Cook County Value

1261 State St Lemont, IL 60439

4 bed / 2 bath, 1,906 sqft, built 1967, in Lemont. Assessor market value for 2026: $530,000.

Cook County account 22322000090000

Assessor market value
$530,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,906 sqft
$278 per sqft
Year built
1967
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 changed from $327,410 in 2025 to $530,000 in 2026. A change this large often reflects new construction, a reclassification or a record correction, so check it against the county record.
  • Assessor market value per square footThe current public record shows about $278 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 278 residential records in the same neighborhood, the average assessor market value is about $298 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +39.8% on average.

Comparable assessments

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

  • 15420 127th St Lemont, IL 60439
    1,871 sqft | $283/sqft | built 1952 | Similar size (1,871 vs 1,906 sqft); Similar lot size (36,690 vs 39,291 sqft); Same quality (Average)
    $530,000
  • 15711 132nd St Lemont, IL 60439
    2,000 sqft | $275/sqft | built 1973 | Similar size (2,000 vs 1,906 sqft); Lot 11% smaller (35,109 vs 39,291 sqft); Same quality (Average)
    $550,000
  • 15511 129th St Lemont, IL 60439
    1,776 sqft | $304/sqft | built 1965 | 7% smaller (1,776 vs 1,906 sqft); Similar age (1965 vs 1967); Lot 15% smaller (33,279 vs 39,291 sqft)
    $540,000
  • 14531 Hickory Ave Lemont, IL 60439
    1,838 sqft | $305/sqft | built 1977 | Similar size (1,838 vs 1,906 sqft); Lot 15% larger (45,041 vs 39,291 sqft); Same quality (Average)
    $560,000
  • 1363 State St Lemont, IL 60439
    2,165 sqft | $282/sqft | built 1980 | 14% larger (2,165 vs 1,906 sqft); Similar lot size (39,204 vs 39,291 sqft); Same quality (Average)
    $610,000

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 61.9% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$530,000+$202,590+61.9%
2025$327,410−$18,350−5.3%
2024$345,760−$64,240−15.7%
2023$410,000+$48,260+13.3%
2022$361,740$00.0%
2021$361,740+$200.0%
2020$361,720——
6-year total+$168,280+46.5%