Cook County Value

1250 118th St Lemont, IL 60439

4 bed / 2 bath, 2,050 sqft, built 1966, in Lemont. Assessor market value for 2026: $490,000.

Cook County account 22214060110000

Assessor market value
$490,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,050 sqft
$239 per sqft
Year built
1966
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 32.4% from $370,000 in 2025 to $490,000 in 2026.
  • Assessor market value per square footThe current public record shows about $239 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 636 residential records in the same neighborhood, the average assessor market value is about $286 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +33.3% on average.

Comparable assessments

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

  • 12829 Artesian St Lemont, IL 60439
    2,167 sqft | $254/sqft | built 1969 | 6% larger (2,167 vs 2,050 sqft); Similar age (1969 vs 1966); Similar lot size (22,000 vs 22,000 sqft)
    $550,000
  • 11970 Center Dr Lemont, IL 60439
    2,065 sqft | $228/sqft | built 1965 | Similar size (2,065 vs 2,050 sqft); Similar age (1965 vs 1966); Similar lot size (20,000 vs 22,000 sqft)
    $470,000
  • 12066 Hillcrest Dr Lemont, IL 60439
    2,028 sqft | $237/sqft | built 1965 | Similar size (2,028 vs 2,050 sqft); Similar age (1965 vs 1966); Similar lot size (20,000 vs 22,000 sqft)
    $480,000
  • 11480 Woodlawn Ave Lemont, IL 60439
    2,103 sqft | $247/sqft | built 1969 | Similar size (2,103 vs 2,050 sqft); Similar age (1969 vs 1966); Similar lot size (23,800 vs 22,000 sqft)
    $520,000
  • 12844 Artesian St Lemont, IL 60439
    2,096 sqft | $219/sqft | built 1956 | Similar size (2,096 vs 2,050 sqft); Similar lot size (23,400 vs 22,000 sqft); Same quality (Average)
    $460,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 11481 Bell Rd Lemont, IL 60439
    1,744 sqft | $290/sqft | built 1957 | 15% size difference (1,744 sqft); Moderate age difference (9 years older); Within 1 bedroom (3 vs 4)
    $505,000

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 32.4% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$490,000+$120,000+32.4%
2025$370,000$00.0%
2024$370,000$00.0%
2023$370,000−$38,910−9.5%
2022$408,910$00.0%
2021$408,910$00.0%
2020$408,910——
6-year total+$81,090+19.8%