Cook County Value

5 115th St Lemont, IL 60439

5 bed / 4 bath, 4,816 sqft, built 2023, in Lemont Assessor market value for 2026: $1,450,000.

Cook County account 22243020160000

Assessor market value
$1,450,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,816 sqft
$301 per sqft
Year built
2023
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 39.4% from $1,040,000 in 2025 to $1,450,000 in 2026.
  • Assessor market value per square footThe current public record shows about $301 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 321 residential records in the same neighborhood, the average assessor market value is about $244 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +52.5% on average.

Comparable assessments

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

  • 2 Paddock Lemont, IL 60439
    4,678 sqft | $299/sqft | built 2024 | Similar size (4,678 vs 4,816 sqft); Similar age (2024 vs 2023); Similar lot size (40,031 vs 42,000 sqft)
    $1,400,000
  • 49 Brookside Dr Lemont, IL 60439
    5,523 sqft | $322/sqft | built 2023 | 15% larger (5,523 vs 4,816 sqft); Built same year (2023); Similar lot size (42,109 vs 42,000 sqft)
    $1,776,000
  • 41 Brookside Dr Lemont, IL 60439
    4,723 sqft | $243/sqft | built 2008 | Similar size (4,723 vs 4,816 sqft); Similar lot size (40,554 vs 42,000 sqft); Same quality (Average)
    $1,150,000
  • 48 Rusty Rd Lemont, IL 60439
    5,229 sqft | $281/sqft | built 2019 | 9% larger (5,229 vs 4,816 sqft); Similar age (2019 vs 2023); Lot 15% larger (48,438 vs 42,000 sqft)
    $1,470,000
  • 61 Horseshoe Ln Lemont, IL 60439
    3,952 sqft | $314/sqft | built 2012 | Similar lot size (40,163 vs 42,000 sqft); Same quality (Average); Same neighborhood
    $1,239,860

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: . 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 39.4% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,450,000+$410,000+39.4%
2025$1,040,000$00.0%
2024$1,040,000+$903,500+661.9%
2023$136,500+$10,500+8.3%
2022$126,000$00.0%
2021$126,000$00.0%
2020$126,000——
6-year total+$1,324,000+1050.8%