Cook County Value

3004 Forest Ave, Brookfield, IL 60513

3 bed / 1 bath, 1,219 sqft, built 1959, in Proviso. Assessor market value for 2026: $390,010.

Cook County account 15274230250000

Assessor market value
$390,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,219 sqft
$320 per sqft
Year built
1959
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 60513 and Proviso assessment pages.

Local guide: Proviso Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For Proviso, appeals to the Assessor are open through (8 days left).

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 30.2% from $299,600 in 2025 to $390,010 in 2026.
  • Assessor market value per square footThe current public record shows about $320 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Proviso neighborhood and ZIP 60513.
  • Neighborhood value signalAmong 560 residential records in the same neighborhood, the average assessor market value is about $229 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +30.7% on average.

Comparable assessments

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

  • 3034 Vernon Ave, Brookfield, IL 60513
    1,215 sqft | $288/sqft | built 1960 | Similar size (1,215 vs 1,219 sqft); Similar age (1960 vs 1959); Similar lot size (6,291 vs 6,300 sqft)
    $350,000
  • 9029 Roach Ave, Brookfield, IL 60513
    1,208 sqft | $290/sqft | built 1958 | Similar size (1,208 vs 1,219 sqft); Similar age (1958 vs 1959); Similar lot size (6,257 vs 6,300 sqft)
    $350,000
  • 2900 Sunnyside Ave, Brookfield, IL 60513
    1,208 sqft | $298/sqft | built 1956 | Similar size (1,208 vs 1,219 sqft); Similar age (1956 vs 1959); Similar lot size (6,315 vs 6,300 sqft)
    $360,000
  • 9104 30th St, Brookfield, IL 60513
    1,242 sqft | $282/sqft | built 1958 | Similar size (1,242 vs 1,219 sqft); Similar age (1958 vs 1959); Similar lot size (6,265 vs 6,300 sqft)
    $350,000
  • 3044 Forest Ave, Brookfield, IL 60513
    1,219 sqft | $287/sqft | built 1964 | Similar size (1,219 vs 1,219 sqft); Similar age (1964 vs 1959); Similar lot size (6,300 vs 6,300 sqft)
    $350,010

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: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 30.2% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$390,010+$90,410+30.2%
2025$299,600$00.0%
2024$299,600−$20,400−6.4%
2023$320,000+$43,680+15.8%
2022$276,320$00.0%
2021$276,320——
5-year total+$113,690+41.1%