Cook County Value

135 Cottonwood Rd, Northbrook, IL 60062

4 bed / 2 bath, 1,745 sqft, built 1959, in Northfield. Assessor market value for 2026: $467,330.

Cook County account 04031050110000

Assessor market value
$467,330
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,745 sqft
$268 per sqft
Year built
1959
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 4.6% from $490,000 in 2025 to $467,330 in 2026.
  • Assessor market value per square footThe current public record shows about $268 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 385 residential records in the same neighborhood, the average assessor market value is about $253 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -1.5% on average.

Comparable assessments

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

  • 2021 Walnut Cir, Northbrook, IL 60062
    1,782 sqft | $270/sqft | built 1957 | Similar size (1,782 vs 1,745 sqft); Similar age (1957 vs 1959); Similar lot size (20,006 vs 19,867 sqft)
    $480,900
  • 251 Red Oak Rd, Northbrook, IL 60062
    1,690 sqft | $252/sqft | built 1958 | Similar size (1,690 vs 1,745 sqft); Similar age (1958 vs 1959); Similar lot size (20,587 vs 19,867 sqft)
    $425,520
  • 302 Linden Rd, Northbrook, IL 60062
    1,689 sqft | $290/sqft | built 1957 | Similar size (1,689 vs 1,745 sqft); Similar age (1957 vs 1959); Similar lot size (20,660 vs 19,867 sqft)
    $490,000
  • 315 Red Oak Rd, Northbrook, IL 60062
    1,815 sqft | $262/sqft | built 1962 | Similar size (1,815 vs 1,745 sqft); Similar age (1962 vs 1959); Similar lot size (20,370 vs 19,867 sqft)
    $475,600
  • 2041 Beechnut Rd, Northbrook, IL 60062
    1,708 sqft | $262/sqft | built 1958 | Similar size (1,708 vs 1,745 sqft); Similar age (1958 vs 1959); Similar lot size (20,746 vs 19,867 sqft)
    $448,000

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 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$467,330−$22,670−4.6%
2025$490,000+$139,900+40.0%
2024$350,100$00.0%
2023$350,100−$59,910−14.6%
2022$410,010+$111,450+37.3%
2021$298,560$00.0%
2020$298,560——
6-year total+$168,770+56.5%