Cook County Value

1262 Durham Ln Lemont, IL 60439

4 bed / 2 bath, 2,752 sqft, built 2003, in Lemont. Assessor market value for 2026: $640,010.

Cook County account 22283140140000

Assessor market value
$640,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,752 sqft
$233 per sqft
Year built
2003
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 15.4% from $554,400 in 2025 to $640,010 in 2026.
  • Assessor market value per square footThe current public record shows about $233 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 609 residential records in the same neighborhood, the average assessor market value is about $239 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +21.5% on average.

Comparable assessments

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

  • 1164 Camelot Ln Lemont, IL 60439
    2,716 sqft | $228/sqft | built 1998 | Similar size (2,716 vs 2,752 sqft); Similar age (1998 vs 2003); Similar lot size (14,273 vs 14,260 sqft)
    $620,000
  • 1043 Norwalk Rd Lemont, IL 60439
    2,673 sqft | $239/sqft | built 1999 | Similar size (2,673 vs 2,752 sqft); Similar age (1999 vs 2003); Similar lot size (14,665 vs 14,260 sqft)
    $640,000
  • 12863 Falcon Ct Lemont, IL 60439
    2,929 sqft | $225/sqft | built 1998 | 6% larger (2,929 vs 2,752 sqft); Similar age (1998 vs 2003); Similar lot size (14,370 vs 14,260 sqft)
    $660,000
  • 12824 Falcon Ct Lemont, IL 60439
    2,929 sqft | $236/sqft | built 1997 | 6% larger (2,929 vs 2,752 sqft); Similar lot size (14,510 vs 14,260 sqft); Same quality (Average)
    $690,000
  • 1081 Berkley Ln Lemont, IL 60439
    2,581 sqft | $252/sqft | built 2004 | 6% smaller (2,581 vs 2,752 sqft); Similar age (2004 vs 2003); Similar lot size (14,157 vs 14,260 sqft)
    $650,000

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 15.4% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$640,010+$85,610+15.4%
2025$554,400−$35,600−6.0%
2024$590,000$00.0%
2023$590,000+$227,910+62.9%
2022$362,090−$32,090−8.1%
2021$394,180$00.0%
2020$394,180——
6-year total+$245,830+62.4%