Cook County Value

12905 Parker Rd Lemont, IL 60439

4 bed / 3 bath, 3,087 sqft, built 2005, in Lemont. Assessor market value for 2026: $860,000.

Cook County account 22342080070000

Assessor market value
$860,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,087 sqft
$279 per sqft
Year built
2005
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 59.4% from $539,480 in 2025 to $860,000 in 2026.
  • Assessor market value per square footThe current public record shows about $279 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.

  • 13180 Meadow Hill Ln Lemont, IL 60439
    3,092 sqft | $249/sqft | built 1992 | Similar size (3,092 vs 3,087 sqft); Similar lot size (29,969 vs 31,563 sqft); Same quality (Average)
    $770,000
  • 13181 Briar Patch Ln Lemont, IL 60439
    3,106 sqft | $299/sqft | built 1992 | Similar size (3,106 vs 3,087 sqft); Similar lot size (33,802 vs 31,563 sqft); Same quality (Average)
    $928,330
  • 13170 Meadow Hill Ln Lemont, IL 60439
    3,096 sqft | $284/sqft | built 1996 | Similar size (3,096 vs 3,087 sqft); Similar lot size (29,969 vs 31,563 sqft); Same quality (Average)
    $880,350
  • 13341 Fox Hill Dr Lemont, IL 60439
    3,114 sqft | $238/sqft | built 1992 | Similar size (3,114 vs 3,087 sqft); Similar lot size (32,147 vs 31,563 sqft); Same quality (Average)
    $740,000
  • 13151 Huntmaster Ln Lemont, IL 60439
    3,113 sqft | $238/sqft | built 1992 | Similar size (3,113 vs 3,087 sqft); Similar lot size (29,969 vs 31,563 sqft); Same quality (Average)
    $740,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 12655 Derry Dr Lemont, IL 60439
    June-29-2026 | 2,672 sqft | $266/sqft | built 2025 | 13% size difference (2,672 sqft); Sold after the valuation date; Within 1 bedroom (3 vs 4)
    $710,150
  • 12554 Eileen St Lemont, IL 60439
    June-29-2026 | 3,421 sqft | $272/sqft | built 2025 | 11% size difference (3,421 sqft); Sold after the valuation date; Within 1 bedroom (5 vs 4)
    $930,895

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 59.4% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$860,000+$320,520+59.4%
2025$539,480$00.0%
2024$539,480−$66,990−11.0%
2023$606,470+$211,760+53.6%
2022$394,710$00.0%
2021$394,710−$27,550−6.5%
2020$422,260——
6-year total+$437,740+103.7%