Cook County Value

70 Logan St Lemont, IL 60439

3 bed / 1 bath, 1,819 sqft, built 1988, in Lemont. Assessor market value for 2026: $500,010.

Cook County account 22302070250000

Assessor market value
$500,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,819 sqft
$275 per sqft
Year built
1988
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 39.1% from $359,520 in 2025 to $500,010 in 2026.
  • Assessor market value per square footThe current public record shows about $275 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 437 residential records in the same neighborhood, the average assessor market value is about $261 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +25.7% on average.

Comparable assessments

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

  • 16 Timberline Ct Lemont, IL 60439
    1,792 sqft | $257/sqft | built 1987 | Similar size (1,792 vs 1,819 sqft); Similar age (1987 vs 1988); Similar lot size (10,229 vs 10,788 sqft)
    $460,000
  • 781 Kruk St Lemont, IL 60439
    1,768 sqft | $283/sqft | built 1987 | Similar size (1,768 vs 1,819 sqft); Similar age (1987 vs 1988); Similar lot size (10,944 vs 10,788 sqft)
    $500,000
  • 56 W Logan St Lemont, IL 60439
    1,923 sqft | $244/sqft | built 1987 | 6% larger (1,923 vs 1,819 sqft); Similar age (1987 vs 1988); Similar lot size (10,897 vs 10,788 sqft)
    $470,000
  • 800 Schultz St Lemont, IL 60439
    1,780 sqft | $281/sqft | built 1987 | Similar size (1,780 vs 1,819 sqft); Similar age (1987 vs 1988); Similar lot size (10,361 vs 10,788 sqft)
    $500,000
  • 661 Harasek St Lemont, IL 60439
    1,826 sqft | $279/sqft | built 1990 | Similar size (1,826 vs 1,819 sqft); Similar age (1990 vs 1988); Similar lot size (10,032 vs 10,788 sqft)
    $510,000

Recent comparable sales

No usable comparable sales are available in this data snapshot.

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 39.1% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$500,010+$140,490+39.1%
2025$359,520−$6,550−1.8%
2024$366,070−$33,930−8.5%
2023$400,000+$128,240+47.2%
2022$271,760$00.0%
2021$271,760−$30,160−10.0%
2020$301,920——
6-year total+$198,090+65.6%