Cook County Value

403 Sunset Dr, Wilmette, IL 60091

4 bed / 3 bath, 2,979 sqft, built 2022, in New Trier Assessor market value for 2026: $1,507,630.

Cook County account 05323100530000

Assessor market value
$1,507,630
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,979 sqft
$506 per sqft
Year built
2022
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 9.7% from $1,670,000 in 2025 to $1,507,630 in 2026.
  • Assessor market value per square footThe current public record shows about $506 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 1,944 residential records in the same neighborhood, the average assessor market value is about $372 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.2% on average.

Comparable assessments

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

  • 240 Vista Ct, Wilmette, IL 60091
    2,992 sqft | $434/sqft | built 2015 | Similar size (2,992 vs 2,979 sqft); Similar lot size (8,387 vs 8,382 sqft); Same quality (Average)
    $1,298,730
  • 248 Sunset Dr, Wilmette, IL 60091
    3,124 sqft | $458/sqft | built 2016 | Similar size (3,124 vs 2,979 sqft); Similar lot size (8,444 vs 8,382 sqft); Same quality (Average)
    $1,430,000
  • 2810 Orchard Ln, Wilmette, IL 60091
    3,142 sqft | $439/sqft | built 2016 | 6% larger (3,142 vs 2,979 sqft); Similar lot size (8,448 vs 8,382 sqft); Same quality (Average)
    $1,379,540
  • 540 Locust Rd, Wilmette, IL 60091
    3,295 sqft | $451/sqft | built 2021 | 11% larger (3,295 vs 2,979 sqft); Similar age (2021 vs 2022); Similar lot size (8,400 vs 8,382 sqft)
    $1,487,480
  • 2828 Orchard Ln, Wilmette, IL 60091
    2,990 sqft | $425/sqft | built 2007 | Similar size (2,990 vs 2,979 sqft); Similar lot size (8,448 vs 8,382 sqft); Same quality (Average)
    $1,271,750

Recent comparable sales

No usable comparable sales are available in this data snapshot.

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 9.7% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,507,630−$162,370−9.7%
2025$1,670,000+$666,850+66.5%
2024$1,003,150——
2-year total+$504,480+50.3%