Cook County Value

634 Belleforte Ave, Oak Park, IL 60302

3 bed / 1 bath, 1,434 sqft, built 1921, in Oak Park Assessor market value for 2026: $470,000.

Cook County account 16063190060000

Assessor market value
$470,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,434 sqft
$328 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 2.2% from $460,000 in 2025 to $470,000 in 2026.
  • Assessor market value per square footThe current public record shows about $328 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.

  • 825 Division St, Oak Park, IL 60302
    1,440 sqft | $396/sqft | built 1926 | Similar size (1,440 vs 1,434 sqft); Similar age (1926 vs 1921); Similar lot size (7,343 vs 7,400 sqft)
    $570,000
  • 813 N Grove Ave, Oak Park, IL 60302
    1,406 sqft | $393/sqft | built 1911 | Similar size (1,406 vs 1,434 sqft); Similar lot size (7,392 vs 7,400 sqft); Same quality (Average)
    $552,420
  • 629 N Grove Ave, Oak Park, IL 60302
    1,488 sqft | $428/sqft | built 1924 | Similar size (1,488 vs 1,434 sqft); Similar age (1924 vs 1921); Similar lot size (7,200 vs 7,400 sqft)
    $636,540
  • 641 N Marion St, Oak Park, IL 60302
    1,416 sqft | $388/sqft | built 1921 | Similar size (1,416 vs 1,434 sqft); Built same year (1921); Lot 14% smaller (6,375 vs 7,400 sqft)
    $550,010
  • 831 Linden Ave, Oak Park, IL 60302
    1,450 sqft | $393/sqft | built 1921 | Similar size (1,450 vs 1,434 sqft); Built same year (1921); Lot 16% smaller (6,200 vs 7,400 sqft)
    $570,000

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 2.2% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$470,000+$10,000+2.2%
2025$460,000$00.0%
2024$460,000$00.0%
2023$460,000+$95,390+26.2%
2022$364,610$00.0%
2021$364,610+$100.0%
2020$364,600——
6-year total+$105,400+28.9%