Cook County Value

700 Kettering Ln Lemont, IL 60439

3 bed / 2 bath, 1,602 sqft, built 1966, in Lemont. Assessor market value for 2026: $410,000.

Cook County account 22291000210000

Assessor market value
$410,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,602 sqft
$256 per sqft
Year built
1966
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 20.6% from $340,000 in 2025 to $410,000 in 2026.
  • Assessor market value per square footThe current public record shows about $256 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.

  • 6 Norton Dr Lemont, IL 60439
    1,536 sqft | $273/sqft | built 1960 | Similar size (1,536 vs 1,602 sqft); Similar lot size (15,982 vs 15,650 sqft); Same quality (Average)
    $420,000
  • 720 Kettering Ln Lemont, IL 60439
    1,680 sqft | $280/sqft | built 1969 | Similar size (1,680 vs 1,602 sqft); Similar age (1969 vs 1966); Lot 14% smaller (13,500 vs 15,650 sqft)
    $470,010
  • 1010 State St Lemont, IL 60439
    1,554 sqft | $232/sqft | built 1957 | Similar size (1,554 vs 1,602 sqft); Lot 15% smaller (13,272 vs 15,650 sqft); Same quality (Average)
    $360,000
  • 330 Freehauf St Lemont, IL 60439
    1,461 sqft | $253/sqft | built 1951 | 9% smaller (1,461 vs 1,602 sqft); Similar lot size (14,758 vs 15,650 sqft); Same quality (Average)
    $370,000
  • 17 W Division St Lemont, IL 60439
    1,421 sqft | $267/sqft | built 1960 | 11% smaller (1,421 vs 1,602 sqft); Lot 12% larger (17,500 vs 15,650 sqft); Same quality (Average)
    $380,010

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 20.6% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$410,000+$70,000+20.6%
2025$340,000$00.0%
2024$340,000$00.0%
2023$340,000+$132,270+63.7%
2022$207,730$00.0%
2021$207,730+$100.0%
2020$207,720——
6-year total+$202,280+97.4%