Cook County Value

626 Forest Ave, Wilmette, IL 60091

5 bed / 3 bath, 3,605 sqft, built 1932, in New Trier. Assessor market value for 2026: $1,719,200.

Cook County account 05274180100000

Assessor market value
$1,719,200
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,605 sqft
$477 per sqft
Year built
1932
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 6.8% from $1,845,010 in 2025 to $1,719,200 in 2026.
  • Assessor market value per square footThe current public record shows about $477 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.

  • 1350 Ashland Ave, Wilmette, IL 60091
    3,774 sqft | $432/sqft | built 1930 | Similar size (3,774 vs 3,605 sqft); Similar age (1930 vs 1932); Similar lot size (9,300 vs 9,250 sqft)
    $1,630,000
  • 1320 Ashland Ave, Wilmette, IL 60091
    3,570 sqft | $517/sqft | built 1924 | Similar size (3,570 vs 3,605 sqft); Similar lot size (8,800 vs 9,250 sqft); Same quality (Average)
    $1,844,300
  • 632 Forest Ave, Wilmette, IL 60091
    3,811 sqft | $491/sqft | built 1930 | 6% larger (3,811 vs 3,605 sqft); Similar age (1930 vs 1932); Similar lot size (9,250 vs 9,250 sqft)
    $1,872,290
  • 1240 Forest Ave, Wilmette, IL 60091
    3,643 sqft | $475/sqft | built 1921 | Similar size (3,643 vs 3,605 sqft); Similar lot size (9,250 vs 9,250 sqft); Same quality (Average)
    $1,730,010
  • 1216 Ashland Ave, Wilmette, IL 60091
    3,658 sqft | $506/sqft | built 1923 | Similar size (3,658 vs 3,605 sqft); Similar lot size (8,800 vs 9,250 sqft); Same quality (Average)
    $1,850,000

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 | Similar size (3,493 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $1,457,000
  • 533 Maple Ave, Wilmette, IL 60091
    3,584 sqft | $307/sqft | built 1931 | Similar size (3,584 sqft); Similar age (1931); Within 1 bedroom (6 vs 5)
    $1,100,000
  • 230 Greenleaf Ave, Wilmette, IL 60091
    3,489 sqft | $682/sqft | built 1925 | Similar size (3,489 sqft); Moderate age difference (7 years older); Same beds (5)
    $2,380,000

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 6.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,719,200−$125,810−6.8%
2025$1,845,010+$545,000+41.9%
2024$1,300,010$00.0%
2023$1,300,010$00.0%
2022$1,300,010+$166,270+14.7%
2021$1,133,740$00.0%
2020$1,133,740——
6-year total+$585,460+51.6%