Cook County Value

522 Happ Rd Northfield, IL 60093

4 bed / 2 bath, 1,480 sqft, built 1939, in Northfield Assessor market value for 2026: $670,000.

Cook County account 04242000490000

Assessor market value
$670,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,480 sqft
$453 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 $670,000 in 2025 to $670,000 in 2026.
  • Assessor market value per square footThe current public record shows about $453 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.

  • 615 Happ Rd Northfield, IL 60093
    1,464 sqft | $451/sqft | built 1938 | Similar size (1,464 vs 1,480 sqft); Similar age (1938 vs 1939); Similar lot size (17,633 vs 18,122 sqft)
    $660,010
  • 2010 Pine St Northfield, IL 60093
    1,486 sqft | $397/sqft | built 1947 | Similar size (1,486 vs 1,480 sqft); Similar lot size (18,005 vs 18,122 sqft); Same quality (Average)
    $590,010
  • 1958 Pine St Northfield, IL 60093
    1,449 sqft | $359/sqft | built 1951 | Similar size (1,449 vs 1,480 sqft); Similar lot size (16,965 vs 18,122 sqft); Same quality (Average)
    $520,010
  • 535 Woodland Ln Northfield, IL 60093
    1,720 sqft | $355/sqft | built 1952 | Similar lot size (17,686 vs 18,122 sqft); Same quality (Average); Same bed/bath (4/2)
    $610,000
  • 635 Happ Rd Northfield, IL 60093
    1,433 sqft | $370/sqft | built 1939 | Similar size (1,433 vs 1,480 sqft); Built same year (1939); Same quality (Average)
    $530,010

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$670,000$00.0%
2025$670,000+$160,000+31.4%
2024$510,000$00.0%
2023$510,000$00.0%
2022$510,000+$99,950+24.4%
2021$410,050+$200.0%
2020$410,030——
6-year total+$259,970+63.4%