Cook County Value

14742 Main St Lemont, IL 60439

2 bed / 1 bath, 796 sqft, built 1899, in Lemont. Assessor market value for 2026: $210,000.

Cook County account 22212010110000

Assessor market value
$210,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
796 sqft
$264 per sqft
Year built
1899
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 7.1% from $196,000 in 2025 to $210,000 in 2026.
  • 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

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

  • 823 State St Lemont, IL 60439
    860 sqft | $267/sqft | built 1898 | 8% larger (860 vs 796 sqft); Similar age (1898 vs 1899); Lot 11% smaller (14,454 vs 16,160 sqft)
    $230,000
  • 605 Walnut St Lemont, IL 60439
    832 sqft | $276/sqft | built 1885 | Similar size (832 vs 796 sqft); Lot 18% smaller (13,312 vs 16,160 sqft); Same quality (Average)
    $230,000
  • 15952 New Ave Lemont, IL 60439
    876 sqft | $365/sqft | built 1902 | 10% larger (876 vs 796 sqft); Similar age (1902 vs 1899); Same quality (Average)
    $320,000
  • 16378 New Ave Lemont, IL 60439
    899 sqft | $389/sqft | built 1913 | 13% larger (899 vs 796 sqft); Lot 19% smaller (13,112 vs 16,160 sqft); Same quality (Average)
    $350,000
  • 16036 W New Ave Lemont, IL 60439
    906 sqft | $221/sqft | built 1895 | 14% larger (906 vs 796 sqft); Similar age (1895 vs 1899); Same quality (Average)
    $200,000

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 7.1% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$210,000+$14,000+7.1%
2025$196,000$00.0%
2024$196,000$00.0%
2023$196,000+$31,540+19.2%
2022$164,460$00.0%
2021$164,460+$100.0%
2020$164,450——
6-year total+$45,550+27.7%