Cook County Value

485 Valley Way Dr Northbrook

4 bed / 3 bath, 3,429 sqft, built 1959, in Northfield. Assessor market value for 2026: $1,230,000.

Cook County account 04142000520000

Assessor market value
$1,230,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,429 sqft
$359 per sqft
Year built
1959
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 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 $1,230,000 in 2025 to $1,230,000 in 2026.
  • Assessor market value per square footThe current public record shows about $359 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Northfield neighborhood.
  • Neighborhood value signalAmong 152 residential records in the same neighborhood, the average assessor market value is about $387 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +2.6% on average.

Comparable assessments

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

  • 515 Valley Way Dr Northbrook
    3,343 sqft | $347/sqft | built 1957 | Similar size (3,343 vs 3,429 sqft); Similar age (1957 vs 1959); Similar lot size (40,073 vs 41,363 sqft)
    $1,160,000
  • 1920 E Circle Dr Northbrook
    3,296 sqft | $343/sqft | built 1958 | Similar size (3,296 vs 3,429 sqft); Similar age (1958 vs 1959); Lot 12% larger (46,125 vs 41,363 sqft)
    $1,129,370
  • 417 Pebblebrook Rd, Northbrook, IL 60062
    3,503 sqft | $380/sqft | built 1966 | Similar size (3,503 vs 3,429 sqft); Similar lot size (40,182 vs 41,363 sqft); Same quality (Average)
    $1,330,000
  • 1950 Sunset Ridge Rd Northfield, IL 60093
    3,627 sqft | $357/sqft | built 1961 | 6% larger (3,627 vs 3,429 sqft); Similar age (1961 vs 1959); Similar lot size (40,075 vs 41,363 sqft)
    $1,296,450
  • 580 Valley Way Dr Northbrook
    3,597 sqft | $370/sqft | built 1955 | Similar size (3,597 vs 3,429 sqft); Similar age (1955 vs 1959); Similar lot size (43,650 vs 41,363 sqft)
    $1,329,400

Recent comparable sales

No usable comparable sales are available in this data snapshot.

Public appraisal comparison for 2026. Prepared . Appraisal source: Cook County Assessor's Office. 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$1,230,000$00.0%
2025$1,230,000+$252,040+25.8%
2024$977,960$00.0%
2023$977,960−$122,040−11.1%
2022$1,100,000——
4-year total+$130,000+11.8%