Cook County Value

221 16th St, Wilmette, IL 60091

2 bed / 1 bath, 1,365 sqft, built 1924, in New Trier. Assessor market value for 2026: $638,510.

Cook County account 05334030550000

In line with similar homes

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

Assessor market value$638,510
Similar homes$682,500
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
$638,510
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,365 sqft
$468 per sqft
Year built
1924
Average quality

What we found

Similar homes' assessments

Weak

2 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $500.00/sqft, which supports a value of $682,500.

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 decreased 1.8% from $650,000 in 2025 to $638,510 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 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.

  • 323 14th St, Wilmette, IL 60091
    1,386 sqft | $584/sqft | built 1925 | Similar size (1,386 vs 1,365 sqft); Similar age (1925 vs 1924); Similar lot size (5,474 vs 5,400 sqft)
    $810,010
  • 323 Oak Cir, Wilmette, IL 60091
    1,399 sqft | $500/sqft | built 1921 | Similar size (1,399 vs 1,365 sqft); Similar age (1921 vs 1924); Similar lot size (5,310 vs 5,400 sqft)
    $700,010
  • 124 16th St, Wilmette, IL 60091
    1,400 sqft | $507/sqft | built 1926 | Similar size (1,400 vs 1,365 sqft); Similar age (1926 vs 1924); Similar lot size (5,000 vs 5,400 sqft)
    $710,000
  • 207 3rd St, Wilmette, IL 60091
    1,252 sqft | $497/sqft | built 1924 | 8% smaller (1,252 vs 1,365 sqft); Built same year (1924); Similar lot size (5,344 vs 5,400 sqft)
    $622,020
  • 1002 Linden Ave, Wilmette, IL 60091
    1,345 sqft | $472/sqft | built 1914 | Similar size (1,345 vs 1,365 sqft); Similar lot size (5,000 vs 5,400 sqft); Same quality (Average)
    $634,920

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

Down 1.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$638,510−$11,490−1.8%
2025$650,000+$217,600+50.3%
2024$432,400−$47,600−9.9%
2023$480,000$00.0%
2022$480,000+$179,050+59.5%
2021$300,950+$9,160+3.1%
2020$291,790——
6-year total+$346,720+118.8%