Cook County Value

436 Prairie Ave, Wilmette, IL 60091

4 bed / 2 bath, 1,956 sqft, built 1884, in New Trier. Assessor market value for 2026: $820,010.

Cook County account 05341150020000

Assessor market value
$820,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,956 sqft
$419 per sqft
Year built
1884
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 stayed about the same, from $820,010 in 2025 to $820,010 in 2026.
  • Assessor market value per square footThe current public record shows about $419 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.

  • 1603 Wilmette Ave, Wilmette, IL 60091
    1,928 sqft | $437/sqft | built 1896 | Similar size (1,928 vs 1,956 sqft); Similar lot size (6,440 vs 6,050 sqft); Same quality (Average)
    $841,880
  • 418 Park Ave, Wilmette, IL 60091
    1,940 sqft | $516/sqft | built 1898 | Similar size (1,940 vs 1,956 sqft); Similar lot size (6,400 vs 6,050 sqft); Same quality (Average)
    $1,001,850
  • 229 Wood Ct, Wilmette, IL 60091
    1,898 sqft | $429/sqft | built 1893 | Similar size (1,898 vs 1,956 sqft); Similar lot size (6,250 vs 6,050 sqft); Same quality (Average)
    $815,050
  • 157 Prairie Ave, Wilmette, IL 60091
    1,920 sqft | $515/sqft | built 1892 | Similar size (1,920 vs 1,956 sqft); Lot 11% larger (6,693 vs 6,050 sqft); Same quality (Average)
    $988,400
  • 161 Prairie Ave, Wilmette, IL 60091
    2,001 sqft | $479/sqft | built 1893 | Similar size (2,001 vs 1,956 sqft); Similar lot size (5,495 vs 6,050 sqft); Same quality (Average)
    $957,580

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$820,010$00.0%
2025$820,010+$161,490+24.5%
2024$658,520$00.0%
2023$658,520−$31,490−4.6%
2022$690,010+$112,070+19.4%
2021$577,940+$100.0%
2020$577,930——
6-year total+$242,080+41.9%