Cook County Value

12703 Waterford Dr Lemont, IL 60439

4 bed / 2 bath, 3,180 sqft, built 2011, in Lemont. Assessor market value for 2026: $850,000.

Cook County account 22352030100000

Assessor market value
$850,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,180 sqft
$267 per sqft
Year built
2011
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 38.2% from $615,100 in 2025 to $850,000 in 2026.
  • Assessor market value per square footThe current public record shows about $267 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.

  • 12662 Waterford Dr Lemont, IL 60439
    3,167 sqft | $259/sqft | built 2008 | Similar size (3,167 vs 3,180 sqft); Similar age (2008 vs 2011); Similar lot size (12,364 vs 12,440 sqft)
    $820,000
  • 12772 Tullamore Ln Lemont, IL 60439
    3,205 sqft | $265/sqft | built 2016 | Similar size (3,205 vs 3,180 sqft); Similar age (2016 vs 2011); Similar lot size (12,519 vs 12,440 sqft)
    $850,000
  • 12797 Tullamore Ln Lemont, IL 60439
    3,191 sqft | $270/sqft | built 2013 | Similar size (3,191 vs 3,180 sqft); Similar age (2013 vs 2011); Similar lot size (12,519 vs 12,440 sqft)
    $860,000
  • 12638 Waterford Dr Lemont, IL 60439
    3,195 sqft | $269/sqft | built 2014 | Similar size (3,195 vs 3,180 sqft); Similar age (2014 vs 2011); Similar lot size (12,364 vs 12,440 sqft)
    $860,000
  • 13143 Ballycastle Ct Lemont, IL 60439
    3,162 sqft | $247/sqft | built 2008 | Similar size (3,162 vs 3,180 sqft); Similar age (2008 vs 2011); Similar lot size (12,471 vs 12,440 sqft)
    $780,000

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

Value history

Up 38.2% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$850,000+$234,900+38.2%
2025$615,100−$43,960−6.7%
2024$659,060−$20,940−3.1%
2023$680,000+$217,570+47.0%
2022$462,430$00.0%
2021$462,430−$1,980−0.4%
2020$464,410——
6-year total+$385,590+83.0%