Cook County Value

10 Auburn Ct Lemont, IL 60439

4 bed / 3 bath, 3,034 sqft, built 2009, in Lemont. Assessor market value for 2026: $780,000.

Cook County account 22284150210000

Assessor market value
$780,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,034 sqft
$257 per sqft
Year built
2009
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 36.9% from $569,950 in 2025 to $780,000 in 2026.
  • Assessor market value per square footThe current public record shows about $257 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.

  • 7 Auburn Ct Lemont, IL 60439
    3,034 sqft | $237/sqft | built 2007 | Similar size (3,034 vs 3,034 sqft); Similar age (2007 vs 2009); Similar lot size (14,854 vs 14,933 sqft)
    $720,000
  • 1200 Keough St Lemont, IL 60439
    3,035 sqft | $231/sqft | built 2005 | Similar size (3,035 vs 3,034 sqft); Similar age (2005 vs 2009); Similar lot size (13,536 vs 14,933 sqft)
    $700,000
  • 9 Overton Ct Lemont, IL 60439
    2,859 sqft | $283/sqft | built 2013 | 6% smaller (2,859 vs 3,034 sqft); Similar age (2013 vs 2009); Similar lot size (13,880 vs 14,933 sqft)
    $810,000
  • 1065 Berkley Ln Lemont, IL 60439
    3,035 sqft | $231/sqft | built 2004 | Similar size (3,035 vs 3,034 sqft); Similar age (2004 vs 2009); Lot 13% smaller (12,945 vs 14,933 sqft)
    $700,000
  • 1235 Auburn Rd Lemont, IL 60439
    3,035 sqft | $237/sqft | built 2009 | Similar size (3,035 vs 3,034 sqft); Built same year (2009); Lot 19% smaller (12,132 vs 14,933 sqft)
    $720,010

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 36.9% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$780,000+$210,050+36.9%
2025$569,950−$49,510−8.0%
2024$619,460−$28,340−4.4%
2023$647,800+$253,210+64.2%
2022$394,590−$30,250−7.1%
2021$424,840+$100.0%
2020$424,830——
6-year total+$355,170+83.6%