Cook County Value

321 Lintz St Lemont, IL 60439

5 bed / 2 bath, 2,550 sqft, built 1994, in Lemont. Assessor market value for 2026: $560,000.

Cook County account 22292280110000

Assessor market value
$560,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,550 sqft
$220 per sqft
Year built
1994
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 27.9% from $437,850 in 2025 to $560,000 in 2026.
  • Assessor market value per square footThe current public record shows about $220 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 1,277 residential records in the same neighborhood, the average assessor market value is about $255 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +25.5% on average.

Comparable assessments

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

  • 324 Lintz St Lemont, IL 60439
    2,470 sqft | $231/sqft | built 1995 | Similar size (2,470 vs 2,550 sqft); Similar age (1995 vs 1994); Similar lot size (8,750 vs 8,750 sqft)
    $570,000
  • 919 Warner Ave Lemont, IL 60439
    2,418 sqft | $227/sqft | built 1987 | 5% smaller (2,418 vs 2,550 sqft); Similar lot size (8,520 vs 8,750 sqft); Same quality (Average)
    $550,000
  • 921 East St Lemont, IL 60439
    2,602 sqft | $223/sqft | built 1992 | Similar size (2,602 vs 2,550 sqft); Similar age (1992 vs 1994); Lot 13% larger (9,872 vs 8,750 sqft)
    $580,000
  • 510 Singer Ave Lemont, IL 60439
    2,727 sqft | $238/sqft | built 2001 | 7% larger (2,727 vs 2,550 sqft); Similar lot size (8,522 vs 8,750 sqft); Same quality (Average)
    $650,000
  • 725 East St Lemont, IL 60439
    2,396 sqft | $238/sqft | built 1992 | 6% smaller (2,396 vs 2,550 sqft); Similar age (1992 vs 1994); Lot 13% smaller (7,623 vs 8,750 sqft)
    $570,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 1238 Acorn St Lemont, IL 60439
    2,802 sqft | $223/sqft | built 1990 | 10% size difference (2,802 sqft); Moderate age difference (4 years older)
    $625,000
  • 11 Cedar Ct Lemont, IL 60439
    2,722 sqft | $253/sqft | built 1990 | 7% size difference (2,722 sqft); Moderate age difference (4 years older); Within 1 bedroom (4 vs 5)
    $690,000

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 27.9% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$560,000+$122,150+27.9%
2025$437,850$00.0%
2024$437,850$00.0%
2023$437,850+$108,200+32.8%
2022$329,650$00.0%
2021$329,650−$24,790−7.0%
2020$354,440——
6-year total+$205,560+58.0%