Cook County Value

1043 Belleforte Ave, Oak Park, IL 60302

4 bed / 2 bath, 1,985 sqft, built 1937, in Oak Park. Assessor market value for 2026: $719,260.

Cook County account 16061140150000

Likely too high

about $42,000

8 similar homes nearby point to a value about $42,000 lower than yours.

Assessor market value$719,260
Similar homes$677,500
$41,760 gap · bars start at $0

How sure: High · 8 similar homes (5 shown below) · public records only

Assessor market value
$719,260
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,985 sqft
$362 per sqft
Year built
1937
Average quality

Why we think so

Similar homes' assessments

Strong

8 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $341.14/sqft, but land is valued apart from the home, and some of them have less land value per square foot of home than yours, which counts as $157,500. Counting your land in place of theirs where theirs is less, they support a value of $677,500.

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 18.5% from $606,870 in 2025 to $719,260 in 2026.
  • Assessor market value per square footThe current public record shows about $362 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 1,293 residential records in the same neighborhood, the average assessor market value is about $318 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +18.7% on average.

Comparable assessments

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

  • 1105 Greenfield St, Oak Park, IL 60302
    1,994 sqft | $347/sqft | built 1935 | Similar size (1,994 vs 1,985 sqft); Similar age (1935 vs 1937); Similar lot size (8,677 vs 8,750 sqft)
    $691,820
  • 1031 Forest Ave, Oak Park, IL 60302
    2,025 sqft | $356/sqft | built 1936 | Similar size (2,025 vs 1,985 sqft); Similar age (1936 vs 1937); Similar lot size (8,300 vs 8,750 sqft)
    $720,000
  • 1007 Forest Ave, Oak Park, IL 60302
    2,018 sqft | $347/sqft | built 1936 | Similar size (2,018 vs 1,985 sqft); Similar age (1936 vs 1937); Similar lot size (8,300 vs 8,750 sqft)
    $700,000
  • 1234 Forest Ave, Oak Park, IL 60302
    1,982 sqft | $313/sqft | built 1931 | Similar size (1,982 vs 1,985 sqft); Similar lot size (8,350 vs 8,750 sqft); Same quality (Average)
    $620,000
  • 1135 N Marion St, Oak Park, IL 60302
    1,997 sqft | $330/sqft | built 1948 | Similar size (1,997 vs 1,985 sqft); Similar lot size (8,450 vs 8,750 sqft); Same quality (Average)
    $660,000

Recent comparable sales

No usable comparable sales are available in this data snapshot.

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 18.5% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$719,260+$112,390+18.5%
2025$606,870−$73,130−10.8%
2024$680,000$00.0%
2023$680,000+$189,580+38.7%
2022$490,420$00.0%
2021$490,420+$100.0%
2020$490,410——
6-year total+$228,850+46.7%