Cook County Value

285 Old Farm Rd Northfield, IL 60093

6 bed / 5 bath, 5,145 sqft, built 1938, in Northfield. Assessor market value for 2026: $1,873,460.

Cook County account 04133020100000

Assessor market value
$1,873,460
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
5,145 sqft
$364 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 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 $1,873,460 in 2025 to $1,873,460 in 2026.
  • Assessor market value per square footThe current public record shows about $364 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 1,262 residential records in the same neighborhood, the average assessor market value is about $367 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -0.1% on average.

Comparable assessments

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

  • 2323 Winnetka Rd Northfield, IL 60093
    5,166 sqft | $341/sqft | built 1937 | Similar size (5,166 vs 5,145 sqft); Similar age (1937 vs 1938); Similar lot size (46,827 vs 48,439 sqft)
    $1,759,920
  • 315 Old Farm Rd Northfield, IL 60093
    5,330 sqft | $355/sqft | built 1940 | Similar size (5,330 vs 5,145 sqft); Similar age (1940 vs 1938); Similar lot size (47,916 vs 48,439 sqft)
    $1,890,950
  • 568 Briar Ln Northfield, IL 60093
    5,055 sqft | $362/sqft | built 1937 | Similar size (5,055 vs 5,145 sqft); Similar age (1937 vs 1938); Lot 10% smaller (43,560 vs 48,439 sqft)
    $1,829,940
  • 2276 Drury Ln Northfield, IL 60093
    5,146 sqft | $359/sqft | built 1952 | Similar size (5,146 vs 5,145 sqft); Similar lot size (48,874 vs 48,439 sqft); Same quality (Average)
    $1,848,800
  • 2117 Middlefork Rd Northfield, IL 60093
    5,423 sqft | $282/sqft | built 1939 | 5% larger (5,423 vs 5,145 sqft); Similar age (1939 vs 1938); Similar lot size (46,174 vs 48,439 sqft)
    $1,529,490

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$1,873,460$00.0%
2025$1,873,460+$592,280+46.2%
2024$1,281,180$00.0%
2023$1,281,180+$458,980+55.8%
2022$822,200−$445,850−35.2%
2021$1,268,050+$100.0%
2020$1,268,040——
6-year total+$605,420+47.7%