Cook County Value

12662 Waterford Dr Lemont, IL 60439

4 bed / 2 bath, 3,167 sqft, built 2008, in Lemont. Assessor market value for 2026: $820,000.

Cook County account 22352020060000

In line with similar homes

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

Assessor market value$820,000
Similar homes$833,142
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
$820,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,167 sqft
$259 per sqft
Year built
2008
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 $263.07/sqft, which supports a value of $833,142.

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 31.3% from $624,470 in 2025 to $820,000 in 2026.
  • Assessor market value per square footThe current public record shows about $259 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.

  • 12703 Waterford Dr Lemont, IL 60439
    3,180 sqft | $267/sqft | built 2011 | Similar size (3,180 vs 3,167 sqft); Similar age (2011 vs 2008); Similar lot size (12,440 vs 12,364 sqft)
    $850,000
  • 13143 Ballycastle Ct Lemont, IL 60439
    3,162 sqft | $247/sqft | built 2008 | Similar size (3,162 vs 3,167 sqft); Built same year (2008); Similar lot size (12,471 vs 12,364 sqft)
    $780,000
  • 12813 Tullamore Ln Lemont, IL 60439
    3,144 sqft | $270/sqft | built 2014 | Similar size (3,144 vs 3,167 sqft); Similar lot size (12,519 vs 12,364 sqft); Same quality (Average)
    $850,000
  • 12757 Dunmoor Dr Lemont, IL 60439
    3,155 sqft | $263/sqft | built 2010 | Similar size (3,155 vs 3,167 sqft); Similar age (2010 vs 2008); Similar lot size (12,786 vs 12,364 sqft)
    $830,000
  • 13750 Buchanan Dr Lemont, IL 60439
    3,150 sqft | $260/sqft | built 2016 | Similar size (3,150 vs 3,167 sqft); Similar lot size (12,411 vs 12,364 sqft); Same quality (Average)
    $820,010

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: . Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 31.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$820,000+$195,530+31.3%
2025$624,470−$35,530−5.4%
2024$660,000$00.0%
2023$660,000+$194,630+41.8%
2022$465,370$00.0%
2021$465,370+$5,940+1.3%
2020$459,430——
6-year total+$360,570+78.5%