Cook County Value

23 Timber Ln, Northbrook, IL 60062

5 bed / 3 bath, 3,168 sqft, built 1938, in Northfield. Assessor market value for 2026: $980,780.

Cook County account 04102000780000

Assessor market value
$980,780
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,168 sqft
$310 per sqft
Year built
1938
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 6.6% from $1,050,000 in 2025 to $980,780 in 2026.
  • Assessor market value per square footThe current public record shows about $310 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 556 residential records in the same neighborhood, the average assessor market value is about $331 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -3.0% on average.

Comparable assessments

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

  • 1030 Lee Rd, Northbrook, IL 60062
    3,003 sqft | $277/sqft | built 1942 | 5% smaller (3,003 vs 3,168 sqft); Similar age (1942 vs 1938); Similar lot size (12,825 vs 13,200 sqft)
    $832,700
  • 1040 Shermer Rd, Northbrook, IL 60062
    3,248 sqft | $308/sqft | built 1925 | Similar size (3,248 vs 3,168 sqft); Similar lot size (12,900 vs 13,200 sqft); Same quality (Average)
    $1,000,000
  • 1326 Larrabee Ln, Northbrook, IL 60062
    3,222 sqft | $320/sqft | built 1941 | Similar size (3,222 vs 3,168 sqft); Similar age (1941 vs 1938); Lot 19% larger (15,681 vs 13,200 sqft)
    $1,030,000
  • 1316 Glenoak Ln, Northbrook, IL 60062
    3,154 sqft | $299/sqft | built 1937 | Similar size (3,154 vs 3,168 sqft); Similar age (1937 vs 1938); Lot 19% larger (15,672 vs 13,200 sqft)
    $942,260
  • 22 Timber Ln, Northbrook, IL 60062
    2,602 sqft | $311/sqft | built 1940 | Similar age (1940 vs 1938); Similar lot size (13,200 vs 13,200 sqft); Same quality (Average)
    $810,000

Recent comparable sales

No usable comparable sales are available in this data snapshot.

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 6.6% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$980,780−$69,220−6.6%
2025$1,050,000+$401,930+62.0%
2024$648,070$00.0%
2023$648,070$00.0%
2022$648,070+$54,340+9.2%
2021$593,730$00.0%
2020$593,730——
6-year total+$387,050+65.2%