Cook County Value

13670 Buchanan Dr Lemont, IL 60439

4 bed / 3 bath, 3,562 sqft, built 2016, in Lemont. Assessor market value for 2026: $880,000.

Cook County account 22344080070000

Assessor market value
$880,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,562 sqft
$247 per sqft
Year built
2016
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 22.2% from $720,000 in 2025 to $880,000 in 2026.
  • Assessor market value per square footThe current public record shows about $247 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

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

  • 13680 Kettering Pky Lemont, IL 60439
    3,545 sqft | $251/sqft | built 2016 | Similar size (3,545 vs 3,562 sqft); Built same year (2016); Similar lot size (13,647 vs 14,339 sqft)
    $890,000
  • 12779 Mayfair Dr Lemont, IL 60439
    3,620 sqft | $229/sqft | built 2013 | Similar size (3,620 vs 3,562 sqft); Similar age (2013 vs 2016); Similar lot size (14,416 vs 14,339 sqft)
    $830,000
  • 13370 Bond Cir Lemont, IL 60439
    3,628 sqft | $226/sqft | built 2017 | Similar size (3,628 vs 3,562 sqft); Similar age (2017 vs 2016); Similar lot size (14,077 vs 14,339 sqft)
    $820,000
  • 12123 Fairmont Ln Lemont, IL 60439
    3,488 sqft | $255/sqft | built 2016 | Similar size (3,488 vs 3,562 sqft); Built same year (2016); Similar lot size (15,225 vs 14,339 sqft)
    $890,000
  • 13700 Buchanan Dr Lemont, IL 60439
    3,661 sqft | $246/sqft | built 2021 | Similar size (3,661 vs 3,562 sqft); Similar age (2021 vs 2016); Similar lot size (14,252 vs 14,339 sqft)
    $900,000

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 | Similar size (3,421 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $930,895
  • 12655 Derry Dr Lemont, IL 60439
    June-29-2026 | 2,672 sqft | $266/sqft | built 2025 | Moderate age difference (9 years newer); 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: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 22.2% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$880,000+$160,000+22.2%
2025$720,000$00.0%
2024$720,000$00.0%
2023$720,000+$158,040+28.1%
2022$561,960$00.0%
2021$561,960+$200.0%
2020$561,940——
6-year total+$318,060+56.6%