Cook County Value

3243 Prairie Ave, Brookfield, IL 60513

4 bed / 1 bath, 1,494 sqft, built 1929, in Proviso. Assessor market value for 2026: $390,000.

Cook County account 15342130120000

Assessor market value
$390,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,494 sqft
$261 per sqft
Year built
1929
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 30.0% from $300,000 in 2025 to $390,000 in 2026.
  • Assessor market value per square footThe current public record shows about $261 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 757 residential records in the same neighborhood, the average assessor market value is about $277 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +33.3% on average.

Comparable assessments

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

  • 3319 Prairie Ave, Brookfield, IL 60513
    1,471 sqft | $279/sqft | built 1926 | Similar size (1,471 vs 1,494 sqft); Similar age (1926 vs 1929); Similar lot size (6,300 vs 6,300 sqft)
    $410,000
  • 3101 Oak Ave, Brookfield, IL 60513
    1,506 sqft | $252/sqft | built 1923 | Similar size (1,506 vs 1,494 sqft); Lot 10% smaller (5,656 vs 6,300 sqft); Same quality (Average)
    $380,000
  • 3442 Oak Ave, Brookfield, IL 60513
    1,514 sqft | $244/sqft | built 1938 | Similar size (1,514 vs 1,494 sqft); Similar lot size (6,093 vs 6,300 sqft); Same quality (Average)
    $370,000
  • 3434 Oak Ave, Brookfield, IL 60513
    1,511 sqft | $265/sqft | built 1928 | Similar size (1,511 vs 1,494 sqft); Similar age (1928 vs 1929); Lot 19% larger (7,500 vs 6,300 sqft)
    $400,000
  • 3115 Oak Ave, Brookfield, IL 60513
    1,447 sqft | $221/sqft | built 1921 | Similar size (1,447 vs 1,494 sqft); Lot 10% smaller (5,670 vs 6,300 sqft); Same quality (Average)
    $320,010

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 30.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$390,000+$90,000+30.0%
2025$300,000$00.0%
2024$300,000$00.0%
2023$300,000+$60,740+25.4%
2022$239,260$00.0%
2021$239,260+$100.0%
2020$239,250——
6-year total+$150,750+63.0%