Cook County Value

41 E Custer St Lemont, IL 60439

3 bed / 1 bath, 1,758 sqft, built 1913, in Lemont Assessor market value for 2026: $450,000.

Cook County account 22291020050000

Assessor market value
$450,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,758 sqft
$256 per sqft
Year built
1913
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 21.6% from $370,000 in 2025 to $450,000 in 2026.
  • Assessor market value per square footThe current public record shows about $256 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

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

  • 38 E Division St Lemont, IL 60439
    1,851 sqft | $281/sqft | built 1920 | 5% larger (1,851 vs 1,758 sqft); Similar lot size (14,000 vs 14,000 sqft); Same quality (Average)
    $520,000
  • 410 Singer Ave Lemont, IL 60439
    1,651 sqft | $402/sqft | built 1908 | 6% smaller (1,651 vs 1,758 sqft); Similar age (1908 vs 1913); Similar lot size (14,200 vs 14,000 sqft)
    $663,830
  • 102 Cass St Lemont, IL 60439
    1,618 sqft | $235/sqft | built 1913 | 8% smaller (1,618 vs 1,758 sqft); Built same year (1913); Similar lot size (13,676 vs 14,000 sqft)
    $380,010
  • 55 Peiffer St Lemont, IL 60439
    1,582 sqft | $209/sqft | built 1920 | 10% smaller (1,582 vs 1,758 sqft); Similar lot size (12,780 vs 14,000 sqft); Same quality (Average)
    $330,010
  • 401 Lemont St Lemont, IL 60439
    2,020 sqft | $267/sqft | built 1910 | 15% larger (2,020 vs 1,758 sqft); Similar age (1910 vs 1913); Similar lot size (13,068 vs 14,000 sqft)
    $540,010

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: . 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 21.6% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$450,000+$80,000+21.6%
2025$370,000$00.0%
2024$370,000$00.0%
2023$370,000+$114,130+44.6%
2022$255,870$00.0%
2021$255,870$00.0%
2020$255,870——
6-year total+$194,130+75.9%