Cook County Value

940 Seneca Rd, Wilmette, IL 60091

5 bed / 2 bath, 2,649 sqft, built 1930, in New Trier. Assessor market value for 2026: $1,200,000.

Cook County account 05294220010000

Assessor market value
$1,200,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,649 sqft
$453 per sqft
Year built
1930
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 9.8% from $1,330,000 in 2025 to $1,200,000 in 2026.
  • Assessor market value per square footThe current public record shows about $453 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 724 residential records in the same neighborhood, the average assessor market value is about $416 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.

  • 1006 Seneca Rd, Wilmette, IL 60091
    2,492 sqft | $441/sqft | built 1927 | 6% smaller (2,492 vs 2,649 sqft); Similar age (1927 vs 1930); Similar lot size (13,710 vs 13,798 sqft)
    $1,099,300
  • 1000 Mohawk Rd, Wilmette, IL 60091
    2,452 sqft | $444/sqft | built 1929 | 7% smaller (2,452 vs 2,649 sqft); Similar age (1929 vs 1930); Similar lot size (13,244 vs 13,798 sqft)
    $1,089,730
  • 2815 Blackhawk Rd, Wilmette, IL 60091
    2,988 sqft | $422/sqft | built 1930 | 13% larger (2,988 vs 2,649 sqft); Built same year (1930); Similar lot size (13,864 vs 13,798 sqft)
    $1,260,000
  • 2400 Iroquois Rd, Wilmette, IL 60091
    2,759 sqft | $460/sqft | built 1942 | Similar size (2,759 vs 2,649 sqft); Similar lot size (12,996 vs 13,798 sqft); Same quality (Average)
    $1,269,740
  • 2403 Iroquois Rd, Wilmette, IL 60091
    2,605 sqft | $400/sqft | built 1931 | Similar size (2,605 vs 2,649 sqft); Similar age (1931 vs 1930); Same quality (Average)
    $1,041,930

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

Down 9.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,200,000−$130,000−9.8%
2025$1,330,000+$477,880+56.1%
2024$852,120−$57,750−6.3%
2023$909,870−$46,640−4.9%
2022$956,510+$306,650+47.2%
2021$649,860+$100.0%
2020$649,850——
6-year total+$550,150+84.7%