Cook County Value

16047 135th St Lemont, IL 60439

3 bed / 1 bath, 1,498 sqft, built 1954, in Lemont. Assessor market value for 2026: $430,000.

Cook County account 22314020290000

Assessor market value
$430,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,498 sqft
$287 per sqft
Year built
1954
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 22.9% from $350,000 in 2025 to $430,000 in 2026.
  • Assessor market value per square footThe current public record shows about $287 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

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

  • 13204 Archer Ave Lemont, IL 60439
    1,378 sqft | $319/sqft | built 1956 | 8% smaller (1,378 vs 1,498 sqft); Similar age (1956 vs 1954); Similar lot size (38,594 vs 36,067 sqft)
    $440,000
  • 13400 State St B Lemont, IL 60439
    1,500 sqft | $300/sqft | built 1966 | Similar size (1,500 vs 1,498 sqft); Lot 19% larger (42,950 vs 36,067 sqft); Same quality (Average)
    $450,000
  • 16119 135th St Lemont, IL 60439
    1,385 sqft | $289/sqft | built 1964 | 8% smaller (1,385 vs 1,498 sqft); Lot 13% smaller (31,485 vs 36,067 sqft); Same quality (Average)
    $400,000
  • 15401 127th St Lemont, IL 60439
    1,218 sqft | $304/sqft | built 1950 | Similar age (1950 vs 1954); Similar lot size (39,368 vs 36,067 sqft); Same quality (Average)
    $370,000
  • 16103 135th St Lemont, IL 60439
    1,427 sqft | $273/sqft | built 1955 | Similar size (1,427 vs 1,498 sqft); Similar age (1955 vs 1954); Same quality (Average)
    $390,000

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: . 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 22.9% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$430,000+$80,000+22.9%
2025$350,000$00.0%
2024$350,000$00.0%
2023$350,000+$62,840+21.9%
2022$287,160$00.0%
2021$287,160+$100.0%
2020$287,150——
6-year total+$142,850+49.7%