Cook County Value

108 Garrison Ave, Wilmette, IL 60091

4 bed / 1 bath, 1,835 sqft, built 1937, in New Trier. Assessor market value for 2026: $880,000.

Cook County account 05353090030000

Assessor market value
$880,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,835 sqft
$480 per sqft
Year built
1937
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 stayed about the same, from $880,000 in 2025 to $880,000 in 2026.
  • Assessor market value per square footThe current public record shows about $480 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 1,671 residential records in the same neighborhood, the average assessor market value is about $458 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.4% on average.

Comparable assessments

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

  • 1055 Linden Ave, Wilmette, IL 60091
    1,853 sqft | $464/sqft | built 1938 | Similar size (1,853 vs 1,835 sqft); Similar age (1938 vs 1937); Lot 10% smaller (4,661 vs 5,200 sqft)
    $860,000
  • 101 15th St, Wilmette, IL 60091
    1,838 sqft | $396/sqft | built 1938 | Similar size (1,838 vs 1,835 sqft); Similar age (1938 vs 1937); Lot 17% smaller (4,296 vs 5,200 sqft)
    $727,600
  • 327 14th St, Wilmette, IL 60091
    1,885 sqft | $440/sqft | built 1923 | Similar size (1,885 vs 1,835 sqft); Similar lot size (5,474 vs 5,200 sqft); Same quality (Average)
    $830,010
  • 322 Oak Cir, Wilmette, IL 60091
    1,741 sqft | $476/sqft | built 1924 | 5% smaller (1,741 vs 1,835 sqft); Similar lot size (5,184 vs 5,200 sqft); Same quality (Average)
    $828,670
  • 1512 Maple Ave, Wilmette, IL 60091
    1,894 sqft | $406/sqft | built 1928 | Similar size (1,894 vs 1,835 sqft); Similar lot size (5,670 vs 5,200 sqft); Same quality (Average)
    $769,210

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

No change in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$880,000$00.0%
2025$880,000+$318,380+56.7%
2024$561,620$00.0%
2023$561,620$00.0%
2022$561,620+$116,280+26.1%
2021$445,340$00.0%
2020$445,340——
6-year total+$434,660+97.6%