Cook County Value

11801 S 85th Ave Palos Park, IL 60464

8 bed / 2 bath, 3,970 sqft, built 1984, in Palos. Assessor market value for 2026: $770,000.

Cook County account 23233160020000

Assessor market value
$770,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,970 sqft
$194 per sqft
Year built
1984
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 28.9% from $597,460 in 2025 to $770,000 in 2026.
  • Assessor market value per square footThe current public record shows about $194 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.

  • 8608 W 120th St Palos Park, IL 60464
    3,695 sqft | $187/sqft | built 1977 | 7% smaller (3,695 vs 3,970 sqft); Similar lot size (39,310 vs 38,425 sqft); Same quality (Average)
    $690,000
  • 11743 Walnut Ridge Dr Palos Park, IL 60464
    3,469 sqft | $227/sqft | built 1982 | 13% smaller (3,469 vs 3,970 sqft); Similar age (1982 vs 1984); Similar lot size (38,775 vs 38,425 sqft)
    $786,000
  • 8002 127th St Palos Park, IL 60464
    4,163 sqft | $195/sqft | built 1985 | Similar size (4,163 vs 3,970 sqft); Similar age (1985 vs 1984); Similar lot size (41,722 vs 38,425 sqft)
    $810,000
  • 8414 119th St Palos Park, IL 60464
    3,400 sqft | $203/sqft | built 1979 | 14% smaller (3,400 vs 3,970 sqft); Similar age (1979 vs 1984); Similar lot size (38,557 vs 38,425 sqft)
    $690,000
  • 11700 Holmes Ave Palos Park, IL 60464
    3,440 sqft | $224/sqft | built 1988 | 13% smaller (3,440 vs 3,970 sqft); Similar age (1988 vs 1984); Similar lot size (40,280 vs 38,425 sqft)
    $770,000

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 28.9% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$770,000+$172,540+28.9%
2025$597,460$00.0%
2024$597,460−$62,540−9.5%
2023$660,000+$129,380+24.4%
2022$530,620$00.0%
2021$530,620−$32,840−5.8%
2020$563,460——
6-year total+$206,540+36.7%