Cook County Value

525 Brier St Kenilworth, IL 60043

4 bed / 2 bath, 2,259 sqft, built 1926, in New Trier. Assessor market value for 2026: $1,018,790.

Cook County account 05282070100000

Assessor market value
$1,018,790
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,259 sqft
$451 per sqft
Year built
1926
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 60043 and New Trier assessment pages.

Local guide: New Trier Township 2026 Property Tax Appeal Guide.

Appeal deadlines

The 2026 appeal windows for New Trier 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 decreased 17.8% from $1,238,950 in 2025 to $1,018,790 in 2026.
  • Assessor market value per square footThe current public record shows about $451 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the New Trier neighborhood and ZIP 60043.
  • Neighborhood value signalAmong 1,584 residential records in the same neighborhood, the average assessor market value is about $440 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -3.9% on average.

Comparable assessments

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

  • 533 Brier St Kenilworth, IL 60043
    2,316 sqft | $538/sqft | built 1927 | Similar size (2,316 vs 2,259 sqft); Similar age (1927 vs 1926); Similar lot size (5,625 vs 5,750 sqft)
    $1,246,470
  • 539 Brier St Kenilworth, IL 60043
    2,322 sqft | $525/sqft | built 1926 | Similar size (2,322 vs 2,259 sqft); Built same year (1926); Similar lot size (5,625 vs 5,750 sqft)
    $1,220,000
  • 620 Roger Ave Kenilworth, IL 60043
    2,324 sqft | $450/sqft | built 1922 | Similar size (2,324 vs 2,259 sqft); Similar age (1922 vs 1926); Similar lot size (5,856 vs 5,750 sqft)
    $1,044,950
  • 703 Brier St Kenilworth, IL 60043
    2,232 sqft | $520/sqft | built 1929 | Similar size (2,232 vs 2,259 sqft); Similar age (1929 vs 1926); Similar lot size (5,907 vs 5,750 sqft)
    $1,160,000
  • 705 Roger Ave Kenilworth, IL 60043
    2,182 sqft | $449/sqft | built 1927 | Similar size (2,182 vs 2,259 sqft); Similar age (1927 vs 1926); Similar lot size (6,040 vs 5,750 sqft)
    $978,800

Recent comparable sales

Sales selected by similarity to the subject property.

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

Down 17.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,018,790−$220,160−17.8%
2025$1,238,950+$496,100+66.8%
2024$742,850$00.0%
2023$742,850$00.0%
2022$742,850+$152,120+25.8%
2021$590,730+$100.0%
2020$590,720——
6-year total+$428,070+72.5%