,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,067 sqft
$256 per sqft
Year built
2014
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 47.4% from $705,350 in 2025 to $1,040,000 in 2026.
  • Assessor market value per square footThe current public record shows about $256 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 380 residential records in the same neighborhood, the average assessor market value is about $246 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +25.8% on average.

Comparable assessments

Similar public appraisal records selected for this property's equity comparison.

  • 12425 Thornberry Dr Lemont, IL 60439
    4,094 sqft | $242/sqft | built 2008 | Similar size (4,094 vs 4,067 sqft); Similar lot size (12,240 vs 12,878 sqft); Same quality (Average)
    $990,000
  • 12614 Thornberry Dr Lemont, IL 60439
    3,731 sqft | $260/sqft | built 2013 | 8% smaller (3,731 vs 4,067 sqft); Similar age (2013 vs 2014); Similar lot size (12,904 vs 12,878 sqft)
    $970,000
  • 12428 Province Dr Lemont, IL 60439
    4,253 sqft | $252/sqft | built 2018 | Similar size (4,253 vs 4,067 sqft); Similar age (2018 vs 2014); Similar lot size (12,807 vs 12,878 sqft)
    $1,070,000
  • 12624 Thornberry Dr Lemont, IL 60439
    4,017 sqft | $241/sqft | built 2007 | Similar size (4,017 vs 4,067 sqft); Similar lot size (13,002 vs 12,878 sqft); Same quality (Average)
    $970,000
  • 16652 Windsor Ct Lemont, IL 60439
    4,021 sqft | $239/sqft | built 2006 | Similar size (4,021 vs 4,067 sqft); Similar lot size (13,789 vs 12,878 sqft); Same quality (Average)
    $960,000

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: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 47.4% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,040,000+$334,650+47.4%
2025$705,350$00.0%
2024$705,350−$154,650−18.0%
2023$860,000+$248,800+40.7%
2022$611,200$00.0%
2021$611,200−$63,270−9.4%
2020$674,470——
6-year total+$365,530+54.2%