Cook County Value

929 Sheridan Rd, Wilmette, IL 60091

6 bed / 3 bath, 3,648 sqft, built 1923, in New Trier. Assessor market value for 2026: $1,600,000.

Cook County account 05261000030000

Assessor market value
$1,600,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,648 sqft
$439 per sqft
Year built
1923
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 9.1% from $1,760,010 in 2025 to $1,600,000 in 2026.
  • Assessor market value per square footThe current public record shows about $439 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

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

  • 720 Ashland Ave, Wilmette, IL 60091
    3,669 sqft | $395/sqft | built 1924 | Similar size (3,669 vs 3,648 sqft); Similar age (1924 vs 1923); Similar lot size (10,452 vs 11,250 sqft)
    $1,450,000
  • 819 Ashland Ave, Wilmette, IL 60091
    3,509 sqft | $554/sqft | built 1917 | Similar size (3,509 vs 3,648 sqft); Similar lot size (11,160 vs 11,250 sqft); Same quality (Average)
    $1,945,150
  • 827 Ashland Ave, Wilmette, IL 60091
    3,408 sqft | $535/sqft | built 1919 | 7% smaller (3,408 vs 3,648 sqft); Similar age (1919 vs 1923); Similar lot size (11,160 vs 11,250 sqft)
    $1,822,010
  • 1240 Forest Ave, Wilmette, IL 60091
    3,643 sqft | $475/sqft | built 1921 | Similar size (3,643 vs 3,648 sqft); Similar age (1921 vs 1923); Lot 18% smaller (9,250 vs 11,250 sqft)
    $1,730,010
  • 1129 Sheridan Rd, Wilmette, IL 60091
    3,876 sqft | $488/sqft | built 1922 | 6% larger (3,876 vs 3,648 sqft); Similar age (1922 vs 1923); Similar lot size (11,600 vs 11,250 sqft)
    $1,890,000

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: . Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Down 9.1% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,600,000−$160,010−9.1%
2025$1,760,010+$410,000+30.4%
2024$1,350,010$00.0%
2023$1,350,010$00.0%
2022$1,350,010+$243,440+22.0%
2021$1,106,570+$100.0%
2020$1,106,560——
6-year total+$493,440+44.6%