Cook County Value

280 Avon Ave Northfield, IL 60093

3 bed / 1 bath, 1,398 sqft, built 1955, in Northfield. Assessor market value for 2026: $530,000.

Cook County account 04244110310000

Assessor market value
$530,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,398 sqft
$379 per sqft
Year built
1955
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 60093 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 $530,000 in 2025 to $530,000 in 2026.
  • Assessor market value per square footThe current public record shows about $379 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 60093.
  • Neighborhood value signalAmong 602 residential records in the same neighborhood, the average assessor market value is about $313 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -0.9% on average.

Comparable assessments

Similar public appraisal records selected for this property's equity comparison.

  • 245 Riverside Dr Northfield, IL 60093
    1,334 sqft | $357/sqft | built 1956 | Similar size (1,334 vs 1,398 sqft); Similar age (1956 vs 1955); Similar lot size (13,200 vs 13,500 sqft)
    $476,540
  • 241 Riverside Dr Northfield, IL 60093
    1,296 sqft | $378/sqft | built 1958 | 7% smaller (1,296 vs 1,398 sqft); Similar age (1958 vs 1955); Similar lot size (13,200 vs 13,500 sqft)
    $490,000
  • 268 Ingram St Northfield, IL 60093
    1,472 sqft | $387/sqft | built 1953 | 5% larger (1,472 vs 1,398 sqft); Similar age (1953 vs 1955); Similar lot size (12,210 vs 13,500 sqft)
    $570,000
  • 1885 Old Willow Rd Northfield, IL 60093
    1,300 sqft | $401/sqft | built 1956 | 7% smaller (1,300 vs 1,398 sqft); Similar age (1956 vs 1955); Similar lot size (14,267 vs 13,500 sqft)
    $520,810
  • 5 Robin Hood Ln Northfield, IL 60093
    1,350 sqft | $259/sqft | built 1970 | Similar size (1,350 vs 1,398 sqft); Similar lot size (14,289 vs 13,500 sqft); Same quality (Average)
    $350,000

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

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$530,000$00.0%
2025$530,000+$70,000+15.2%
2024$460,000$00.0%
2023$460,000$00.0%
2022$460,000+$82,320+21.8%
2021$377,680+$200.0%
2020$377,660——
6-year total+$152,340+40.3%