Cook County Value

11800 S 84th Ave Palos Park, IL 60464

3 bed / 2 bath, 3,124 sqft, built 2011, in Palos. Assessor market value for 2026: $840,000.

Cook County account 23233170040000

Assessor market value
$840,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,124 sqft
$269 per sqft
Year built
2011
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 60464 and Palos assessment pages.

Local guide: Palos Township 2026 Property Tax Appeal Guide.

Appeal deadlines

The 2026 appeal windows for Palos have closed (Assessor , Board of Review ). 2027 notices usually start in March.

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 38.4% from $607,010 in 2025 to $840,000 in 2026.
  • Assessor market value per square footThe current public record shows about $269 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Palos neighborhood and ZIP 60464.
  • Neighborhood value signalAmong 1,213 residential records in the same neighborhood, the average assessor market value is about $212 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +23.4% on average.

Comparable assessments

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

  • 8015 126th St Palos Park, IL 60464
    3,034 sqft | $237/sqft | built 2001 | Similar size (3,034 vs 3,124 sqft); Similar lot size (44,850 vs 43,323 sqft); Same quality (Average)
    $720,000
  • 8001 126th St Palos Park, IL 60464
    2,916 sqft | $254/sqft | built 2001 | 7% smaller (2,916 vs 3,124 sqft); Similar lot size (41,722 vs 43,323 sqft); Same quality (Average)
    $740,000
  • 8230 119th St Palos Park, IL 60464
    2,800 sqft | $350/sqft | built 2023 | 10% smaller (2,800 vs 3,124 sqft); Similar lot size (43,560 vs 43,323 sqft); Same quality (Average)
    $980,000
  • 8706 W 121st St Palos Park, IL 60464
    2,928 sqft | $242/sqft | built 1998 | 6% smaller (2,928 vs 3,124 sqft); Similar lot size (46,650 vs 43,323 sqft); Same quality (Average)
    $710,000
  • 12911 S Arbor Ct Palos Park, IL 60464
    3,147 sqft | $302/sqft | built 2017 | Similar size (3,147 vs 3,124 sqft); Same quality (Average); Same neighborhood
    $950,000

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. Sales data checked in this snapshot: . Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 38.4% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$840,000+$232,990+38.4%
2025$607,010$00.0%
2024$607,010−$62,990−9.4%
2023$670,000+$247,720+58.7%
2022$422,280−$32,390−7.1%
2021$454,670−$47,730−9.5%
2020$502,400——
6-year total+$337,600+67.2%