Cook County Value

1122 Sheridan Rd, Wilmette, IL 60091

5 bed / 3 bath, 3,944 sqft, built 1921, in New Trier. Assessor market value for 2026: $2,020,000.

Cook County account 05274080060000

Assessor market value
$2,020,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,944 sqft
$512 per sqft
Year built
1921
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 $2,020,000 in 2025 to $2,020,000 in 2026.
  • Assessor market value per square footThe current public record shows about $512 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.

  • 735 Chestnut St, Wilmette, IL 60091
    3,984 sqft | $521/sqft | built 1920 | Similar size (3,984 vs 3,944 sqft); Similar age (1920 vs 1921); Similar lot size (15,359 vs 15,000 sqft)
    $2,076,830
  • 1200 Elmwood Ave, Wilmette, IL 60091
    4,056 sqft | $512/sqft | built 1918 | Similar size (4,056 vs 3,944 sqft); Similar age (1918 vs 1921); Similar lot size (13,950 vs 15,000 sqft)
    $2,076,420
  • 1321 Chestnut Ave, Wilmette, IL 60091
    3,752 sqft | $570/sqft | built 1914 | Similar size (3,752 vs 3,944 sqft); Similar lot size (15,840 vs 15,000 sqft); Same quality (Average)
    $2,137,540
  • 1049 Chestnut Ave, Wilmette, IL 60091
    3,728 sqft | $547/sqft | built 1921 | 6% smaller (3,728 vs 3,944 sqft); Built same year (1921); Lot 12% smaller (13,275 vs 15,000 sqft)
    $2,040,440
  • 1210 Sheridan Rd, Wilmette, IL 60091
    3,968 sqft | $467/sqft | built 1923 | Similar size (3,968 vs 3,944 sqft); Similar age (1923 vs 1921); Lot 15% smaller (12,707 vs 15,000 sqft)
    $1,854,550

Recent comparable sales

Sales selected by similarity to the subject property.

  • 108 17th St, Wilmette, IL 60091
    June-29-2026 | 3,493 sqft | $417/sqft | built 1941 | 11% size difference (3,493 sqft); Sold after the valuation date; Within 1 bedroom (4 vs 5)
    $1,457,000
  • 230 Greenleaf Ave, Wilmette, IL 60091
    3,489 sqft | $682/sqft | built 1925 | 12% size difference (3,489 sqft); Moderate age difference (4 years newer); Same beds (5)
    $2,380,000
  • 533 Maple Ave, Wilmette, IL 60091
    3,584 sqft | $307/sqft | built 1931 | 9% size difference (3,584 sqft); Moderate age difference (10 years newer); Within 1 bedroom (6 vs 5)
    $1,100,000

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$2,020,000$00.0%
2025$2,020,000+$450,000+28.7%
2024$1,570,000$00.0%
2023$1,570,000$00.0%
2022$1,570,000+$418,580+36.4%
2021$1,151,420+$100.0%
2020$1,151,410——
6-year total+$868,590+75.4%