Cook County Value

1514 Spencer Ave, Wilmette, IL 60091

4 bed / 2 bath, 2,304 sqft, built 1898, in New Trier. Assessor market value for 2026: $980,000.

Cook County account 05332020280000

Assessor market value
$980,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,304 sqft
$425 per sqft
Year built
1898
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 stayed about the same, from $980,000 in 2025 to $980,000 in 2026.
  • Assessor market value per square footThe current public record shows about $425 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.

  • 1602 Spencer Ave, Wilmette, IL 60091
    2,511 sqft | $502/sqft | built 1899 | 9% larger (2,511 vs 2,304 sqft); Similar age (1899 vs 1898); Similar lot size (7,200 vs 7,200 sqft)
    $1,260,000
  • 845 15th St, Wilmette, IL 60091
    2,328 sqft | $442/sqft | built 1908 | Similar size (2,328 vs 2,304 sqft); Similar lot size (7,500 vs 7,200 sqft); Same quality (Average)
    $1,029,450
  • 2033 Birchwood Ave, Wilmette, IL 60091
    2,413 sqft | $394/sqft | built 1902 | Similar size (2,413 vs 2,304 sqft); Similar age (1902 vs 1898); Similar lot size (7,524 vs 7,200 sqft)
    $950,000
  • 116 Sixth St, Wilmette, IL 60091
    2,271 sqft | $493/sqft | built 1908 | Similar size (2,271 vs 2,304 sqft); Similar lot size (7,500 vs 7,200 sqft); Same quality (Average)
    $1,119,180
  • 1618 Spencer Ave, Wilmette, IL 60091
    2,370 sqft | $397/sqft | built 1904 | Similar size (2,370 vs 2,304 sqft); Similar lot size (7,200 vs 7,200 sqft); Same quality (Average)
    $940,000

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

No change in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$980,000$00.0%
2025$980,000+$282,720+40.5%
2024$697,280−$112,720−13.9%
2023$810,000$00.0%
2022$810,000+$221,060+37.5%
2021$588,940$00.0%
2020$588,940——
6-year total+$391,060+66.4%