Cook County Value

155 Prairie Ave, Wilmette, IL 60091

4 bed / 2 bath, 1,734 sqft, built 1892, in New Trier. Assessor market value for 2026: $665,270.

Cook County account 05343080220000

Assessor market value
$665,270
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,734 sqft
$384 per sqft
Year built
1892
Average quality

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 10.1% from $740,000 in 2025 to $665,270 in 2026.
  • Assessor market value per square footThe current public record shows about $384 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

Similar public appraisal records selected for this property's equity comparison.

  • 711 Park Ave, Wilmette, IL 60091
    1,737 sqft | $524/sqft | built 1892 | Similar size (1,737 vs 1,734 sqft); Built same year (1892); Similar lot size (10,000 vs 9,431 sqft)
    $910,000
  • 1461 Wilmette Ave, Wilmette, IL 60091
    1,777 sqft | $461/sqft | built 1892 | Similar size (1,777 vs 1,734 sqft); Built same year (1892); Similar lot size (9,536 vs 9,431 sqft)
    $820,000
  • 1330 Gregory Ave, Wilmette, IL 60091
    1,829 sqft | $489/sqft | built 1893 | 6% larger (1,829 vs 1,734 sqft); Similar age (1893 vs 1892); Similar lot size (9,918 vs 9,431 sqft)
    $895,180
  • 1127 Lake Ave, Wilmette, IL 60091
    1,774 sqft | $485/sqft | built 1901 | Similar size (1,774 vs 1,734 sqft); Similar lot size (9,000 vs 9,431 sqft); Same quality (Average)
    $860,000
  • 2000 Washington Ave, Wilmette, IL 60091
    1,854 sqft | $393/sqft | built 1891 | 7% larger (1,854 vs 1,734 sqft); Similar age (1891 vs 1892); Similar lot size (8,850 vs 9,431 sqft)
    $727,960

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 10.1% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$665,270−$74,730−10.1%
2025$740,000+$91,530+14.1%
2024$648,470$00.0%
2023$648,470−$31,530−4.6%
2022$680,000+$271,890+66.6%
2021$408,110$00.0%
2020$408,110——
6-year total+$257,160+63.0%