Cook County Value

851 Kromray Rd Lemont, IL 60439

3 bed / 2 bath, 2,418 sqft, built 1989, in Lemont. Assessor market value for 2026: $550,000.

Cook County account 22282090090000

Assessor market value
$550,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,418 sqft
$227 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 25.0% from $440,000 in 2025 to $550,000 in 2026.
  • Assessor market value per square footThe current public record shows about $227 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

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

  • 911 Kromray Rd Lemont, IL 60439
    2,420 sqft | $236/sqft | built 1989 | Similar size (2,420 vs 2,418 sqft); Built same year (1989); Similar lot size (9,240 vs 9,240 sqft)
    $570,000
  • 901 Kromray Rd Lemont, IL 60439
    2,378 sqft | $227/sqft | built 1989 | Similar size (2,378 vs 2,418 sqft); Built same year (1989); Similar lot size (9,240 vs 9,240 sqft)
    $540,000
  • 1284 Janas Ln Lemont, IL 60439
    2,393 sqft | $242/sqft | built 1990 | Similar size (2,393 vs 2,418 sqft); Similar age (1990 vs 1989); Similar lot size (9,240 vs 9,240 sqft)
    $580,000
  • 810 Kromray Rd Lemont, IL 60439
    2,458 sqft | $236/sqft | built 1989 | Similar size (2,458 vs 2,418 sqft); Built same year (1989); Similar lot size (9,240 vs 9,240 sqft)
    $580,000
  • 1240 Country Ln Lemont, IL 60439
    2,380 sqft | $240/sqft | built 1992 | Similar size (2,380 vs 2,418 sqft); Similar age (1992 vs 1989); Similar lot size (9,450 vs 9,240 sqft)
    $570,000

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 25.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$550,000+$110,000+25.0%
2025$440,000$00.0%
2024$440,000$00.0%
2023$440,000+$143,510+48.4%
2022$296,490$00.0%
2021$296,490$00.0%
2020$296,490——
6-year total+$253,510+85.5%