Cook County Value

418 Sara Ave Lemont, IL 60439

2 bed / 1 bath, 972 sqft, built 1986, in Lemont Assessor market value for 2026: $380,010.

Cook County account 22294230050000

Assessor market value
$380,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
972 sqft
$391 per sqft
Year built
1986
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 39.9% from $271,670 in 2025 to $380,010 in 2026.
  • Assessor market value per square footThe current public record shows about $391 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.

  • 420 Sara Ave Lemont, IL 60439
    963 sqft | $384/sqft | built 1985 | Similar size (963 vs 972 sqft); Similar age (1985 vs 1986); Similar lot size (7,700 vs 7,700 sqft)
    $370,010
  • 406 Sara Ave Lemont, IL 60439
    1,001 sqft | $360/sqft | built 1985 | Similar size (1,001 vs 972 sqft); Similar age (1985 vs 1986); Similar lot size (7,700 vs 7,700 sqft)
    $360,010
  • 404 Sara Ave Lemont, IL 60439
    1,002 sqft | $359/sqft | built 1985 | Similar size (1,002 vs 972 sqft); Similar age (1985 vs 1986); Similar lot size (7,378 vs 7,700 sqft)
    $360,000
  • 417 Glenys Dr Lemont, IL 60439
    1,028 sqft | $389/sqft | built 1984 | 6% larger (1,028 vs 972 sqft); Similar age (1984 vs 1986); Similar lot size (7,260 vs 7,700 sqft)
    $400,010
  • 408 Sara Ave Lemont, IL 60439
    1,121 sqft | $330/sqft | built 1986 | Built same year (1986); Similar lot size (7,700 vs 7,700 sqft); Same quality (Average)
    $370,010

Recent comparable sales

No usable comparable sales are available in this data snapshot.

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 39.9% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$380,010+$108,340+39.9%
2025$271,670−$14,090−4.9%
2024$285,760−$14,240−4.7%
2023$300,000+$85,720+40.0%
2022$214,280$00.0%
2021$214,280−$29,130−12.0%
2020$243,410——
6-year total+$136,600+56.1%