Cook County Value

2511 Thornwood Ave, Wilmette, IL 60091

4 bed / 2 bath, 1,665 sqft, built 1956, in New Trier. Assessor market value for 2026: $780,000.

Cook County account 05294100190000

Likely too high

about $147,000

8 similar homes nearby point to a value about $147,000 lower than yours.

Assessor market value$780,000
Similar homes$632,683
$147,317 gap · bars start at $0

How sure: High · 8 similar homes (5 shown below) · public records only

Assessor market value
$780,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,665 sqft
$468 per sqft
Year built
1956
Average quality

Why we think so

Similar homes' assessments

Strong

7 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $379.99/sqft, which supports a value of $632,683.

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 $780,000 in 2025 to $780,000 in 2026.
  • Assessor market value per square footThe current public record shows about $468 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 724 residential records in the same neighborhood, the average assessor market value is about $416 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -3.4% on average.

Comparable assessments

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

  • 335 Glendale Ave, Winnetka, IL 60093
    1,660 sqft | $451/sqft | built 1949 | Similar size (1,660 vs 1,665 sqft); Similar lot size (10,032 vs 10,206 sqft); Same quality (Average)
    $748,610
  • 907 Pawnee Rd, Wilmette, IL 60091
    1,638 sqft | $360/sqft | built 1951 | Similar size (1,638 vs 1,665 sqft); Similar age (1951 vs 1956); Similar lot size (10,500 vs 10,206 sqft)
    $590,000
  • 909 Illinois Rd, Wilmette, IL 60091
    1,579 sqft | $380/sqft | built 1957 | 5% smaller (1,579 vs 1,665 sqft); Similar age (1957 vs 1956); Similar lot size (11,139 vs 10,206 sqft)
    $600,000
  • 925 Pontiac Rd, Wilmette, IL 60091
    1,645 sqft | $345/sqft | built 1957 | Similar size (1,645 vs 1,665 sqft); Similar age (1957 vs 1956); Lot 18% smaller (8,410 vs 10,206 sqft)
    $567,110
  • 1120 Virginia Ln, Wilmette, IL 60091
    1,882 sqft | $421/sqft | built 1954 | 13% larger (1,882 vs 1,665 sqft); Similar age (1954 vs 1956); Similar lot size (10,766 vs 10,206 sqft)
    $791,590

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$780,000$00.0%
2025$780,000+$160,000+25.8%
2024$620,000——
2-year total+$160,000+25.8%