Cook County Value

621 Summit St Barrington, IL 60010

3 bed / 2 bath, 3,398 sqft, built 2009, in Barrington Assessor market value for 2025: $1,030,000.

Cook County account 01012140060000

Assessor market value
$1,030,000
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,398 sqft
$303 per sqft
Year built
2009
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 $1,030,000 in 2024 to $1,030,000 in 2025.
  • Assessor market value per square footThe current public record shows about $303 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 921 residential records in the same neighborhood, the average assessor market value is about $305 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.

  • 618 S Cook St Barrington, IL 60010
    3,243 sqft | $308/sqft | built 2000 | Similar size (3,243 vs 3,398 sqft); Similar lot size (8,712 vs 9,550 sqft); Same quality (Average)
    $1,000,000
  • 523 S Summit St Barrington, IL 60010
    3,818 sqft | $288/sqft | built 2008 | 12% larger (3,818 vs 3,398 sqft); Similar age (2008 vs 2009); Similar lot size (9,950 vs 9,550 sqft)
    $1,100,000
  • 209 Monument Ave Barrington, IL 60010
    3,533 sqft | $385/sqft | built 2012 | Similar size (3,533 vs 3,398 sqft); Similar age (2012 vs 2009); Same quality (Average)
    $1,360,000
  • 308 S Cook St Barrington, IL 60010
    3,965 sqft | $293/sqft | built 2007 | Similar age (2007 vs 2009); Similar lot size (8,747 vs 9,550 sqft); Same quality (Average)
    $1,160,000
  • 729 Summit St Barrington, IL 60010
    3,873 sqft | $301/sqft | built 2009 | 14% larger (3,873 vs 3,398 sqft); Built same year (2009); Lot 18% larger (11,250 vs 9,550 sqft)
    $1,165,570

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: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 24.1% in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$1,030,000+$199,850+24.1%
2024$830,150$00.0%
2023$830,150−$99,850−10.7%
2022$930,000+$276,890+42.4%
2021$653,110+$200.0%
2020$653,090——
5-year total+$376,910+57.7%