Cook County Value

605 N Marion St, Oak Park, IL 60302

4 bed / 1 bath, 2,383 sqft, built 1895, in Oak Park. Assessor market value for 2026: $780,000.

Cook County account 16063150190000

Assessor market value
$780,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,383 sqft
$327 per sqft
Year built
1895
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 25.8% from $620,000 in 2025 to $780,000 in 2026.
  • Assessor market value per square footThe current public record shows about $327 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

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

  • 820 Belleforte Ave 2, Oak Park, IL 60302
    2,382 sqft | $252/sqft | built 1891 | Similar size (2,382 vs 2,383 sqft); Similar age (1891 vs 1895); Similar lot size (6,307 vs 6,250 sqft)
    $600,000
  • 637 N Marion St, Oak Park, IL 60302
    2,418 sqft | $259/sqft | built 1904 | Similar size (2,418 vs 2,383 sqft); Similar lot size (6,250 vs 6,250 sqft); Same quality (Average)
    $625,440
  • 1117 N Harlem Ave, Oak Park, IL 60302
    2,325 sqft | $202/sqft | built 1891 | Similar size (2,325 vs 2,383 sqft); Similar age (1891 vs 1895); Similar lot size (6,090 vs 6,250 sqft)
    $470,000
  • 604 N Grove Ave, Oak Park, IL 60302
    2,273 sqft | $393/sqft | built 1897 | Similar size (2,273 vs 2,383 sqft); Similar age (1897 vs 1895); Similar lot size (6,498 vs 6,250 sqft)
    $893,750
  • 640 Woodbine Ave, Oak Park, IL 60302
    2,496 sqft | $321/sqft | built 1893 | Similar size (2,496 vs 2,383 sqft); Similar age (1893 vs 1895); Similar lot size (6,720 vs 6,250 sqft)
    $800,000

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: . Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 25.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$780,000+$160,000+25.8%
2025$620,000$00.0%
2024$620,000$00.0%
2023$620,000+$65,940+11.9%
2022$554,060$00.0%
2021$554,060−$35,430−6.0%
2020$589,490——
6-year total+$190,510+32.3%