Cook County Value

431 Glenys Dr Lemont, IL 60439

3 bed / 2 bath, 1,418 sqft, built 1986, in Lemont. Assessor market value for 2026: $440,010.

Cook County account 22294160510000

Assessor market value
$440,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,418 sqft
$310 per sqft
Year built
1986
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 22.2% from $360,000 in 2025 to $440,010 in 2026.
  • Assessor market value per square footThe current public record shows about $310 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 858 residential records in the same neighborhood, the average assessor market value is about $264 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +21.4% on average.

Comparable assessments

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

  • 429 Glenys Dr Lemont, IL 60439
    1,421 sqft | $317/sqft | built 1985 | Similar size (1,421 vs 1,418 sqft); Similar age (1985 vs 1986); Similar lot size (8,540 vs 8,540 sqft)
    $450,010
  • 1140 Glenys Dr Lemont, IL 60439
    1,392 sqft | $323/sqft | built 1986 | Similar size (1,392 vs 1,418 sqft); Built same year (1986); Similar lot size (8,750 vs 8,540 sqft)
    $450,000
  • 411 Una Ave Lemont, IL 60439
    1,408 sqft | $291/sqft | built 1986 | Similar size (1,408 vs 1,418 sqft); Built same year (1986); Similar lot size (8,787 vs 8,540 sqft)
    $410,000
  • 1127 Alpine Ln Lemont, IL 60439
    1,429 sqft | $364/sqft | built 1985 | Similar size (1,429 vs 1,418 sqft); Similar age (1985 vs 1986); Similar lot size (8,750 vs 8,540 sqft)
    $520,000
  • 418 Glenys Dr Lemont, IL 60439
    1,389 sqft | $288/sqft | built 1985 | Similar size (1,389 vs 1,418 sqft); Similar age (1985 vs 1986); Similar lot size (8,470 vs 8,540 sqft)
    $400,000

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 22.2% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$440,010+$80,010+22.2%
2025$360,000$00.0%
2024$360,000$00.0%
2023$360,000+$106,900+42.2%
2022$253,100$00.0%
2021$253,100+$200.0%
2020$253,080——
6-year total+$186,930+73.9%