Cook County Value

859 Valley Rd, Glencoe, IL 60022

4 bed / 3 bath, 3,571 sqft, built 1927, in New Trier. Assessor market value for 2026: $1,478,440.

Cook County account 05071040030000

Assessor market value
$1,478,440
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,571 sqft
$414 per sqft
Year built
1927
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 60022 and New Trier assessment pages.

Local guide: New Trier Township 2026 Property Tax Appeal Guide.

Appeal deadlines

The 2026 appeal windows for New Trier have closed (Assessor , Board of Review ). 2027 notices usually start in March.

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 7.7% from $1,601,600 in 2025 to $1,478,440 in 2026.
  • Assessor market value per square footThe current public record shows about $414 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the New Trier neighborhood and ZIP 60022.
  • Neighborhood value signalAmong 465 residential records in the same neighborhood, the average assessor market value is about $455 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -1.9% on average.

Comparable assessments

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

  • 923 Vernon Ave, Glencoe, IL 60022
    3,521 sqft | $393/sqft | built 1921 | Similar size (3,521 vs 3,571 sqft); Similar lot size (13,920 vs 13,860 sqft); Same quality (Average)
    $1,383,010
  • 609 Washington Ave, Glencoe, IL 60022
    3,396 sqft | $633/sqft | built 1925 | Similar size (3,396 vs 3,571 sqft); Similar age (1925 vs 1927); Similar lot size (13,650 vs 13,860 sqft)
    $2,150,000
  • 540 Milton Ave, Glencoe, IL 60022
    3,836 sqft | $408/sqft | built 1924 | 7% larger (3,836 vs 3,571 sqft); Similar age (1924 vs 1927); Similar lot size (13,860 vs 13,860 sqft)
    $1,565,100
  • 853 Valley Rd, Glencoe, IL 60022
    3,314 sqft | $421/sqft | built 1921 | 7% smaller (3,314 vs 3,571 sqft); Similar lot size (13,860 vs 13,860 sqft); Same quality (Average)
    $1,394,990
  • 661 Bluff St, Glencoe, IL 60022
    3,480 sqft | $440/sqft | built 1921 | Similar size (3,480 vs 3,571 sqft); Similar lot size (13,860 vs 13,860 sqft); Same quality (Average)
    $1,530,000

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 7.7% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,478,440−$123,160−7.7%
2025$1,601,600+$359,290+28.9%
2024$1,242,310−$87,690−6.6%
2023$1,330,000$00.0%
2022$1,330,000+$427,020+47.3%
2021$902,980−$28,090−3.0%
2020$931,070——
6-year total+$547,370+58.8%