Cook County Value

54 Longcove Dr Lemont, IL 60439

3 bed / 2 bath, 3,854 sqft, built 2001, in Lemont. Assessor market value for 2026: $960,000.

Cook County account 22341050060000

Assessor market value
$960,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,854 sqft
$249 per sqft
Year built
2001

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 39.2% from $689,710 in 2025 to $960,000 in 2026.
  • Assessor market value per square footThe current public record shows about $249 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 246 residential records in the same neighborhood, the average assessor market value is about $258 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +29.1% on average.

Comparable assessments

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

  • 65 Ruffled Feathers Dr Lemont, IL 60439
    4,020 sqft | $231/sqft | built 1999 | Similar size (4,020 vs 3,854 sqft); Similar age (1999 vs 2001); Similar lot size (16,500 vs 16,500 sqft)
    $930,000
  • 63 Ruffled Feathers Dr Lemont, IL 60439
    4,083 sqft | $242/sqft | built 2001 | 6% larger (4,083 vs 3,854 sqft); Built same year (2001); Similar lot size (16,500 vs 16,500 sqft)
    $990,000
  • 1 Loblolly Ct Lemont, IL 60439
    3,917 sqft | $272/sqft | built 1998 | Similar size (3,917 vs 3,854 sqft); Similar age (1998 vs 2001); Similar lot size (18,067 vs 16,500 sqft)
    $1,067,160
  • 19 Firethorn Ct Lemont, IL 60439
    3,727 sqft | $239/sqft | built 1998 | Similar size (3,727 vs 3,854 sqft); Similar age (1998 vs 2001); Similar lot size (16,620 vs 16,500 sqft)
    $890,000
  • 77 Ruffled Feathers Dr Lemont, IL 60439
    4,105 sqft | $229/sqft | built 1998 | 6% larger (4,105 vs 3,854 sqft); Similar age (1998 vs 2001); Similar lot size (16,500 vs 16,500 sqft)
    $940,000

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: . Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 39.2% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$960,000+$270,290+39.2%
2025$689,710$00.0%
2024$689,710−$40,300−5.5%
2023$730,010−$2,220−0.3%
2022$732,230$00.0%
2021$732,230+$100.0%
2020$732,220——
6-year total+$227,780+31.1%