Cook County Value

230 Briar Dr, Wilmette, IL 60091

3 bed / 2 bath, 1,429 sqft, built 1957, in New Trier. Assessor market value for 2026: $510,940.

Cook County account 05314220010000

Assessor market value
$510,940
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,429 sqft
$358 per sqft
Year built
1957
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 60091 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 3.6% from $530,000 in 2025 to $510,940 in 2026.
  • Assessor market value per square footThe current public record shows about $358 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 60091.
  • Neighborhood value signalAmong 1,109 residential records in the same neighborhood, the average assessor market value is about $311 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.1% on average.

Comparable assessments

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

  • 315 Kilpatrick Ave, Wilmette, IL 60091
    1,440 sqft | $362/sqft | built 1957 | Similar size (1,440 vs 1,429 sqft); Built same year (1957); Similar lot size (8,663 vs 8,758 sqft)
    $521,530
  • 3131 Hill Ln, Wilmette, IL 60091
    1,425 sqft | $386/sqft | built 1957 | Similar size (1,425 vs 1,429 sqft); Built same year (1957); Similar lot size (8,998 vs 8,758 sqft)
    $550,000
  • 305 Kilpatrick Ave, Wilmette, IL 60091
    1,440 sqft | $347/sqft | built 1959 | Similar size (1,440 vs 1,429 sqft); Similar age (1959 vs 1957); Similar lot size (8,663 vs 8,758 sqft)
    $500,000
  • 3143 Hill Ln, Wilmette, IL 60091
    1,424 sqft | $365/sqft | built 1956 | Similar size (1,424 vs 1,429 sqft); Similar age (1956 vs 1957); Similar lot size (8,998 vs 8,758 sqft)
    $520,000
  • 3139 Hill Ln, Wilmette, IL 60091
    1,417 sqft | $388/sqft | built 1958 | Similar size (1,417 vs 1,429 sqft); Similar age (1958 vs 1957); Similar lot size (8,998 vs 8,758 sqft)
    $550,000

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 3.6% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$510,940−$19,060−3.6%
2025$530,000+$60,000+12.8%
2024$470,000$00.0%
2023$470,000$00.0%
2022$470,000+$174,170+58.9%
2021$295,830$00.0%
2020$295,830——
6-year total+$215,110+72.7%