Cook County Value

1120 Walnut Ln, Northbrook, IL 60062

3 bed / 1 bath, 1,267 sqft, built 1948, in Northfield. Assessor market value for 2026: $540,000.

Cook County account 04092090140000

Likely too high

about $84,000

8 similar homes nearby point to a value about $84,000 lower than yours.

Assessor market value$540,000
Similar homes$456,183
$83,817 gap · bars start at $0

How sure: High · 8 similar homes (5 shown below) · public records only

Assessor market value
$540,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,267 sqft
$426 per sqft
Year built
1948
Average quality

Why we think so

Similar homes' assessments

Strong

8 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $360.05/sqft, which supports a value of $456,183.

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 stayed about the same, from $540,000 in 2025 to $540,000 in 2026.
  • Assessor market value per square footThe current public record shows about $426 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.

  • 2013 Robincrest Ln, Glenview, IL 60025
    1,262 sqft | $360/sqft | built 1952 | Similar size (1,262 vs 1,267 sqft); Similar age (1952 vs 1948); Similar lot size (8,970 vs 8,940 sqft)
    $454,380
  • 1929 Larkdale Dr, Glenview, IL 60025
    1,265 sqft | $395/sqft | built 1948 | Similar size (1,265 vs 1,267 sqft); Built same year (1948); Similar lot size (8,400 vs 8,940 sqft)
    $500,000
  • 901 Rolling Pass, Glenview, IL 60025
    1,269 sqft | $331/sqft | built 1952 | Similar size (1,269 vs 1,267 sqft); Similar age (1952 vs 1948); Similar lot size (8,573 vs 8,940 sqft)
    $420,000
  • 2125 Henley St, Glenview, IL 60025
    1,271 sqft | $378/sqft | built 1955 | Similar size (1,271 vs 1,267 sqft); Similar lot size (8,750 vs 8,940 sqft); Same quality (Average)
    $480,000
  • 2239 Crabtree Ln, Northbrook, IL 60062
    1,296 sqft | $361/sqft | built 1955 | Similar size (1,296 vs 1,267 sqft); Similar lot size (8,971 vs 8,940 sqft); Same quality (Average)
    $467,750

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

No change in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$540,000$00.0%
2025$540,000+$50,000+10.2%
2024$490,000$00.0%
2023$490,000$00.0%
2022$490,000+$91,060+22.8%
2021$398,940+$200.0%
2020$398,920——
6-year total+$141,080+35.4%