Cook County Value

806 N Grove Ave, Oak Park, IL 60302

3 bed / 2 bath, 2,807 sqft, built 1906, in Oak Park. Assessor market value for 2026: $1,010,000.

Cook County account 16063060120000

Assessor market value
$1,010,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,807 sqft
$360 per sqft
Year built
1906
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 39.4% from $724,610 in 2025 to $1,010,000 in 2026.
  • Assessor market value per square footThe current public record shows about $360 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 1,390 residential records in the same neighborhood, the average assessor market value is about $323 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +22.6% on average.

Comparable assessments

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

  • 800 N Kenilworth Ave, Oak Park, IL 60302
    2,801 sqft | $332/sqft | built 1907 | Similar size (2,801 vs 2,807 sqft); Similar age (1907 vs 1906); Similar lot size (8,350 vs 8,150 sqft)
    $930,000
  • 707 N Oak Park Ave, Oak Park, IL 60302
    2,760 sqft | $290/sqft | built 1908 | Similar size (2,760 vs 2,807 sqft); Similar age (1908 vs 1906); Similar lot size (7,822 vs 8,150 sqft)
    $800,000
  • 827 N Grove Ave, Oak Park, IL 60302
    2,803 sqft | $350/sqft | built 1909 | Similar size (2,803 vs 2,807 sqft); Similar age (1909 vs 1906); Similar lot size (8,400 vs 8,150 sqft)
    $980,000
  • 550 N Marion St, Oak Park, IL 60302
    2,878 sqft | $344/sqft | built 1903 | Similar size (2,878 vs 2,807 sqft); Similar age (1903 vs 1906); Similar lot size (8,550 vs 8,150 sqft)
    $990,000
  • 531 Woodbine Ave, Oak Park, IL 60302
    2,670 sqft | $322/sqft | built 1908 | Similar size (2,670 vs 2,807 sqft); Similar age (1908 vs 1906); Similar lot size (7,947 vs 8,150 sqft)
    $860,000

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

Up 39.4% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,010,000+$285,390+39.4%
2025$724,610−$105,390−12.7%
2024$830,000$00.0%
2023$830,000+$143,120+20.8%
2022$686,880$00.0%
2021$686,880+$100.0%
2020$686,870——
6-year total+$323,130+47.0%