Cook County Value

16431 Willow Dr Lemont

4 bed / 4 bath, 4,106 sqft, built 2019, in Lemont. Assessor market value for 2026: $1,030,000.

Cook County account 22311140120000

Assessor market value
$1,030,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,106 sqft
$251 per sqft
Year built
2019
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 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 29.9% from $793,000 in 2025 to $1,030,000 in 2026.
  • Assessor market value per square footThe current public record shows about $251 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Lemont neighborhood.
  • 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

Similar public appraisal records selected for this property's equity comparison.

  • 16616 Pasture Dr Lemont, IL 60439
    4,246 sqft | $250/sqft | built 2016 | Similar size (4,246 vs 4,106 sqft); Similar age (2016 vs 2019); Similar lot size (17,914 vs 17,834 sqft)
    $1,060,000
  • 16441 Willow Dr Lemont, IL 60439
    3,961 sqft | $265/sqft | built 2021 | Similar size (3,961 vs 4,106 sqft); Similar age (2021 vs 2019); Similar lot size (17,103 vs 17,834 sqft)
    $1,050,000
  • 13691 Kettering Pky Lemont, IL 60439
    3,773 sqft | $244/sqft | built 2017 | 8% smaller (3,773 vs 4,106 sqft); Similar age (2017 vs 2019); Similar lot size (16,468 vs 17,834 sqft)
    $920,000
  • 16591 Willow Dr Lemont, IL 60439
    3,901 sqft | $274/sqft | built 2017 | Similar size (3,901 vs 4,106 sqft); Similar age (2017 vs 2019); Lot 14% smaller (15,343 vs 17,834 sqft)
    $1,070,000
  • 13631 Kettering Pky Lemont, IL 60439
    4,305 sqft | $242/sqft | built 2016 | Similar size (4,305 vs 4,106 sqft); Similar age (2016 vs 2019); Lot 14% smaller (15,263 vs 17,834 sqft)
    $1,040,000

Recent comparable sales

No usable comparable sales are available in this data snapshot.

Public appraisal comparison for 2026. Prepared . Appraisal source: Cook County Assessor's Office. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 29.9% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,030,000+$237,000+29.9%
2025$793,000$00.0%
2024$793,000−$47,000−5.6%
2023$840,000+$160,100+23.5%
2022$679,900$00.0%
2021$679,900+$93,230+15.9%
2020$586,670——
6-year total+$443,330+75.6%