Cook County Value

Unknown Unknown

3 bed / 1 bath, 1,631 sqft, built 1981, in Lemont. Assessor market value for 2026: $490,000.

Cook County account 22273001120000

Assessor market value
$490,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,631 sqft
$300 per sqft
Year built
1981
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 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 25.7% from $389,700 in 2025 to $490,000 in 2026.
  • Assessor market value per square footThe current public record shows about $300 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Lemont neighborhood.
  • Neighborhood value signalAmong 2,806 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 +30.4% on average.

Comparable assessments

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

  • 14941 131st St Lemont, IL 60439
    1,588 sqft | $302/sqft | built 1979 | Similar size (1,588 vs 1,631 sqft); Similar age (1979 vs 1981); Similar lot size (44,200 vs 42,980 sqft)
    $480,000
  • 12681 S Archer Ave Lemont, IL 60439
    1,583 sqft | $316/sqft | built 1975 | Similar size (1,583 vs 1,631 sqft); Similar lot size (44,344 vs 42,980 sqft); Same quality (Average)
    $500,000
  • 13304 Baltic Cir Lemont, IL 60439
    1,575 sqft | $311/sqft | built 1986 | Similar size (1,575 vs 1,631 sqft); Similar age (1986 vs 1981); Similar lot size (40,075 vs 42,980 sqft)
    $490,000
  • 12 Valley View Dr Lemont, IL 60439
    1,739 sqft | $293/sqft | built 1988 | 7% larger (1,739 vs 1,631 sqft); Similar lot size (45,433 vs 42,980 sqft); Same quality (Average)
    $510,000
  • 7 Longwood Way Lemont, IL 60439
    1,590 sqft | $321/sqft | built 1987 | Similar size (1,590 vs 1,631 sqft); Lot 14% larger (48,787 vs 42,980 sqft); Same quality (Average)
    $510,000

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. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 25.7% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$490,000+$100,300+25.7%
2025$389,700$00.0%
2024$389,700−$84,670−17.8%
2023$474,370+$159,100+50.5%
2022$315,270$00.0%
2021$315,270+$100.0%
2020$315,260——
6-year total+$174,740+55.4%