Cook County Value

1306 Gregory Ave, Wilmette, IL 60091

5 bed / 2 bath, 2,428 sqft, built 1915, in New Trier. Assessor market value for 2026: $1,146,130.

Cook County account 05343040180000

Assessor market value
$1,146,130
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,428 sqft
$472 per sqft
Year built
1915
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 4.6% from $1,201,400 in 2025 to $1,146,130 in 2026.
  • Assessor market value per square footThe current public record shows about $472 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 1,671 residential records in the same neighborhood, the average assessor market value is about $458 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.4% on average.

Comparable assessments

Similar public appraisal records selected for this property's equity comparison.

  • 901 Gregory Ave, Wilmette, IL 60091
    2,374 sqft | $548/sqft | built 1917 | Similar size (2,374 vs 2,428 sqft); Similar age (1917 vs 1915); Similar lot size (8,500 vs 8,550 sqft)
    $1,300,000
  • 1206 Gregory Ave, Wilmette, IL 60091
    2,454 sqft | $474/sqft | built 1909 | Similar size (2,454 vs 2,428 sqft); Similar lot size (8,550 vs 8,550 sqft); Same quality (Average)
    $1,163,770
  • 1325 Maple Ave, Wilmette, IL 60091
    2,488 sqft | $474/sqft | built 1919 | Similar size (2,488 vs 2,428 sqft); Similar age (1919 vs 1915); Similar lot size (8,550 vs 8,550 sqft)
    $1,180,010
  • 1213 Gregory Ave, Wilmette, IL 60091
    2,471 sqft | $467/sqft | built 1912 | Similar size (2,471 vs 2,428 sqft); Similar age (1912 vs 1915); Similar lot size (8,750 vs 8,550 sqft)
    $1,152,940
  • 1243 Gregory Ave, Wilmette, IL 60091
    2,400 sqft | $438/sqft | built 1921 | Similar size (2,400 vs 2,428 sqft); Similar lot size (8,750 vs 8,550 sqft); Same quality (Average)
    $1,051,180

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 4.6% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,146,130−$55,270−4.6%
2025$1,201,400+$337,660+39.1%
2024$863,740−$44,720−4.9%
2023$908,460$00.0%
2022$908,460+$250,880+38.2%
2021$657,580−$55,560−7.8%
2020$713,140——
6-year total+$432,990+60.7%