Cook County Value

13211 Archer Ave Lemont, IL 60439

4 bed / 2 bath, 1,728 sqft, built 1971, in Lemont Assessor market value for 2026: $630,000.

Cook County account 22324010050000

Assessor market value
$630,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,728 sqft
$365 per sqft
Year built
1971
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 50.0% from $420,000 in 2025 to $630,000 in 2026.
  • Assessor market value per square footThe current public record shows about $365 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

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

  • 13241 Oak Ln Lemont, IL 60439
    1,507 sqft | $358/sqft | built 1977 | 13% smaller (1,507 vs 1,728 sqft); Lot 14% smaller (75,184 vs 87,120 sqft); Same quality (Average)
    $540,000
  • 14522 Hickory Ave Lemont, IL 60439
    1,582 sqft | $354/sqft | built 1961 | 8% smaller (1,582 vs 1,728 sqft); Same quality (Average); Same bed/bath (4/2)
    $560,000
  • 1358 Gordon Ln Lemont, IL 60439
    1,769 sqft | $294/sqft | built 1985 | Similar size (1,769 vs 1,728 sqft); Same quality (Average); Same neighborhood
    $520,000
  • 13470 Maple Ave Lemont, IL 60439
    1,579 sqft | $336/sqft | built 1969 | 9% smaller (1,579 vs 1,728 sqft); Similar age (1969 vs 1971); Same quality (Average)
    $530,000
  • 15632 132nd St Lemont, IL 60439
    1,546 sqft | $291/sqft | built 1976 | 10% smaller (1,546 vs 1,728 sqft); Similar age (1976 vs 1971); Same quality (Average)
    $450,000

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 50.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$630,000+$210,000+50.0%
2025$420,000$00.0%
2024$420,000$00.0%
2023$420,000+$62,100+17.4%
2022$357,900$00.0%
2021$357,900−$21,280−5.6%
2020$379,180——
6-year total+$250,820+66.1%