Cook County Value

16464 Willow Dr Lemont, IL 60439

4 bed / 4 bath, 3,672 sqft, built 2013, in Lemont. Assessor market value for 2026: $950,000.

Cook County account 22311100090000

Assessor market value
$950,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,672 sqft
$259 per sqft
Year built
2013
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 changed from $564,000 in 2025 to $950,000 in 2026. A change this large often reflects new construction, a reclassification or a record correction, so check it against the county record.
  • 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.

  • 12759 Tullamore Ln Lemont, IL 60439
    3,643 sqft | $258/sqft | built 2010 | Similar size (3,643 vs 3,672 sqft); Similar age (2010 vs 2013); Similar lot size (12,519 vs 12,736 sqft)
    $940,000
  • 16713 Pasture Dr Lemont, IL 60439
    3,646 sqft | $241/sqft | built 2013 | Similar size (3,646 vs 3,672 sqft); Built same year (2013); Similar lot size (13,009 vs 12,736 sqft)
    $880,000
  • 12956 Waterford Dr Lemont, IL 60439
    3,682 sqft | $242/sqft | built 2007 | Similar size (3,682 vs 3,672 sqft); Similar lot size (12,970 vs 12,736 sqft); Same quality (Average)
    $890,000
  • 12614 Waterford Dr Lemont, IL 60439
    3,698 sqft | $241/sqft | built 2008 | Similar size (3,698 vs 3,672 sqft); Similar age (2008 vs 2013); Similar lot size (12,364 vs 12,736 sqft)
    $890,000
  • 16414 Willow Dr Lemont, IL 60439
    3,603 sqft | $244/sqft | built 2014 | Similar size (3,603 vs 3,672 sqft); Similar age (2014 vs 2013); Similar lot size (12,424 vs 12,736 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 | 7% 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 68.4% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$950,000+$386,000+68.4%
2025$564,000$00.0%
2024$564,000−$196,000−25.8%
2023$760,000+$201,890+36.2%
2022$558,110$00.0%
2021$558,110+$100.0%
2020$558,100——
6-year total+$391,900+70.2%