Cook County Value

3027 Hartzell St, Wilmette, IL 60091

4 bed / 2 bath, 1,402 sqft, built 1958, in New Trier. Assessor market value for 2026: $517,220.

Cook County account 05323040050000

Assessor market value
$517,220
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,402 sqft
$369 per sqft
Year built
1958
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 4.2% from $540,000 in 2025 to $517,220 in 2026.
  • Assessor market value per square footThe current public record shows about $369 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 1,109 residential records in the same neighborhood, the average assessor market value is about $311 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.1% on average.

Comparable assessments

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

  • 770 La Crosse Ave, Wilmette, IL 60091
    1,408 sqft | $320/sqft | built 1958 | Similar size (1,408 vs 1,402 sqft); Built same year (1958); Similar lot size (7,723 vs 7,811 sqft)
    $450,000
  • 3210 Hill Ln, Wilmette, IL 60091
    1,380 sqft | $377/sqft | built 1959 | Similar size (1,380 vs 1,402 sqft); Similar age (1959 vs 1958); Similar lot size (7,696 vs 7,811 sqft)
    $520,000
  • 634 Lavergne Ave, Wilmette, IL 60091
    1,419 sqft | $345/sqft | built 1961 | Similar size (1,419 vs 1,402 sqft); Similar age (1961 vs 1958); Similar lot size (7,920 vs 7,811 sqft)
    $490,000
  • 621 La Crosse Ave, Wilmette, IL 60091
    1,429 sqft | $341/sqft | built 1960 | Similar size (1,429 vs 1,402 sqft); Similar age (1960 vs 1958); Similar lot size (7,920 vs 7,811 sqft)
    $486,750
  • 316 Lamon Ave, Wilmette, IL 60091
    1,399 sqft | $319/sqft | built 1960 | Similar size (1,399 vs 1,402 sqft); Similar age (1960 vs 1958); Similar lot size (7,727 vs 7,811 sqft)
    $446,830

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 4.2% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$517,220−$22,780−4.2%
2025$540,000+$110,000+25.6%
2024$430,000——
2-year total+$87,220+20.3%