Cook County Value

202 Cass St Lemont, IL 60439

4 bed / 1 bath, 1,596 sqft, built 1881, in Lemont. Assessor market value for 2026: $340,000.

Cook County account 22203190200000

Assessor market value
$340,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,596 sqft
$213 per sqft
Year built
1881
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 30.8% from $260,000 in 2025 to $340,000 in 2026.
  • Assessor market value per square footThe current public record shows about $213 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 1,277 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 +25.5% on average.

Comparable assessments

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

  • 207 Julia St Lemont, IL 60439
    1,616 sqft | $179/sqft | built 1880 | Similar size (1,616 vs 1,596 sqft); Similar age (1880 vs 1881); Similar lot size (4,650 vs 4,752 sqft)
    $290,000
  • 711 Illinois St Lemont, IL 60439
    1,584 sqft | $246/sqft | built 1895 | Similar size (1,584 vs 1,596 sqft); Similar lot size (4,650 vs 4,752 sqft); Same quality (Average)
    $390,000
  • 414 Grant St Lemont, IL 60439
    1,732 sqft | $208/sqft | built 1878 | 8% larger (1,732 vs 1,596 sqft); Similar age (1878 vs 1881); Similar lot size (5,000 vs 4,752 sqft)
    $360,000
  • 600 Moczygemba St Lemont, IL 60439
    1,549 sqft | $82/sqft | built 1876 | Similar size (1,549 vs 1,596 sqft); Similar age (1876 vs 1881); Lot 14% larger (5,406 vs 4,752 sqft)
    $127,460
  • 600 Moczygemba St Lemont, IL 60439
    1,549 sqft | $108/sqft | built 1876 | Similar size (1,549 vs 1,596 sqft); Similar age (1876 vs 1881); Lot 14% larger (5,406 vs 4,752 sqft)
    $167,540

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: . Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 30.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$340,000+$80,000+30.8%
2025$260,000$00.0%
2024$260,000$00.0%
2023$260,000+$74,530+40.2%
2022$185,470$00.0%
2021$185,470+$100.0%
2020$185,460——
6-year total+$154,540+83.3%