Cook County Value

1037 Belleforte Ave, Oak Park, IL 60302

5 bed / 5 bath, 3,736 sqft, built 1950, in Oak Park. Assessor market value for 2026: $815,170.

Cook County account 16061140160000

In line with similar homes

8 similar homes nearby support a value at or above your county value.

Assessor market value$815,170
Similar homes$1,155,731
No gap: similar homes are at or above the county value · bars start at $0

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

Assessor market value
$815,170
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,736 sqft
$218 per sqft
Year built
1950
Average quality

What we found

Similar homes' assessments

Weak

1 of 8 similar homes is assessed lower per square foot. Their similarity-weighted median is $309.35/sqft, which supports a value of $1,155,731.

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 changed from $420,240 in 2025 to $815,170 in 2026. A change this large often reflects new construction, a reclassification or a record correction, so check it against the county record.
  • Assessor market value per square footThe current public record shows about $218 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.

  • 1037 Belleforte Ave, Oak Park, IL 60302
    3,736 sqft | $210/sqft | built 1950 | Similar size (3,736 vs 3,736 sqft); Built same year (1950); Similar lot size (8,750 vs 8,750 sqft)
    $784,830
  • 1043 Woodbine Ave, Oak Park, IL 60302
    3,475 sqft | $309/sqft | built 1950 | 7% smaller (3,475 vs 3,736 sqft); Built same year (1950); Similar lot size (8,950 vs 8,750 sqft)
    $1,075,000
  • 1220 Fair Oaks Ave, Oak Park, IL 60302
    3,693 sqft | $263/sqft | built 1951 | Similar size (3,693 vs 3,736 sqft); Similar age (1951 vs 1950); Lot 16% smaller (7,350 vs 8,750 sqft)
    $970,000
  • 1107 N Marion St, Oak Park, IL 60302
    3,455 sqft | $295/sqft | built 1949 | 8% smaller (3,455 vs 3,736 sqft); Similar age (1949 vs 1950); Similar lot size (8,450 vs 8,750 sqft)
    $1,020,000
  • 1209 Woodbine Ave, Oak Park, IL 60302
    3,444 sqft | $314/sqft | built 1952 | 8% smaller (3,444 vs 3,736 sqft); Similar age (1952 vs 1950); Similar lot size (8,950 vs 8,750 sqft)
    $1,080,000

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 94.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$815,170+$394,930+94.0%
2025$420,240+$115,240+37.8%
2024$305,000$00.0%
2023$305,000+$43,470+16.6%
2022$261,530$00.0%
2021$261,530+$200.0%
2020$261,510——
6-year total+$553,660+211.7%