Cook County Value

4503 Oak Ave, Brookfield, IL 60513

3 bed / 1 bath, 1,104 sqft, built 1972, in Lyons. Assessor market value for 2026: $360,000.

Cook County account 18034160020000

Assessor market value
$360,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,104 sqft
$326 per sqft
Year built
1972
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 Lyons assessment pages.

Local guide: Lyons Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For Lyons, appeals to the Assessor closed . Board of Review dates for Lyons have not been published yet.

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 9.1% from $330,000 in 2025 to $360,000 in 2026.
  • Assessor market value per square footThe current public record shows about $326 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Lyons neighborhood and ZIP 60513.
  • Neighborhood value signalAmong 2,811 residential records in the same neighborhood, the average assessor market value is about $217 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +18.6% on average.

Comparable assessments

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

  • 4511 Oak Ave, Brookfield, IL 60513
    1,104 sqft | $326/sqft | built 1972 | Similar size (1,104 vs 1,104 sqft); Built same year (1972); Similar lot size (7,450 vs 7,450 sqft)
    $360,000
  • 4509 Oak Ave, Brookfield, IL 60513
    1,114 sqft | $314/sqft | built 1971 | Similar size (1,114 vs 1,104 sqft); Similar age (1971 vs 1972); Similar lot size (7,450 vs 7,450 sqft)
    $350,000
  • 9030 Shields Ave, Brookfield, IL 60513
    1,074 sqft | $335/sqft | built 1970 | Similar size (1,074 vs 1,104 sqft); Similar age (1970 vs 1972); Similar lot size (7,500 vs 7,450 sqft)
    $360,010
  • 9034 Shields Ave, Brookfield, IL 60513
    1,141 sqft | $316/sqft | built 1968 | Similar size (1,141 vs 1,104 sqft); Similar age (1968 vs 1972); Similar lot size (7,500 vs 7,450 sqft)
    $360,010
  • 4312 Elm Ave, Brookfield, IL 60513
    1,105 sqft | $335/sqft | built 1971 | Similar size (1,105 vs 1,104 sqft); Similar age (1971 vs 1972); Lot 10% smaller (6,700 vs 7,450 sqft)
    $370,010

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

Value history

Up 9.1% 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+$30,000+9.1%
2025$330,000$00.0%
2024$330,000$00.0%
2023$330,000+$85,010+34.7%
2022$244,990$00.0%
2021$244,990$00.0%
2020$244,990——
6-year total+$115,010+46.9%