Cook County Value

1047 Forest Ave, Oak Park, IL 60302

4 bed / 2 bath, 2,612 sqft, built 1934, in Oak Park. Assessor market value for 2026: $840,970.

Cook County account 16061150130000

Assessor market value
$840,970
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,612 sqft
$322 per sqft
Year built
1934
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 13.2% from $742,630 in 2025 to $840,970 in 2026.
  • Assessor market value per square footThe current public record shows about $322 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

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

  • 1227 Belleforte Ave, Oak Park, IL 60302
    2,620 sqft | $328/sqft | built 1935 | Similar size (2,620 vs 2,612 sqft); Similar age (1935 vs 1934); Similar lot size (8,350 vs 8,771 sqft)
    $860,000
  • 1034 Belleforte Ave, Oak Park, IL 60302
    2,604 sqft | $334/sqft | built 1937 | Similar size (2,604 vs 2,612 sqft); Similar age (1937 vs 1934); Similar lot size (8,300 vs 8,771 sqft)
    $870,000
  • 1010 Forest Ave, Oak Park, IL 60302
    2,586 sqft | $329/sqft | built 1931 | Similar size (2,586 vs 2,612 sqft); Similar age (1931 vs 1934); Similar lot size (8,300 vs 8,771 sqft)
    $850,000
  • 1026 Forest Ave, Oak Park, IL 60302
    2,581 sqft | $322/sqft | built 1929 | Similar size (2,581 vs 2,612 sqft); Similar age (1929 vs 1934); Similar lot size (8,300 vs 8,771 sqft)
    $830,000
  • 1011 Forest Ave, Oak Park, IL 60302
    2,675 sqft | $321/sqft | built 1937 | Similar size (2,675 vs 2,612 sqft); Similar age (1937 vs 1934); Similar lot size (8,300 vs 8,771 sqft)
    $858,280

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 13.2% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$840,970+$98,340+13.2%
2025$742,630−$77,370−9.4%
2024$820,000$00.0%
2023$820,000+$223,550+37.5%
2022$596,450$00.0%
2021$596,450+$100.0%
2020$596,440——
6-year total+$244,530+41.0%