Cook County Value

12655 Derry Dr Lemont, IL 60439

6 bed / 2 bath, 2,644 sqft, built 2026, in Lemont Assessor market value for 2026: $610,000.

Cook County account 22263090610000

Assessor market value
$610,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,644 sqft
$231 per sqft
Year built
2026
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.

  • Assessor market value per square footThe current public record shows about $231 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 858 residential records in the same neighborhood, the average assessor market value is about $264 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +21.4% on average.

Comparable assessments

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

  • 12615 Derry Dr Lemont, IL 60439
    2,656 sqft | $77/sqft | built 2026 | Similar size (2,656 vs 2,644 sqft); Built same year (2026); Similar lot size (8,023 vs 8,027 sqft)
    $204,610
  • 12611 Derry Dr Lemont, IL 60439
    2,656 sqft | $77/sqft | built 2026 | Similar size (2,656 vs 2,644 sqft); Built same year (2026); Similar lot size (8,024 vs 8,027 sqft)
    $204,620
  • 13439 Belfast Way Lemont, IL 60439
    2,641 sqft | $227/sqft | built 2025 | Similar size (2,641 vs 2,644 sqft); Similar age (2025 vs 2026); Similar lot size (7,971 vs 8,027 sqft)
    $600,000
  • 13444 Belfast Way Lemont, IL 60439
    2,656 sqft | $230/sqft | built 2026 | Similar size (2,656 vs 2,644 sqft); Built same year (2026); Similar lot size (7,884 vs 8,027 sqft)
    $610,010
  • 13431 Belfast Way Lemont, IL 60439
    2,641 sqft | $231/sqft | built 2025 | Similar size (2,641 vs 2,644 sqft); Similar age (2025 vs 2026); Similar lot size (7,756 vs 8,027 sqft)
    $610,010

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.

Recent sale history

Recent transfers help establish whether the county value is tracking real market behavior.

  • $710,150 sale recorded on June-29-2026