Cook County Value

900 N Humphrey Ave, Oak Park, IL 60302

4 bed / 2 bath, 2,256 sqft, built 1917, in Oak Park. Assessor market value for 2026: $570,000.

Cook County account 16051270200000

Assessor market value
$570,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,256 sqft
$253 per sqft
Year built
1917
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 60302, Oak Park, and Oak Park assessment pages.

Local guide: Oak Park Township 2026 Property Tax Appeal Guide.

Appeal deadlines

The 2026 appeal windows for Oak Park 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 increased 23.9% from $460,000 in 2025 to $570,000 in 2026.
  • Assessor market value per square footThe current public record shows about $253 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Oak Park neighborhood and ZIP 60302.
  • Neighborhood value signalAmong 1,633 residential records in the same neighborhood, the average assessor market value is about $295 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +24.2% on average.

Comparable assessments

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

  • 1051 N Lombard Ave, Oak Park, IL 60302
    2,288 sqft | $297/sqft | built 1920 | Similar size (2,288 vs 2,256 sqft); Similar age (1920 vs 1917); Similar lot size (3,831 vs 3,888 sqft)
    $680,000
  • 923 N Humphrey Ave, Oak Park, IL 60302
    2,189 sqft | $270/sqft | built 1916 | Similar size (2,189 vs 2,256 sqft); Similar age (1916 vs 1917); Similar lot size (3,875 vs 3,888 sqft)
    $590,010
  • 825 N Cuyler Ave, Oak Park, IL 60302
    2,327 sqft | $305/sqft | built 1921 | Similar size (2,327 vs 2,256 sqft); Similar age (1921 vs 1917); Similar lot size (3,969 vs 3,888 sqft)
    $710,000
  • 740 Hayes Ave, Oak Park, IL 60302
    2,204 sqft | $236/sqft | built 1917 | Similar size (2,204 vs 2,256 sqft); Built same year (1917); Similar lot size (4,199 vs 3,888 sqft)
    $521,000
  • 829 N Taylor Ave, Oak Park, IL 60302
    2,245 sqft | $276/sqft | built 1916 | Similar size (2,245 vs 2,256 sqft); Similar age (1916 vs 1917); Similar lot size (3,780 vs 3,888 sqft)
    $620,500

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

Up 23.9% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$570,000+$110,000+23.9%
2025$460,000$00.0%
2024$460,000$00.0%
2023$460,000+$90,710+24.6%
2022$369,290$00.0%
2021$369,290−$16,500−4.3%
2020$385,790——
6-year total+$184,210+47.7%