Cook County Value

1019 Blacksmith Ln Lemont, IL 60439

4 bed / 2 bath, 2,510 sqft, built 1992, in Lemont. Assessor market value for 2026: $620,010.

Cook County account 22214100040000

Assessor market value
$620,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,510 sqft
$247 per sqft
Year built
1992
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 26.5% from $490,000 in 2025 to $620,010 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.

  • 1021 Coach Ln Lemont, IL 60439
    2,540 sqft | $228/sqft | built 1992 | Similar size (2,540 vs 2,510 sqft); Built same year (1992); Similar lot size (10,222 vs 10,660 sqft)
    $580,000
  • 1022 Blacksmith Ln Lemont, IL 60439
    2,540 sqft | $277/sqft | built 1992 | Similar size (2,540 vs 2,510 sqft); Built same year (1992); Similar lot size (10,222 vs 10,660 sqft)
    $704,270
  • 1244 Camelot Ln Lemont, IL 60439
    2,517 sqft | $238/sqft | built 1993 | Similar size (2,517 vs 2,510 sqft); Similar age (1993 vs 1992); Similar lot size (10,793 vs 10,660 sqft)
    $600,000
  • 13007 Rolling Meadows Dr Lemont, IL 60439
    2,504 sqft | $244/sqft | built 1998 | Similar size (2,504 vs 2,510 sqft); Similar lot size (10,400 vs 10,660 sqft); Same quality (Average)
    $610,000
  • 1026 Blacksmith Ln Lemont, IL 60439
    2,540 sqft | $228/sqft | built 1992 | Similar size (2,540 vs 2,510 sqft); Built same year (1992); Similar lot size (11,381 vs 10,660 sqft)
    $580,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 1238 Acorn St Lemont, IL 60439
    2,802 sqft | $223/sqft | built 1990 | 12% size difference (2,802 sqft); Similar age (1990); Within 1 bedroom (3 vs 4)
    $625,000
  • 11 Cedar Ct Lemont, IL 60439
    2,722 sqft | $253/sqft | built 1990 | 8% size difference (2,722 sqft); Similar age (1990); Same beds (4)
    $690,000

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 26.5% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$620,010+$130,010+26.5%
2025$490,000$00.0%
2024$490,000$00.0%
2023$490,000+$91,550+23.0%
2022$398,450$00.0%
2021$398,450+$100.0%
2020$398,440——
6-year total+$221,570+55.6%