Cook County Value

2318 Thornwood Ave, Wilmette, IL 60091

3 bed / 1 bath, 1,200 sqft, built 1954, in New Trier. Assessor market value for 2026: $623,760.

Cook County account 05294070450000

Assessor market value
$623,760
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,200 sqft
$520 per sqft
Year built
1954
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 $623,760 in 2025 to $623,760 in 2026.
  • Assessor market value per square footThe current public record shows about $520 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 1,584 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

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

  • 930 Hunter Rd, Wilmette, IL 60091
    1,199 sqft | $509/sqft | built 1954 | Similar size (1,199 vs 1,200 sqft); Built same year (1954); Similar lot size (6,700 vs 6,650 sqft)
    $610,000
  • 2032 Lake Ave, Wilmette, IL 60091
    1,204 sqft | $332/sqft | built 1955 | Similar size (1,204 vs 1,200 sqft); Similar age (1955 vs 1954); Similar lot size (6,500 vs 6,650 sqft)
    $400,010
  • 930 Oxford Ln, Wilmette, IL 60091
    1,212 sqft | $479/sqft | built 1956 | Similar size (1,212 vs 1,200 sqft); Similar age (1956 vs 1954); Similar lot size (6,750 vs 6,650 sqft)
    $580,000
  • 934 Amherst Ln, Wilmette, IL 60091
    1,181 sqft | $466/sqft | built 1952 | Similar size (1,181 vs 1,200 sqft); Similar age (1952 vs 1954); Similar lot size (6,700 vs 6,650 sqft)
    $550,000
  • 919 Yale Ave, Wilmette, IL 60091
    1,180 sqft | $424/sqft | built 1955 | Similar size (1,180 vs 1,200 sqft); Similar age (1955 vs 1954); Similar lot size (6,750 vs 6,650 sqft)
    $500,000

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: . 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

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$623,760$00.0%
2025$623,760+$123,760+24.8%
2024$500,000$00.0%
2023$500,000$00.0%
2022$500,000+$179,370+55.9%
2021$320,630+$100.0%
2020$320,620——
6-year total+$303,140+94.5%