Cook County Value

540 Houston St Lemont, IL 60439

3 bed / 1 bath, 1,455 sqft, built 1970, in Lemont. Assessor market value for 2026: $380,000.

Cook County account 22292100170000

Assessor market value
$380,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,455 sqft
$261 per sqft
Year built
1970
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 22.6% from $310,000 in 2025 to $380,000 in 2026.
  • Assessor market value per square footThe current public record shows about $261 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

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

  • 807 McCarthy Rd Lemont, IL 60439
    1,455 sqft | $247/sqft | built 1966 | Similar size (1,455 vs 1,455 sqft); Similar age (1966 vs 1970); Similar lot size (6,000 vs 5,985 sqft)
    $360,000
  • 534 Houston St Lemont, IL 60439
    1,504 sqft | $246/sqft | built 1967 | Similar size (1,504 vs 1,455 sqft); Similar age (1967 vs 1970); Similar lot size (5,985 vs 5,985 sqft)
    $370,000
  • 722 McCarthy St Lemont, IL 60439
    1,387 sqft | $281/sqft | built 1975 | Similar size (1,387 vs 1,455 sqft); Similar age (1975 vs 1970); Similar lot size (5,985 vs 5,985 sqft)
    $390,000
  • 712 East St Lemont, IL 60439
    1,500 sqft | $227/sqft | built 1974 | Similar size (1,500 vs 1,455 sqft); Similar age (1974 vs 1970); Similar lot size (6,240 vs 5,985 sqft)
    $340,000
  • 602 Houston St Lemont, IL 60439
    1,414 sqft | $262/sqft | built 1963 | Similar size (1,414 vs 1,455 sqft); Similar lot size (5,985 vs 5,985 sqft); Same quality (Average)
    $370,000

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 22.6% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$380,000+$70,000+22.6%
2025$310,000$00.0%
2024$310,000$00.0%
2023$310,000+$108,380+53.8%
2022$201,620$00.0%
2021$201,620+$200.0%
2020$201,600——
6-year total+$178,400+88.5%