Cook County Value

1244 Notre Dame Dr Lemont, IL 60439

4 bed / 3 bath, 2,978 sqft, built 2000, in Lemont. Assessor market value for 2026: $710,000.

Cook County account 22284080310000

In line with similar homes

8 similar homes nearby support a value at or above your county value.

Assessor market value$710,000
Similar homes$731,158
No gap: similar homes are at or above the county value · bars start at $0

How sure: High · 8 similar homes (5 shown below) · public records only

Assessor market value
$710,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,978 sqft
$238 per sqft
Year built
2000
Average quality

What we found

Similar homes' assessments

Weak

3 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $245.52/sqft, which supports a value of $731,158.

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 26.8% from $560,030 in 2025 to $710,000 in 2026.
  • Assessor market value per square footThe current public record shows about $238 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 2,806 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 +30.4% on average.

Comparable assessments

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

  • 1236 Notre Dame Dr Lemont, IL 60439
    2,980 sqft | $238/sqft | built 1996 | Similar size (2,980 vs 2,978 sqft); Similar age (1996 vs 2000); Similar lot size (16,320 vs 15,555 sqft)
    $710,000
  • 160 Erin Ct Lemont, IL 60439
    3,014 sqft | $246/sqft | built 1996 | Similar size (3,014 vs 2,978 sqft); Similar age (1996 vs 2000); Similar lot size (16,078 vs 15,555 sqft)
    $740,010
  • 561 S Kromray Rd Lemont, IL 60439
    3,015 sqft | $309/sqft | built 1998 | Similar size (3,015 vs 2,978 sqft); Similar age (1998 vs 2000); Similar lot size (16,748 vs 15,555 sqft)
    $930,400
  • 150 Doolin St Lemont, IL 60439
    3,008 sqft | $296/sqft | built 1993 | Similar size (3,008 vs 2,978 sqft); Similar lot size (16,606 vs 15,555 sqft); Same quality (Average)
    $890,000
  • 159 Erin Ct Lemont, IL 60439
    2,964 sqft | $236/sqft | built 1995 | Similar size (2,964 vs 2,978 sqft); Similar age (1995 vs 2000); Similar lot size (14,337 vs 15,555 sqft)
    $700,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 11 Cedar Ct Lemont, IL 60439
    2,722 sqft | $253/sqft | built 1990 | 9% size difference (2,722 sqft); Moderate age difference (10 years older); Same beds (4)
    $690,000
  • 1238 Acorn St Lemont, IL 60439
    2,802 sqft | $223/sqft | built 1990 | 6% size difference (2,802 sqft); Moderate age difference (10 years older); Within 1 bedroom (3 vs 4)
    $625,000

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 26.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$710,000+$149,970+26.8%
2025$560,030−$29,470−5.0%
2024$589,500−$60,500−9.3%
2023$650,000+$241,300+59.0%
2022$408,700−$14,250−3.4%
2021$422,950+$100.0%
2020$422,940——
6-year total+$287,060+67.9%