Cook County Value

12649 Waterford Dr Lemont, IL 60439

4 bed / 3 bath, 3,649 sqft, built 2010, in Lemont. Assessor market value for 2026: $860,000.

Cook County account 22352030140000

In line with similar homes

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

Assessor market value$860,000
Similar homes$883,751
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
$860,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,649 sqft
$236 per sqft
Year built
2010
Average quality

What we found

Similar homes' assessments

Weak

2 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $241.72/sqft, but land is valued apart from the home, and some of them have less land value per square foot of home than yours, which counts as $101,340. Counting your land in place of theirs where theirs is less, they support a value of $883,751.

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 17.8% from $730,000 in 2025 to $860,000 in 2026.
  • Assessor market value per square footThe current public record shows about $236 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.

  • 12794 Waterford Dr Lemont, IL 60439
    3,662 sqft | $232/sqft | built 2007 | Similar size (3,662 vs 3,649 sqft); Similar age (2007 vs 2010); Similar lot size (12,689 vs 13,076 sqft)
    $850,000
  • 13057 Dunmoor Dr Lemont, IL 60439
    3,695 sqft | $233/sqft | built 2010 | Similar size (3,695 vs 3,649 sqft); Built same year (2010); Similar lot size (13,314 vs 13,076 sqft)
    $860,000
  • 12759 Tullamore Ln Lemont, IL 60439
    3,643 sqft | $258/sqft | built 2010 | Similar size (3,643 vs 3,649 sqft); Built same year (2010); Similar lot size (12,519 vs 13,076 sqft)
    $940,000
  • 12956 Waterford Dr Lemont, IL 60439
    3,682 sqft | $242/sqft | built 2007 | Similar size (3,682 vs 3,649 sqft); Similar age (2007 vs 2010); Similar lot size (12,970 vs 13,076 sqft)
    $890,000
  • 12897 Klappa Dr Lemont, IL 60439
    3,590 sqft | $245/sqft | built 2013 | Similar size (3,590 vs 3,649 sqft); Similar age (2013 vs 2010); Similar lot size (12,583 vs 13,076 sqft)
    $880,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 12554 Eileen St Lemont, IL 60439
    June-29-2026 | 3,421 sqft | $272/sqft | built 2025 | 6% size difference (3,421 sqft); Sold after the valuation date; Within 1 bedroom (5 vs 4)
    $930,895
  • 12655 Derry Dr Lemont, IL 60439
    June-29-2026 | 2,672 sqft | $266/sqft | built 2025 | Sold after the valuation date; Within 1 bedroom (3 vs 4)
    $710,150

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 17.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$860,000+$130,000+17.8%
2025$730,000$00.0%
2024$730,000$00.0%
2023$730,000+$243,990+50.2%
2022$486,010$00.0%
2021$486,010+$100.0%
2020$486,000——
6-year total+$374,000+77.0%