Cook County Value

1225 Emerald Dr Lemont, IL 60439

3 bed / 2 bath, 2,937 sqft, built 1986, in Lemont. Assessor market value for 2026: $700,000.

Cook County account 22321080040000

Assessor market value
$700,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,937 sqft
$238 per sqft
Year built
1986
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 29.6% from $540,000 in 2025 to $700,000 in 2026.
  • Assessor market value per square footThe current public record shows about $238 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.

  • 1204 Emerald Dr Lemont, IL 60439
    2,925 sqft | $250/sqft | built 1986 | Similar size (2,925 vs 2,937 sqft); Built same year (1986); Similar lot size (40,031 vs 41,382 sqft)
    $730,000
  • 1337 Gordon Ln Lemont, IL 60439
    2,939 sqft | $259/sqft | built 1989 | Similar size (2,939 vs 2,937 sqft); Similar age (1989 vs 1986); Similar lot size (40,510 vs 41,382 sqft)
    $760,000
  • 5 Woodland Dr Lemont, IL 60439
    2,931 sqft | $266/sqft | built 1989 | Similar size (2,931 vs 2,937 sqft); Similar age (1989 vs 1986); Similar lot size (40,075 vs 41,382 sqft)
    $780,000
  • 1308 Leinster Dr Lemont, IL 60439
    2,908 sqft | $251/sqft | built 1987 | Similar size (2,908 vs 2,937 sqft); Similar age (1987 vs 1986); Similar lot size (40,946 vs 41,382 sqft)
    $730,000
  • 194 Munster Rd Lemont, IL 60439
    2,949 sqft | $234/sqft | built 1985 | Similar size (2,949 vs 2,937 sqft); Similar age (1985 vs 1986); Similar lot size (40,075 vs 41,382 sqft)
    $690,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 1238 Acorn St Lemont, IL 60439
    2,802 sqft | $223/sqft | built 1990 | Similar size (2,802 sqft); Moderate age difference (4 years newer); Same beds (3)
    $625,000
  • 11 Cedar Ct Lemont, IL 60439
    2,722 sqft | $253/sqft | built 1990 | 7% size difference (2,722 sqft); Moderate age difference (4 years newer); Within 1 bedroom (4 vs 3)
    $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 29.6% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$700,000+$160,000+29.6%
2025$540,000$00.0%
2024$540,000$00.0%
2023$540,000+$122,360+29.3%
2022$417,640$00.0%
2021$417,640+$100.0%
2020$417,630——
6-year total+$282,370+67.6%