Cook County Value

402 N Grove Ave, Oak Park, IL 60302

3 bed / 2 bath, 1,896 sqft, built 1890, in Oak Park. Assessor market value for 2026: $750,000.

Cook County account 16071050080000

Assessor market value
$750,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,896 sqft
$396 per sqft
Year built
1890
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 21.9% from $615,190 in 2025 to $750,000 in 2026.
  • Assessor market value per square footThe current public record shows about $396 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 535 residential records in the same neighborhood, the average assessor market value is about $409 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +27.9% on average.

Comparable assessments

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

  • 9 Elizabeth Ct, Oak Park, IL 60302
    1,651 sqft | $436/sqft | built 1894 | 13% smaller (1,651 vs 1,896 sqft); Similar age (1894 vs 1890); Similar lot size (8,600 vs 8,758 sqft)
    $720,000
  • 1036 Superior St, Oak Park, IL 60302
    1,920 sqft | $385/sqft | built 1899 | Similar size (1,920 vs 1,896 sqft); Lot 12% smaller (7,686 vs 8,758 sqft); Same quality (Average)
    $740,000
  • 1024 Ontario St, Oak Park, IL 60302
    1,756 sqft | $424/sqft | built 1883 | 7% smaller (1,756 vs 1,896 sqft); Similar lot size (9,500 vs 8,758 sqft); Same quality (Average)
    $745,210
  • 1019 Erie St, Oak Park, IL 60302
    2,098 sqft | $398/sqft | built 1883 | 11% larger (2,098 vs 1,896 sqft); Lot 10% larger (9,642 vs 8,758 sqft); Same quality (Average)
    $835,190
  • 217 Linden Ave, Oak Park, IL 60302
    2,106 sqft | $385/sqft | built 1898 | 11% larger (2,106 vs 1,896 sqft); Similar lot size (8,300 vs 8,758 sqft); Same quality (Average)
    $810,000

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 21.9% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$750,000+$134,810+21.9%
2025$615,190−$9,220−1.5%
2024$624,410$00.0%
2023$624,410+$121,200+24.1%
2022$503,210−$15,740−3.0%
2021$518,950−$42,550−7.6%
2020$561,500——
6-year total+$188,500+33.6%