Cook County Value

3533 Forest Ave, Wilmette, IL 60091

5 bed / 3 bath, 2,523 sqft, built 1939, in New Trier. Assessor market value for 2026: $860,000.

Cook County account 05303140020000

Likely too high

about $112,000

8 similar homes nearby point to a value about $112,000 lower than yours.

Assessor market value$860,000
Similar homes$747,564
$112,436 gap · bars start at $0

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

Assessor market value
$860,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,523 sqft
$341 per sqft
Year built
1939
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 $296.30/sqft, which supports a value of $747,564.

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 $860,000 in 2025 to $860,000 in 2026.
  • Assessor market value per square footThe current public record shows about $341 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 1,980 residential records in the same neighborhood, the average assessor market value is about $334 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -1.5% on average.

Comparable assessments

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

  • 3510 Forest Ave, Wilmette, IL 60091
    2,505 sqft | $290/sqft | built 1942 | Similar size (2,505 vs 2,523 sqft); Similar age (1942 vs 1939); Similar lot size (7,920 vs 8,546 sqft)
    $726,670
  • 1563 Mt Pleasant St Northfield, IL 60093
    2,492 sqft | $262/sqft | built 1942 | Similar size (2,492 vs 2,523 sqft); Similar age (1942 vs 1939); Lot 10% smaller (7,688 vs 8,546 sqft)
    $652,310
  • 3840 Lake Ave, Wilmette, IL 60091
    2,565 sqft | $296/sqft | built 1948 | Similar size (2,565 vs 2,523 sqft); Lot 13% larger (9,660 vs 8,546 sqft); Same quality (Average)
    $760,000
  • 635 Indian Rd, Glenview, IL 60025
    2,646 sqft | $268/sqft | built 1941 | Similar size (2,646 vs 2,523 sqft); Similar age (1941 vs 1939); Lot 15% smaller (7,260 vs 8,546 sqft)
    $710,000
  • 730 Forest Rd, Glenview, IL 60025
    2,586 sqft | $297/sqft | built 1949 | Similar size (2,586 vs 2,523 sqft); Similar lot size (9,310 vs 8,546 sqft); Same quality (Average)
    $768,310

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$860,000$00.0%
2025$860,000+$250,000+41.0%
2024$610,000$00.0%
2023$610,000$00.0%
2022$610,000+$106,450+21.1%
2021$503,550+$200.0%
2020$503,530——
6-year total+$356,470+70.8%