Cook County Value

1026 Walter St Lemont, IL 60439

4 bed / 2 bath, 3,884 sqft, built 2001, in Lemont. Assessor market value for 2026: $972,000.

Cook County account 22293250060000

Assessor market value
$972,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,884 sqft
$250 per sqft
Year built
2001
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 38.7% from $700,840 in 2025 to $972,000 in 2026.
  • Assessor market value per square footThe current public record shows about $250 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 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

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

  • 12960 Mayfair Dr Lemont, IL 60439
    3,986 sqft | $213/sqft | built 2001 | Similar size (3,986 vs 3,884 sqft); Built same year (2001); Similar lot size (12,495 vs 11,685 sqft)
    $850,000
  • 1344 Acorn St Lemont, IL 60439
    3,901 sqft | $223/sqft | built 2001 | Similar size (3,901 vs 3,884 sqft); Built same year (2001); Lot 13% larger (13,158 vs 11,685 sqft)
    $870,010
  • 13048 Rolling Meadows Dr Lemont, IL 60439
    3,994 sqft | $215/sqft | built 2006 | Similar size (3,994 vs 3,884 sqft); Similar age (2006 vs 2001); Similar lot size (11,409 vs 11,685 sqft)
    $860,000
  • 40 Deer Ln Lemont, IL 60439
    3,889 sqft | $231/sqft | built 2005 | Similar size (3,889 vs 3,884 sqft); Similar age (2005 vs 2001); Similar lot size (12,652 vs 11,685 sqft)
    $900,000
  • 12944 Mayfair Dr Lemont, IL 60439
    3,950 sqft | $215/sqft | built 2004 | Similar size (3,950 vs 3,884 sqft); Similar age (2004 vs 2001); Similar lot size (12,553 vs 11,685 sqft)
    $850,000

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 38.7% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$972,000+$271,160+38.7%
2025$700,840−$39,160−5.3%
2024$740,000$00.0%
2023$740,000+$246,710+50.0%
2022$493,290$00.0%
2021$493,290+$100.0%
2020$493,280——
6-year total+$478,720+97.0%