Cook County Value

1232 Lake Ave, Wilmette, IL 60091

5 bed / 2 bath, 1,600 sqft, built 1893, in New Trier. Assessor market value for 2026: $830,000.

Cook County account 05273190170000

Assessor market value
$830,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,600 sqft
$519 per sqft
Year built
1893
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 $830,000 in 2025 to $830,000 in 2026.
  • Assessor market value per square footThe current public record shows about $519 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 809 residential records in the same neighborhood, the average assessor market value is about $540 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -3.4% on average.

Comparable assessments

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

  • 1214 Lake Ave, Wilmette, IL 60091
    1,572 sqft | $496/sqft | built 1893 | Similar size (1,572 vs 1,600 sqft); Built same year (1893); Similar lot size (7,500 vs 7,500 sqft)
    $780,000
  • 1216 Lake Ave, Wilmette, IL 60091
    1,536 sqft | $462/sqft | built 1894 | Similar size (1,536 vs 1,600 sqft); Similar age (1894 vs 1893); Similar lot size (7,500 vs 7,500 sqft)
    $710,000
  • 1326 Forest Ave, Wilmette, IL 60091
    1,626 sqft | $590/sqft | built 1893 | Similar size (1,626 vs 1,600 sqft); Built same year (1893); Lot 16% larger (8,700 vs 7,500 sqft)
    $960,000
  • 1007 13th St, Wilmette, IL 60091
    1,800 sqft | $516/sqft | built 1899 | 12% larger (1,800 vs 1,600 sqft); Similar lot size (7,500 vs 7,500 sqft); Same quality (Average)
    $929,190
  • 914 13th St, Wilmette, IL 60091
    1,624 sqft | $566/sqft | built 1896 | Similar size (1,624 vs 1,600 sqft); Similar age (1896 vs 1893); Same quality (Average)
    $920,000

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: . Showing the last prepared sales evidence while recent sales are refreshed. 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$830,000$00.0%
2025$830,000+$290,000+53.7%
2024$540,000$00.0%
2023$540,000$00.0%
2022$540,000−$2,730−0.5%
2021$542,730+$100.0%
2020$542,720——
6-year total+$287,280+52.9%