Cook County Value

548 Keepataw Dr Lemont, IL 60439

3 bed / 1 bath, 1,291 sqft, built 1977, in Lemont. Assessor market value for 2026: $430,010.

Cook County account 22292350150000

Assessor market value
$430,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,291 sqft
$333 per sqft
Year built
1977
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 26.5% from $340,000 in 2025 to $430,010 in 2026.
  • Assessor market value per square footThe current public record shows about $333 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 858 residential records in the same neighborhood, the average assessor market value is about $264 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +21.4% on average.

Comparable assessments

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

  • 1140 McCarthy Rd Lemont, IL 60439
    1,256 sqft | $326/sqft | built 1980 | Similar size (1,256 vs 1,291 sqft); Similar age (1980 vs 1977); Similar lot size (23,074 vs 22,316 sqft)
    $410,000
  • 545 4th St Lemont, IL 60439
    1,274 sqft | $322/sqft | built 1975 | Similar size (1,274 vs 1,291 sqft); Similar age (1975 vs 1977); Lot 11% smaller (19,800 vs 22,316 sqft)
    $410,000
  • 1157 McCarthy Rd Lemont, IL 60439
    1,313 sqft | $305/sqft | built 1977 | Similar size (1,313 vs 1,291 sqft); Built same year (1977); Lot 13% smaller (19,517 vs 22,316 sqft)
    $400,000
  • 608 4th St Lemont, IL 60439
    1,201 sqft | $325/sqft | built 1985 | 7% smaller (1,201 vs 1,291 sqft); Similar lot size (20,930 vs 22,316 sqft); Same quality (Average)
    $390,000
  • 565 4th St Lemont, IL 60439
    1,200 sqft | $283/sqft | built 1977 | 7% smaller (1,200 vs 1,291 sqft); Built same year (1977); Lot 17% smaller (18,538 vs 22,316 sqft)
    $340,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 545 4th St Lemont, IL 60439
    1,274 sqft | $373/sqft | built 1975 | Similar size (1,274 sqft); Similar age (1975); Same beds (3)
    $475,000
  • 1030 Crestview Dr Lemont, IL 60439
    1,364 sqft | $183/sqft | built 1966 | 6% size difference (1,364 sqft); Same beds (3)
    $250,000

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 26.5% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$430,010+$90,010+26.5%
2025$340,000$00.0%
2024$340,000$00.0%
2023$340,000+$85,310+33.5%
2022$254,690$00.0%
2021$254,690+$200.0%
2020$254,670——
6-year total+$175,340+68.8%