Cook County Value

461 5th St Lemont, IL 60439

4 bed / 1 bath, 1,435 sqft, built 1975, in Lemont. Assessor market value for 2026: $370,000.

Cook County account 22281020080000

Assessor market value
$370,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,435 sqft
$258 per sqft
Year built
1975
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 15.6% from $320,000 in 2025 to $370,000 in 2026.
  • Assessor market value per square footThe current public record shows about $258 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

Similar public appraisal records selected for this property's equity comparison.

  • 471 5th St Lemont, IL 60439
    1,434 sqft | $237/sqft | built 1975 | Similar size (1,434 vs 1,435 sqft); Built same year (1975); Similar lot size (19,734 vs 20,297 sqft)
    $340,000
  • 640 4th St Lemont, IL 60439
    1,434 sqft | $321/sqft | built 1985 | Similar size (1,434 vs 1,435 sqft); Similar lot size (20,930 vs 20,297 sqft); Same quality (Average)
    $460,000
  • 648 4th St Lemont, IL 60439
    1,449 sqft | $311/sqft | built 1985 | Similar size (1,449 vs 1,435 sqft); Similar lot size (20,930 vs 20,297 sqft); Same quality (Average)
    $450,000
  • 632 4th St Lemont, IL 60439
    1,395 sqft | $315/sqft | built 1985 | Similar size (1,395 vs 1,435 sqft); Similar lot size (20,930 vs 20,297 sqft); Same quality (Average)
    $440,000
  • 819 Houston St Lemont, IL 60439
    1,416 sqft | $297/sqft | built 1977 | Similar size (1,416 vs 1,435 sqft); Similar age (1977 vs 1975); Same quality (Average)
    $420,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 545 4th St Lemont, IL 60439
    1,274 sqft | $373/sqft | built 1975 | 11% size difference (1,274 sqft); Similar age (1975); Within 1 bedroom (3 vs 4)
    $475,000
  • 1030 Crestview Dr Lemont, IL 60439
    1,364 sqft | $183/sqft | built 1966 | Similar size (1,364 sqft); Moderate age difference (9 years older); Within 1 bedroom (3 vs 4)
    $250,000

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 15.6% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$370,000+$50,000+15.6%
2025$320,000$00.0%
2024$320,000$00.0%
2023$320,000+$112,370+54.1%
2022$207,630$00.0%
2021$207,630$00.0%
2020$207,630——
6-year total+$162,370+78.2%