Cook County Value

3137 Elm Ave, Brookfield, IL 60513

2 bed / 1 bath, 1,267 sqft, built 1941, in Proviso. Assessor market value for 2026: $360,000.

Cook County account 15342010380000

Assessor market value
$360,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,267 sqft
$284 per sqft
Year built
1941
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 36.5% from $263,640 in 2025 to $360,000 in 2026.
  • Assessor market value per square footThe current public record shows about $284 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.

  • 3423 Prairie Ave, Brookfield, IL 60513
    1,331 sqft | $278/sqft | built 1941 | 5% larger (1,331 vs 1,267 sqft); Built same year (1941); Similar lot size (7,950 vs 7,938 sqft)
    $370,010
  • 3401 Prairie Ave, Brookfield, IL 60513
    1,229 sqft | $244/sqft | built 1953 | Similar size (1,229 vs 1,267 sqft); Similar lot size (7,969 vs 7,938 sqft); Same quality (Average)
    $300,010
  • 3324 Park Ave, Brookfield, IL 60513
    1,257 sqft | $302/sqft | built 1929 | Similar size (1,257 vs 1,267 sqft); Similar lot size (7,500 vs 7,938 sqft); Same quality (Average)
    $380,000
  • 3130 Park Ave, Brookfield, IL 60513
    1,288 sqft | $280/sqft | built 1940 | Similar size (1,288 vs 1,267 sqft); Similar age (1940 vs 1941); Lot 17% smaller (6,552 vs 7,938 sqft)
    $360,000
  • 3200 Oak Ave, Brookfield, IL 60513
    1,311 sqft | $282/sqft | built 1952 | Similar size (1,311 vs 1,267 sqft); Similar lot size (7,528 vs 7,938 sqft); Same quality (Average)
    $370,000

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: . Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 36.5% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$360,000+$96,360+36.5%
2025$263,640−$26,360−9.1%
2024$290,000$00.0%
2023$290,000+$32,140+12.5%
2022$257,860$00.0%
2021$257,860+$100.0%
2020$257,850——
6-year total+$102,150+39.6%