Cook County Value

11700 Walker Rd Lemont, IL 60439

4 bed / 2 bath, 2,049 sqft, built 1975, in Lemont. Assessor market value for 2026: $570,000.

Cook County account 22214050060000

Assessor market value
$570,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,049 sqft
$278 per sqft
Year built
1975
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 29.5% from $440,000 in 2025 to $570,000 in 2026.
  • Assessor market value per square footThe current public record shows about $278 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 636 residential records in the same neighborhood, the average assessor market value is about $286 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +33.3% on average.

Comparable assessments

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

  • 1230 117th St Lemont, IL 60439
    2,027 sqft | $266/sqft | built 1967 | Similar size (2,027 vs 2,049 sqft); Similar lot size (26,510 vs 26,510 sqft); Same quality (Average)
    $540,000
  • 1334 Oak Ave Lemont, IL 60439
    2,145 sqft | $238/sqft | built 1978 | Similar size (2,145 vs 2,049 sqft); Similar age (1978 vs 1975); Lot 10% smaller (23,783 vs 26,510 sqft)
    $510,000
  • 11250 Dineff Rd Lemont, IL 60439
    2,112 sqft | $223/sqft | built 1963 | Similar size (2,112 vs 2,049 sqft); Similar lot size (25,831 vs 26,510 sqft); Same quality (Average)
    $470,000
  • 1220 117th St Lemont, IL 60439
    1,866 sqft | $263/sqft | built 1970 | 9% smaller (1,866 vs 2,049 sqft); Similar age (1970 vs 1975); Similar lot size (26,510 vs 26,510 sqft)
    $490,000
  • 11480 Woodlawn Ave Lemont, IL 60439
    2,103 sqft | $247/sqft | built 1969 | Similar size (2,103 vs 2,049 sqft); Lot 10% smaller (23,800 vs 26,510 sqft); Same quality (Average)
    $520,000

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 29.5% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$570,000+$130,000+29.5%
2025$440,000$00.0%
2024$440,000$00.0%
2023$440,000−$19,100−4.2%
2022$459,100$00.0%
2021$459,100$00.0%
2020$459,100——
6-year total+$110,900+24.2%