Cook County Value

635 Happ Rd Northfield, IL 60093

3 bed / 1 bath, 1,433 sqft, built 1939, in Northfield. Assessor market value for 2026: $530,010.

Cook County account 04242010550000

Assessor market value
$530,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,433 sqft
$370 per sqft
Year built
1939
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 $530,010 in 2025 to $530,010 in 2026.
  • Assessor market value per square footThe current public record shows about $370 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.

  • 268 Ingram St Northfield, IL 60093
    1,472 sqft | $387/sqft | built 1953 | Similar size (1,472 vs 1,433 sqft); Similar lot size (12,210 vs 12,671 sqft); Same quality (Average)
    $570,000
  • 337 Eaton St Northfield, IL 60093
    1,454 sqft | $358/sqft | built 1950 | Similar size (1,454 vs 1,433 sqft); Lot 12% smaller (11,200 vs 12,671 sqft); Same quality (Average)
    $520,000
  • 277 Wagner Rd Northfield, IL 60093
    1,490 sqft | $356/sqft | built 1946 | Similar size (1,490 vs 1,433 sqft); Same quality (Average); Same bed/bath (3/1)
    $530,000
  • 260 Thackeray Ln Northfield, IL 60093
    1,262 sqft | $396/sqft | built 1953 | 12% smaller (1,262 vs 1,433 sqft); Similar lot size (13,200 vs 12,671 sqft); Same quality (Average)
    $500,000
  • 314 Wagner Rd Northfield, IL 60093
    1,519 sqft | $356/sqft | built 1949 | 6% larger (1,519 vs 1,433 sqft); Lot 11% smaller (11,250 vs 12,671 sqft); Same quality (Average)
    $540,000

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: . Showing the last prepared sales evidence while recent sales are refreshed. 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$530,010$00.0%
2025$530,010+$50,010+10.4%
2024$480,000$00.0%
2023$480,000$00.0%
2022$480,000+$91,350+23.5%
2021$388,650+$100.0%
2020$388,640——
6-year total+$141,370+36.4%