Cook County Value

2843 Blackhawk Rd, Wilmette, IL 60091

5 bed / 3 bath, 3,604 sqft, built 1934, in New Trier. Assessor market value for 2026: $1,415,040.

Cook County account 05293170010000

Assessor market value
$1,415,040
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,604 sqft
$393 per sqft
Year built
1934
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 5.5% from $1,497,210 in 2025 to $1,415,040 in 2026.
  • Assessor market value per square footThe current public record shows about $393 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

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

  • 1023 Pontiac Rd, Wilmette, IL 60091
    3,580 sqft | $413/sqft | built 1938 | Similar size (3,580 vs 3,604 sqft); Similar age (1938 vs 1934); Similar lot size (10,875 vs 11,250 sqft)
    $1,480,170
  • 909 Romona Rd, Wilmette, IL 60091
    3,462 sqft | $399/sqft | built 1939 | Similar size (3,462 vs 3,604 sqft); Similar age (1939 vs 1934); Similar lot size (11,520 vs 11,250 sqft)
    $1,380,000
  • 915 Cherokee Rd, Wilmette, IL 60091
    3,627 sqft | $370/sqft | built 1949 | Similar size (3,627 vs 3,604 sqft); Similar lot size (10,960 vs 11,250 sqft); Same quality (Average)
    $1,343,210
  • 310 Locust Rd, Winnetka, IL 60093
    3,558 sqft | $405/sqft | built 1941 | Similar size (3,558 vs 3,604 sqft); Similar lot size (10,200 vs 11,250 sqft); Same quality (Average)
    $1,441,120
  • 1028 Pawnee Rd, Wilmette, IL 60091
    3,593 sqft | $380/sqft | built 1937 | Similar size (3,593 vs 3,604 sqft); Similar age (1937 vs 1934); Lot 13% smaller (9,788 vs 11,250 sqft)
    $1,365,280

Recent comparable sales

Sales selected by similarity to the subject property.

  • 108 17th St, Wilmette, IL 60091
    June-29-2026 | 3,493 sqft | $417/sqft | built 1941 | Similar size (3,493 sqft); Moderate age difference (7 years newer); Sold after the valuation date
    $1,457,000
  • 533 Maple Ave, Wilmette, IL 60091
    3,584 sqft | $307/sqft | built 1931 | Similar size (3,584 sqft); Similar age (1931); Within 1 bedroom (6 vs 5)
    $1,100,000
  • 230 Greenleaf Ave, Wilmette, IL 60091
    3,489 sqft | $682/sqft | built 1925 | Similar size (3,489 sqft); Moderate age difference (9 years older); Same beds (5)
    $2,380,000

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 5.5% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,415,040−$82,170−5.5%
2025$1,497,210+$500,590+50.2%
2024$996,620−$103,380−9.4%
2023$1,100,000$00.0%
2022$1,100,000+$24,440+2.3%
2021$1,075,560+$100.0%
2020$1,075,550——
6-year total+$339,490+31.6%