Cook County Value

1129 Western Ave, Northbrook, IL 60062

5 bed / 5 bath, 5,038 sqft, built 2022, in Northfield. Assessor market value for 2026: $1,735,000.

Cook County account 04092020450000

Assessor market value
$1,735,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
5,038 sqft
$344 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 60062 and Northfield assessment pages.

Local guide: Northfield Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For Northfield, appeals to the Assessor closed . Board of Review dates for Northfield have not been published yet.

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 15.4% from $2,050,000 in 2025 to $1,735,000 in 2026.
  • Assessor market value per square footThe current public record shows about $344 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Northfield neighborhood and ZIP 60062.
  • Neighborhood value signalAmong 2,200 residential records in the same neighborhood, the average assessor market value is about $346 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.0% on average.

Comparable assessments

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

  • 2249 Dewes St, Glenview, IL 60025
    5,416 sqft | $389/sqft | built 2015 | 8% larger (5,416 vs 5,038 sqft); Similar lot size (16,015 vs 16,104 sqft); Same quality (Average)
    $2,104,570
  • 2327 Larkdale Dr, Glenview, IL 60025
    4,596 sqft | $367/sqft | built 2015 | 9% smaller (4,596 vs 5,038 sqft); Similar lot size (15,097 vs 16,104 sqft); Same quality (Average)
    $1,685,860
  • 1418 Cedar Ln, Northbrook, IL 60062
    5,311 sqft | $343/sqft | built 2021 | 5% larger (5,311 vs 5,038 sqft); Similar age (2021 vs 2022); Lot 14% smaller (13,920 vs 16,104 sqft)
    $1,820,400
  • 1740 Chapel Ct, Northbrook, IL 60062
    5,398 sqft | $315/sqft | built 2016 | 7% larger (5,398 vs 5,038 sqft); Lot 11% larger (17,853 vs 16,104 sqft); Same quality (Average)
    $1,702,740
  • 2118 Walters Ave, Northbrook, IL 60062
    4,504 sqft | $288/sqft | built 2024 | 11% smaller (4,504 vs 5,038 sqft); Similar age (2024 vs 2022); Lot 14% smaller (13,826 vs 16,104 sqft)
    $1,295,000

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

Down 15.4% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,735,000−$315,000−15.4%
2025$2,050,000+$452,340+28.3%
2024$1,597,660$00.0%
2023$1,597,660+$1,116,220+231.9%
2022$481,440−$52,470−9.8%
2021$533,910+$100.0%
2020$533,900——
6-year total+$1,201,100+225.0%