Cook County Value

50 W Roberta St Lemont, IL 60439

3 bed / 2 bath, 1,798 sqft, built 1993, in Lemont. Assessor market value for 2026: $480,000.

Cook County account 22304080060000

Assessor market value
$480,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,798 sqft
$267 per sqft
Year built
1993
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 14.3% from $420,000 in 2025 to $480,000 in 2026.
  • Assessor market value per square footThe current public record shows about $267 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.

  • 101 Timberline Dr Lemont, IL 60439
    1,800 sqft | $261/sqft | built 1985 | Similar size (1,800 vs 1,798 sqft); Similar lot size (8,618 vs 8,724 sqft); Same quality (Average)
    $470,000
  • 129 Timberline Dr Lemont, IL 60439
    1,749 sqft | $280/sqft | built 1993 | Similar size (1,749 vs 1,798 sqft); Built same year (1993); Lot 10% larger (9,600 vs 8,724 sqft)
    $490,000
  • 6 W Meagan Ln Lemont, IL 60439
    1,760 sqft | $284/sqft | built 1989 | Similar size (1,760 vs 1,798 sqft); Similar age (1989 vs 1993); Similar lot size (9,468 vs 8,724 sqft)
    $500,000
  • 60 Peiffer St Lemont, IL 60439
    1,817 sqft | $281/sqft | built 1981 | Similar size (1,817 vs 1,798 sqft); Similar lot size (8,250 vs 8,724 sqft); Same quality (Average)
    $510,000
  • 93 Timberline Dr Lemont, IL 60439
    1,818 sqft | $264/sqft | built 1986 | Similar size (1,818 vs 1,798 sqft); Similar lot size (9,366 vs 8,724 sqft); Same quality (Average)
    $480,000

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 14.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$480,000+$60,000+14.3%
2025$420,000$00.0%
2024$420,000$00.0%
2023$420,000+$157,550+60.0%
2022$262,450$00.0%
2021$262,450+$100.0%
2020$262,440——
6-year total+$217,560+82.9%