Cook County Value

306 S East Ave, Oak Park, IL 60302

4 bed / 2 bath, 2,399 sqft, built 1921, in Oak Park Assessor market value for 2026: $817,530.

Cook County account 16074150030000

Assessor market value
$817,530
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,399 sqft
$341 per sqft
Year built
1921
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 36.9% from $597,310 in 2025 to $817,530 in 2026.
  • Assessor market value per square footThe current public record shows about $341 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 443 residential records in the same neighborhood, the average assessor market value is about $293 per square foot.

Comparable assessments

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

  • 516 Washington Blvd, Oak Park, IL 60302
    2,312 sqft | $307/sqft | built 1914 | Similar size (2,312 vs 2,399 sqft); Similar lot size (7,500 vs 7,434 sqft); Same quality (Average)
    $710,000
  • 236 S East Ave, Oak Park, IL 60302
    2,265 sqft | $327/sqft | built 1923 | 6% smaller (2,265 vs 2,399 sqft); Similar age (1923 vs 1921); Similar lot size (7,080 vs 7,434 sqft)
    $740,000
  • 431 S Elmwood Ave, Oak Park, IL 60302
    2,364 sqft | $228/sqft | built 1915 | Similar size (2,364 vs 2,399 sqft); Lot 13% larger (8,400 vs 7,434 sqft); Same quality (Average)
    $540,000
  • 244 Wesley Ave, Oak Park, IL 60302
    2,395 sqft | $326/sqft | built 1910 | Similar size (2,395 vs 2,399 sqft); Similar lot size (6,880 vs 7,434 sqft); Same quality (Average)
    $780,000
  • 244 S East Ave, Oak Park, IL 60302
    2,224 sqft | $369/sqft | built 1924 | 7% smaller (2,224 vs 2,399 sqft); Similar age (1924 vs 1921); Similar lot size (7,080 vs 7,434 sqft)
    $820,000

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 36.9% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$817,530+$220,220+36.9%
2025$597,310$00.0%
2024$597,310−$90,260−13.1%
2023$687,570+$235,790+52.2%
2022$451,780$00.0%
2021$451,780$00.0%
2020$451,780——
6-year total+$365,750+81.0%