Cook County Value

903 Singer Ave Lemont, IL 60439

2 bed / 1 bath, 1,176 sqft, built 1895, in Lemont. Assessor market value for 2026: $310,010.

Cook County account 22291190020000

Assessor market value
$310,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,176 sqft
$264 per sqft
Year built
1895
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 changed from $188,760 in 2025 to $310,010 in 2026. A change this large often reflects new construction, a reclassification or a record correction, so check it against the county record.
  • Assessor market value per square footThe current public record shows about $264 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.

  • 537 Ledochowski St Lemont, IL 60439
    1,088 sqft | $230/sqft | built 1898 | 8% smaller (1,088 vs 1,176 sqft); Similar age (1898 vs 1895); Similar lot size (6,600 vs 6,660 sqft)
    $250,000
  • 714 Ledochowski St Lemont, IL 60439
    1,172 sqft | $205/sqft | built 1884 | Similar size (1,172 vs 1,176 sqft); Similar lot size (6,750 vs 6,660 sqft); Same quality (Average)
    $240,000
  • 612 Czacki St Lemont, IL 60439
    1,119 sqft | $259/sqft | built 1891 | Similar size (1,119 vs 1,176 sqft); Similar age (1891 vs 1895); Similar lot size (6,600 vs 6,660 sqft)
    $290,000
  • 714 Czacki St Lemont, IL 60439
    1,211 sqft | $239/sqft | built 1891 | Similar size (1,211 vs 1,176 sqft); Similar age (1891 vs 1895); Similar lot size (6,600 vs 6,660 sqft)
    $290,000
  • 319 Freehauf St Lemont, IL 60439
    1,120 sqft | $241/sqft | built 1893 | Similar size (1,120 vs 1,176 sqft); Similar age (1893 vs 1895); Similar lot size (6,708 vs 6,660 sqft)
    $270,010

Recent comparable sales

Sales selected by similarity to the subject property.

  • 16004 New Ave Lemont, IL 60439
    1,037 sqft | $241/sqft | built 1893 | 12% size difference (1,037 sqft); Similar age (1893); Within 1 bedroom (3 vs 2)
    $250,000

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 64.2% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$310,010+$121,250+64.2%
2025$188,760−$18,240−8.8%
2024$207,000−$23,010−10.0%
2023$230,010+$58,140+33.8%
2022$171,870−$16,560−8.8%
2021$188,430$00.0%
2020$188,430——
6-year total+$121,580+64.5%