Cook County Value

350 Oak Cir, Wilmette, IL 60091

4 bed / 2 bath, 1,910 sqft, built 1925, in New Trier. Assessor market value for 2026: $744,420.

Cook County account 05341140010000

In line with similar homes

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

Assessor market value$744,420
Similar homes$854,381
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
$744,420
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,910 sqft
$390 per sqft
Year built
1925
Average quality

What we found

Similar homes' assessments

Weak

0 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $447.32/sqft, which supports a value of $854,381.

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 $744,420 in 2025 to $744,420 in 2026.
  • Assessor market value per square footThe current public record shows about $390 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.

  • 344 Oak Cir, Wilmette, IL 60091
    1,820 sqft | $401/sqft | built 1923 | Similar size (1,820 vs 1,910 sqft); Similar age (1923 vs 1925); Similar lot size (4,108 vs 3,800 sqft)
    $730,000
  • 423 Prairie Ave, Wilmette, IL 60091
    1,886 sqft | $447/sqft | built 1925 | Similar size (1,886 vs 1,910 sqft); Built same year (1925); Lot 16% larger (4,400 vs 3,800 sqft)
    $843,650
  • 332 Oak Cir, Wilmette, IL 60091
    1,949 sqft | $436/sqft | built 1924 | Similar size (1,949 vs 1,910 sqft); Similar age (1924 vs 1925); Lot 14% larger (4,319 vs 3,800 sqft)
    $850,000
  • 425 Prairie Ave, Wilmette, IL 60091
    1,852 sqft | $448/sqft | built 1925 | Similar size (1,852 vs 1,910 sqft); Built same year (1925); Lot 16% larger (4,400 vs 3,800 sqft)
    $830,000
  • 101 15th St, Wilmette, IL 60091
    1,838 sqft | $396/sqft | built 1938 | Similar size (1,838 vs 1,910 sqft); Lot 13% larger (4,296 vs 3,800 sqft); Same quality (Average)
    $727,600

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$744,420$00.0%
2025$744,420+$131,290+21.4%
2024$613,130$00.0%
2023$613,130−$23,780−3.7%
2022$636,910+$151,410+31.2%
2021$485,500$00.0%
2020$485,500——
6-year total+$258,920+53.3%