Cook County Value

433 Julia St Lemont, IL 60439

2 bed / 1 bath, 792 sqft, built 1952, in Lemont. Assessor market value for 2026: $240,000.

Cook County account 22204390200000

Assessor market value
$240,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
792 sqft
$303 per sqft
Year built
1952
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 17.1% from $204,980 in 2025 to $240,000 in 2026.
  • Assessor market value per square footThe current public record shows about $303 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.

  • 435 Julia St Lemont, IL 60439
    792 sqft | $316/sqft | built 1949 | Similar size (792 vs 792 sqft); Similar age (1949 vs 1952); Similar lot size (6,800 vs 6,600 sqft)
    $250,000
  • 512 McCarthy St Lemont, IL 60439
    811 sqft | $333/sqft | built 1956 | Similar size (811 vs 792 sqft); Similar age (1956 vs 1952); Similar lot size (6,650 vs 6,600 sqft)
    $270,000
  • 533 Ledochowski St Lemont, IL 60439
    864 sqft | $243/sqft | built 1949 | 9% larger (864 vs 792 sqft); Similar age (1949 vs 1952); Similar lot size (6,600 vs 6,600 sqft)
    $210,000
  • 700 Warner Ave Lemont, IL 60439
    875 sqft | $320/sqft | built 1957 | 10% larger (875 vs 792 sqft); Similar age (1957 vs 1952); Similar lot size (6,609 vs 6,600 sqft)
    $280,000
  • 409 Singer Ave Lemont, IL 60439
    864 sqft | $324/sqft | built 1942 | 9% larger (864 vs 792 sqft); Similar lot size (6,636 vs 6,600 sqft); Same quality (Average)
    $280,010

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 17.1% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$240,000+$35,020+17.1%
2025$204,980−$15,020−6.8%
2024$220,000$00.0%
2023$220,000+$42,430+23.9%
2022$177,570$00.0%
2021$177,570$00.0%
2020$177,570——
6-year total+$62,430+35.2%