Cook County Value

11947 Pine St Lemont, IL 60439

3 bed / 1 bath, 2,191 sqft, built 1973, in Lemont. Assessor market value for 2026: $651,400.

Cook County account 22271000930000

Assessor market value
$651,400
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,191 sqft
$297 per sqft
Year built
1973
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 41.2% from $461,400 in 2025 to $651,400 in 2026.
  • Assessor market value per square footThe current public record shows about $297 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 636 residential records in the same neighborhood, the average assessor market value is about $286 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +33.3% on average.

Comparable assessments

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

  • 12196 Pine Ave Lemont, IL 60439
    2,225 sqft | $256/sqft | built 1980 | Similar size (2,225 vs 2,191 sqft); Similar lot size (27,987 vs 30,432 sqft); Same quality (Average)
    $570,000
  • 11700 Walker Rd Lemont, IL 60439
    2,049 sqft | $278/sqft | built 1975 | 6% smaller (2,049 vs 2,191 sqft); Similar age (1975 vs 1973); Lot 13% smaller (26,510 vs 30,432 sqft)
    $570,000
  • 11250 Dineff Rd Lemont, IL 60439
    2,112 sqft | $223/sqft | built 1963 | Similar size (2,112 vs 2,191 sqft); Lot 15% smaller (25,831 vs 30,432 sqft); Same quality (Average)
    $470,000
  • 12001 Pine Ct Lemont, IL 60439
    1,726 sqft | $362/sqft | built 1974 | Similar age (1974 vs 1973); Similar lot size (30,862 vs 30,432 sqft); Same quality (Average)
    $624,800
  • 11480 Woodlawn Ave Lemont, IL 60439
    2,103 sqft | $247/sqft | built 1969 | Similar size (2,103 vs 2,191 sqft); Similar age (1969 vs 1973); Same quality (Average)
    $520,000

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 41.2% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$651,400+$190,000+41.2%
2025$461,400+$71,400+18.3%
2024$390,000$00.0%
2023$390,000+$104,650+36.7%
2022$285,350$00.0%
2021$285,350+$100.0%
2020$285,340——
6-year total+$366,060+128.3%