Cook County Value

1208 Emerald Dr Lemont, IL 60439

3 bed / 2 bath, 1,905 sqft, built 1986, in Lemont. Assessor market value for 2026: $530,010.

Cook County account 22321060020000

Assessor market value
$530,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,905 sqft
$278 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 23.3% from $429,800 in 2025 to $530,010 in 2026.
  • Assessor market value per square footThe current public record shows about $278 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.

  • 171 Shannon Ct Lemont, IL 60439
    1,867 sqft | $284/sqft | built 1986 | Similar size (1,867 vs 1,905 sqft); Built same year (1986); Similar lot size (40,946 vs 40,075 sqft)
    $530,000
  • 14225 Hawthorne Dr Lemont, IL 60439
    1,911 sqft | $304/sqft | built 1981 | Similar size (1,911 vs 1,905 sqft); Similar age (1981 vs 1986); Similar lot size (42,732 vs 40,075 sqft)
    $580,000
  • 12520 Derby Rd Lemont, IL 60439
    1,909 sqft | $283/sqft | built 1988 | Similar size (1,909 vs 1,905 sqft); Similar age (1988 vs 1986); Lot 12% larger (45,049 vs 40,075 sqft)
    $540,000
  • 1350 Gordon Ln Lemont, IL 60439
    1,920 sqft | $414/sqft | built 2001 | Similar size (1,920 vs 1,905 sqft); Similar lot size (40,162 vs 40,075 sqft); Same quality (Average)
    $795,000
  • 12925 Archer Ave Lemont, IL 60439
    1,902 sqft | $273/sqft | built 1977 | Similar size (1,902 vs 1,905 sqft); Similar lot size (43,560 vs 40,075 sqft); Same quality (Average)
    $520,010

Recent comparable sales

No usable comparable sales are available in this data snapshot.

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 23.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$530,010+$100,210+23.3%
2025$429,800$00.0%
2024$429,800−$45,690−9.6%
2023$475,490+$96,360+25.4%
2022$379,130$00.0%
2021$379,130+$100.0%
2020$379,120——
6-year total+$150,890+39.8%