Cook County Value

8221 Knollwood Dr Palos Park, IL 60464

4 bed / 2 bath, 2,175 sqft, built 1955, in Palos. Assessor market value for 2026: $590,000.

Cook County account 23262020260000

Assessor market value
$590,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,175 sqft
$271 per sqft
Year built
1955
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 55.3% from $380,000 in 2025 to $590,000 in 2026.
  • Assessor market value per square footThe current public record shows about $271 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.

  • 8506 119th Pl Palos Park, IL 60464
    2,101 sqft | $248/sqft | built 1957 | Similar size (2,101 vs 2,175 sqft); Similar age (1957 vs 1955); Similar lot size (37,713 vs 38,394 sqft)
    $520,000
  • 8200 Kimber Ln Palos Park, IL 60464
    2,190 sqft | $224/sqft | built 1956 | Similar size (2,190 vs 2,175 sqft); Similar age (1956 vs 1955); Similar lot size (40,082 vs 38,394 sqft)
    $490,000
  • 12700 S 83rd Ct Palos Park, IL 60464
    2,049 sqft | $254/sqft | built 1955 | 6% smaller (2,049 vs 2,175 sqft); Built same year (1955); Similar lot size (37,461 vs 38,394 sqft)
    $520,000
  • 11908 Laurie Ave Palos Park, IL 60464
    2,265 sqft | $238/sqft | built 1957 | Similar size (2,265 vs 2,175 sqft); Similar age (1957 vs 1955); Similar lot size (39,310 vs 38,394 sqft)
    $540,000
  • 11919 S 88th Ave Palos Park, IL 60464
    2,071 sqft | $307/sqft | built 1960 | Similar size (2,071 vs 2,175 sqft); Similar age (1960 vs 1955); Similar lot size (39,310 vs 38,394 sqft)
    $636,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 12511 S Roma Rd Palos Park, IL 60464
    2,457 sqft | $273/sqft | built 1955 | 13% size difference (2,457 sqft); Similar age (1955); Same beds (4)
    $670,000

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 55.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$590,000+$210,000+55.3%
2025$380,000$00.0%
2024$380,000$00.0%
2023$380,000+$65,990+21.0%
2022$314,010−$45,570−12.7%
2021$359,580$00.0%
2020$359,580——
6-year total+$230,420+64.1%