Cook County Value

1063 Hermes Ave Lemont, IL 60439

4 bed / 2 bath, 3,047 sqft, built 2000, in Lemont. Assessor market value for 2026: $790,000.

Cook County account 22293250030000

Assessor market value
$790,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,047 sqft
$259 per sqft
Year built
2000
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 43.7% from $549,930 in 2025 to $790,000 in 2026.
  • Assessor market value per square footThe current public record shows about $259 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

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

  • 13074 Klappa Dr Lemont, IL 60439
    3,042 sqft | $240/sqft | built 2005 | Similar size (3,042 vs 3,047 sqft); Similar age (2005 vs 2000); Similar lot size (12,805 vs 12,787 sqft)
    $730,000
  • 1246 Cronin Ct Lemont, IL 60439
    3,052 sqft | $294/sqft | built 2000 | Similar size (3,052 vs 3,047 sqft); Built same year (2000); Similar lot size (13,650 vs 12,787 sqft)
    $896,960
  • 19 W Connaucht St Lemont, IL 60439
    3,049 sqft | $226/sqft | built 1994 | Similar size (3,049 vs 3,047 sqft); Similar lot size (12,992 vs 12,787 sqft); Same quality (Average)
    $690,000
  • 1208 St. Brendans Ct Lemont, IL 60439
    3,073 sqft | $241/sqft | built 1993 | Similar size (3,073 vs 3,047 sqft); Similar lot size (12,874 vs 12,787 sqft); Same quality (Average)
    $740,000
  • 371 Kromray Rd Lemont, IL 60439
    3,087 sqft | $243/sqft | built 1999 | Similar size (3,087 vs 3,047 sqft); Similar age (1999 vs 2000); Similar lot size (12,000 vs 12,787 sqft)
    $750,000

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.

Value history

Up 43.7% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$790,000+$240,070+43.7%
2025$549,930−$50,910−8.5%
2024$600,840−$89,160−12.9%
2023$690,000+$280,990+68.7%
2022$409,010−$27,640−6.3%
2021$436,650+$200.0%
2020$436,630——
6-year total+$353,370+80.9%