Cook County Value

1511 Wilmette Ave, Wilmette, IL 60091

4 bed / 1 bath, 1,680 sqft, built 1914, in New Trier. Assessor market value for 2026: $790,000.

Cook County account 05334040080000

In line with similar homes

8 similar homes nearby support a value at or above your county value.

Assessor market value$790,000
Similar homes$831,717
No gap: similar homes are at or above the county value · bars start at $0

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

Assessor market value
$790,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,680 sqft
$470 per sqft
Year built
1914
Average quality

What we found

Similar homes' assessments

Weak

3 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $495.07/sqft, which supports a value of $831,717.

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 $790,000 in 2025 to $790,000 in 2026.
  • Assessor market value per square footThe current public record shows about $470 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

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

  • 207 5th St, Wilmette, IL 60091
    1,720 sqft | $524/sqft | built 1917 | Similar size (1,720 vs 1,680 sqft); Similar age (1917 vs 1914); Similar lot size (6,800 vs 6,843 sqft)
    $901,780
  • 121 6th St, Wilmette, IL 60091
    1,730 sqft | $535/sqft | built 1914 | Similar size (1,730 vs 1,680 sqft); Built same year (1914); Similar lot size (6,588 vs 6,843 sqft)
    $925,480
  • 1638 Washington Ave, Wilmette, IL 60091
    1,648 sqft | $473/sqft | built 1915 | Similar size (1,648 vs 1,680 sqft); Similar age (1915 vs 1914); Similar lot size (7,440 vs 6,843 sqft)
    $780,000
  • 840 Park Ave, Wilmette, IL 60091
    1,608 sqft | $495/sqft | built 1915 | Similar size (1,608 vs 1,680 sqft); Similar age (1915 vs 1914); Similar lot size (6,975 vs 6,843 sqft)
    $796,080
  • 313 Park Ave, Wilmette, IL 60091
    1,702 sqft | $516/sqft | built 1924 | Similar size (1,702 vs 1,680 sqft); Similar lot size (6,635 vs 6,843 sqft); Same quality (Average)
    $879,080

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$790,000$00.0%
2025$790,000+$210,000+36.2%
2024$580,000$00.0%
2023$580,000$00.0%
2022$580,000+$185,470+47.0%
2021$394,530$00.0%
2020$394,530——
6-year total+$395,470+100.2%