Cook County Value

2121 Second St, Northbrook, IL 60062

5 bed / 5 bath, 4,634 sqft, built 2005, in Northfield Assessor market value for 2026: $1,428,830.

Cook County account 04164050080000

Assessor market value
$1,428,830
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,634 sqft
$308 per sqft
Year built
2005
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 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 decreased 13.9% from $1,660,000 in 2025 to $1,428,830 in 2026.
  • Assessor market value per square footThe current public record shows about $308 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 1,784 residential records in the same neighborhood, the average assessor market value is about $269 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.2% on average.

Comparable assessments

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

  • 2181 Second St, Northbrook, IL 60062
    4,408 sqft | $370/sqft | built 2001 | Similar size (4,408 vs 4,634 sqft); Similar age (2001 vs 2005); Similar lot size (29,700 vs 29,700 sqft)
    $1,630,000
  • 2195 Second St, Northbrook, IL 60062
    4,357 sqft | $364/sqft | built 2013 | 6% smaller (4,357 vs 4,634 sqft); Similar lot size (29,700 vs 29,700 sqft); Same quality (Average)
    $1,587,470
  • 2180 Second St, Northbrook, IL 60062
    4,902 sqft | $300/sqft | built 2000 | 6% larger (4,902 vs 4,634 sqft); Similar age (2000 vs 2005); Similar lot size (29,700 vs 29,700 sqft)
    $1,470,000
  • 4360 Forestview Dr, Northbrook, IL 60062
    4,773 sqft | $318/sqft | built 2007 | Similar size (4,773 vs 4,634 sqft); Similar age (2007 vs 2005); Lot 14% smaller (25,400 vs 29,700 sqft)
    $1,520,000
  • 2067 Techny Rd, Northbrook, IL 60062
    4,461 sqft | $265/sqft | built 1993 | Similar size (4,461 vs 4,634 sqft); Similar lot size (28,000 vs 29,700 sqft); Same quality (Average)
    $1,180,000

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

Down 13.9% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,428,830−$231,170−13.9%
2025$1,660,000+$270,000+19.4%
2024$1,390,000$00.0%
2023$1,390,000$00.0%
2022$1,390,000+$431,430+45.0%
2021$958,570+$100.0%
2020$958,560——
6-year total+$470,270+49.1%