Cook County Value

225 Knox Ct Barrington, IL 60010

6 bed / 5 bath, 7,662 sqft, built 2006, in Barrington. Assessor market value for 2025: $1,700,010.

Cook County account 01131030310000

Assessor market value
$1,700,010
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
7,662 sqft
$222 per sqft
Year built
2006
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 60010 and Barrington assessment pages.

Appeal deadlines

For Barrington, appeals to the Assessor closed . Board of Review dates for Barrington 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 stayed about the same, from $1,700,010 in 2024 to $1,700,010 in 2025.
  • Assessor market value per square footThe current public record shows about $222 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Barrington neighborhood and ZIP 60010.
  • Neighborhood value signalAmong 703 residential records in the same neighborhood, the average assessor market value is about $252 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values stayed about flat on average.

Comparable assessments

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

  • 9 Morgan Ln South Barrington, IL 60010
    7,669 sqft | $237/sqft | built 1996 | Similar size (7,669 vs 7,662 sqft); Similar lot size (55,931 vs 55,321 sqft); Same quality (Average)
    $1,820,010
  • 8 Brooke Ln South Barrington, IL 60010
    8,087 sqft | $308/sqft | built 2005 | 6% larger (8,087 vs 7,662 sqft); Similar age (2005 vs 2006); Similar lot size (57,194 vs 55,321 sqft)
    $2,490,000
  • 6 Elle Ct Barrington, IL 60010
    7,854 sqft | $278/sqft | built 2003 | Similar size (7,854 vs 7,662 sqft); Similar age (2003 vs 2006); Similar lot size (57,717 vs 55,321 sqft)
    $2,180,010
  • 9 Elle Ct Barrington, IL 60010
    8,080 sqft | $293/sqft | built 2009 | 6% larger (8,080 vs 7,662 sqft); Similar age (2009 vs 2006); Similar lot size (57,281 vs 55,321 sqft)
    $2,370,010
  • 21 Brooke Ln South Barrington, IL 60010
    8,055 sqft | $280/sqft | built 2010 | 5% larger (8,055 vs 7,662 sqft); Similar age (2010 vs 2006); Similar lot size (57,151 vs 55,321 sqft)
    $2,259,010

Recent comparable sales

No usable comparable sales are available in this data snapshot.

Public appraisal comparison for 2025. 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 6.3% in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$1,700,010+$100,010+6.3%
2024$1,600,000$00.0%
2023$1,600,000$00.0%
2022$1,600,000+$319,750+25.0%
2021$1,280,250+$100.0%
2020$1,280,240——
5-year total+$419,770+32.8%